b***i
发帖数: 3043 | 1 start=System.currentTimeMillis();
while (total+200
Thread.sleep(200);
Program.UpdateOutput();
System.out.println("waited " + total);
if ((pgm.demo && GUIWindow.demo2End) ||
(GUIWindow.emergency && ! pgm.demo))
break;
total = System.currentTimeMillis()-start;
这样的代码有问题否？
会不会total变成负数？比如start = 一个很大的数，然后System.currentTimeMillis(
)的新值变刚过0？ |
|
w****g
发帖数: 597 | 2 http://www.linux-mag.com/cache/7345/1.html
NILFS: A File System to Make SSDs Scream
The 2.6.30 kernel is chock full of next-gen file systems. One such example
is NILFS, a new log-structured file system that dramatically improves write
performance.
Jeffrey B. Layton
Tuesday, June 2nd, 2009
It’s difficult to write storage articles at this time and not focus on the
upcoming 2.6.30 kernel. Why? This kernel is loaded with a number of new file
systems — some of which we’ve already covered, like ext4 a |
|
c****e
发帖数: 9482 | 3 【 以下文字转载自 JobHunting 讨论区 】
发信人: cattie (九月), 信区: JobHunting
标 题: 公司的opening - system SQA
发信站: BBS 未名空间站 (Wed Oct 16 14:31:48 2013, 美东)
最好是有unix/linux administrator的经验 :)
quick summary of key requirements:
- Unix/Linux cluster
- Scripting
- Database
- Test automation
具体如下：
Job Title: Senior System SQA
Job Description:
We are looking for a highly talented individual to join our software quality
assurance team. In this position, you will be responsible for designing,
creating, and exe... 阅读全帖 |
|
n*w
发帖数: 3393 | 4 这个贴本来几天前就要发，当时看到有几个真正对程序语言principal有了解的人发了
不少贴。结果来了几个大坑。为了避嫌推迟到现在。
一直都scala的higher-kind type很好奇。scala是我知道两个支持higher kind type的
语言之一。另一个是haskell。有人要求microsoft在f#中加入，ms给出的答复是不会加
，因为要大改clr。
但jvm连first order都不支持。java的generic编译后要做type erasure。只是个
compiler trick。觉得scala的higher kind type要么同样也只是compile-time
checking，要么在jvm上加了东西？
找到这一段“Scala runs on the JVM, which implements a very poor type system
on its own (much poorer than the CLR). It doesn’t support type parameters
of any kind, let alone type const... 阅读全帖 |
|
n*w
发帖数: 3393 | 5 这个贴本来几天前就要发，当时看到有几个真正对程序语言principal有了解的人发了
不少贴。结果来了几个大坑。为了避嫌推迟到现在。
一直都scala的higher-kind type很好奇。scala是我知道两个支持higher kind type的
语言之一。另一个是haskell。有人要求microsoft在f#中加入，ms给出的答复是不会加
，因为要大改clr。
但jvm连first order都不支持。java的generic编译后要做type erasure。只是个
compiler trick。觉得scala的higher kind type要么同样也只是compile-time
checking，要么在jvm上加了东西？
找到这一段“Scala runs on the JVM, which implements a very poor type system
on its own (much poorer than the CLR). It doesn’t support type parameters
of any kind, let alone type const... 阅读全帖 |
|
w*s
发帖数: 7227 | 6 This is what i suspect, python os.system( ) doesn't come back sometimes.
i have loop.py, it's very simple
for x in range(0, 10000):
rc = os.system("my_other_script.py")
time.sleep(10)
os.system("linux_cmd_to_turn_off_my_other_script")
Coming back from weekend, i don't see outputs from my_other_script.
When i manually run "linux_cmd_to_turn_off_my_other_script",
my_other_script seems alive again.
so i was thinking what happens if this line never come back ?
rc = os.system("my_othe... 阅读全帖 |
|
m*****k
发帖数: 17 | 7 From http://madodin.gh0st.net/
Version 1.0.1
Finding a way to secure operating systems today is a complicated and donating
task to say the least. This document will probably not help much with the problem of
securing a OS, but instead, will find new ways to detect security compromises. Yes this
article is depicting a theory for a new Operating system for Intrusion Detection. This is
not an intrusion detection system (IDS) in it's self, but instead a operating system made
specifically for IDS bas |
|
O***C
发帖数: 1219 | 8 I recently always found a "IP address conflict" hint of my computer.
Whether this means someone else want to break into my computer system?
I share the internet connection with several renters and the owner family in
a big family house.
The internet connection hub is in the owner's room.
I use windows XP SP3 system and use the firewell of the windows XP system, I
don't have an anti-virus softwave.
Is there any free or very cheap anti-virus softwave can pretect my computer
system from break-in?
T |
|
发帖数: 1 | 9 Hiring：C++ Developer - Akuna Capital- HFT Trading system development
Location: Chicago
Website: www.akunacapital.com
About Akuna:
Akuna Capital is a fast-growing derivatives trading firm located in downtown
Chicago that specializes in market-making and arbitrage. Founded in 2011,
Akuna has quickly expanded from a start-up to a successful leader on US
options exchanges and has already begun international expansion. We’ve
grown significantly from humble but determined beginnings and still proudly... 阅读全帖 |
|
f****n
发帖数: 4615 | 10 Thanks a lot!
I cannot make out this sentence: "Any file systems subsequently mounted in the
original file system also appear in the LOFS. However subsequent file systems
mounted in the LOFS do not appear in the original file system". Now your
explanation IS really helpful for understanding this.
Thanks |
|
c****e
发帖数: 9482 | 11 【 以下文字转载自 JobHunting 讨论区 】
发信人: cattie (九月), 信区: JobHunting
标 题: 公司的opening - system SQA
发信站: BBS 未名空间站 (Wed Oct 16 14:31:48 2013, 美东)
最好是有unix/linux administrator的经验 :)
quick summary of key requirements:
- Unix/Linux cluster
- Scripting
- Database
- Test automation
具体如下：
Job Title: Senior System SQA
Job Description:
We are looking for a highly talented individual to join our software quality
assurance team. In this position, you will be responsible for designing,
creating, and exe... 阅读全帖 |
|
c****e
发帖数: 9482 | 12 【 以下文字转载自 JobHunting 讨论区 】
发信人: cattie (九月), 信区: JobHunting
标 题: 公司的opening - system SQA
发信站: BBS 未名空间站 (Wed Oct 16 14:31:48 2013, 美东)
最好是有unix/linux administrator的经验 :)
quick summary of key requirements:
- Unix/Linux cluster
- Scripting
- Database
- Test automation
具体如下：
Job Title: Senior System SQA
Job Description:
We are looking for a highly talented individual to join our software quality
assurance team. In this position, you will be responsible for designing,
creating, and exe... 阅读全帖 |
|
w*****s
发帖数: 122 | 13 10月25日
System 1软件公司同意为商业器材金融业定制和推广特定的BizTalk Schema。
System 1软件有限公司是商业器材金融业中电子商务和投资者方案设置的领先企业。今
天它宣布它已设计和推广了一个基于微软BizTalk Framework的商业器材金融业专用
schema。
除此之外，System 1软件有限公司也加入到了微软BizTalk服务器beta版的设计编程中来
了。这是为了使得BizTalk服务器和schema能完美地和System 1的产品兼容。 |
|
r****r
发帖数: 379 | 14 挺喜欢骆的东西, his new cell paper
－－－－－－－－－
* Highlights
* The Q system offers repressible binary gene expression in flies and
mammalian cells
* Q-MARCM enables mosaic cell labeling and genetic manipulation
independently of GAL4
* Coupled MARCM independently labels and manipulates both progeny of a
cell division
* Intersecting Q and GAL4 systems refines transgene expression for
functional analyses
We describe a new repressible binary expression system based on the
regulatory genes f |
|
R****n
发帖数: 708 | 15 我用过这五种
CFX96 system,
Opticon2 system (Bio-rad),
7300 fast system,
Step one plus system (ABI)
Lightcycler II 480 (Roche).
我觉得如果不是做HRM，其实都差不多。不过我们组里都觉得Biorad CFX96比较user
friendly,但是出来的最晚。roche是用idaho的技术，资格比较老。ABI硬件很好，软件
很不好用。Rotorgene似乎温度控制的最好，不过没用的。能做HRM大概都是四五万块钱
.刚买没多久，还不知道售后怎么样。
http://hrm.gene-quantification.info/
Eppendorf, |
|
d*****r
发帖数: 2583 | 16 The system of PhD education in the United States and many other countries is
broken and unsustainable, and needs to be reconceived. In many fields, it
creates only a cruel fantasy of future employment that promotes the self-
interest of faculty members at the expense of students. The reality is that
there are very few jobs for people who might have spent up to 12 years on
their degrees.
Most doctoral-education programmes conform to a model defined in European
universities during the Middle Ages,... 阅读全帖 |
|
r*******y
发帖数: 48 | 17 if the deletion of the gene of your interest is embryonically lethal, and
there is no significant difference in the expression pattern of this gene in
various tissues/organs, then you need to know:
1. what was the major cause of embrynic death once this gene was deleted
globally? most of genes, although ubiquitously expressed, have more
important roles in the development/function of some organ(s) than others.
depending on the developental stage when the null embryos died, most
possible cause of ... 阅读全帖 |
|
l**********1
发帖数: 5204 | 18 RE LZ
GE Typhoon 9400 Multiplex Fluorescence Imaging Systems
HTTP: //www.biocompare.com/12406-Fluorescent-Western-Blot-Imaging-Systems-
Multiplex/471836-Typhoon-9400/
or
HttP: //www.biocompare.com/12406-Fluorescent-Western-Blot-Imaging-Systems-
Multiplex/3070068-Typhoon-Variable-Mode-Imagers/?ppim=3070068_6&ncatid=12406
more vendor:
HTTP: //www.biocompare.com/Bio-Imaging-Microscopy/12406-Fluorescent-Western-
Blot-Imaging-Systems-Multiplex/ |
|
l******u
发帖数: 936 | 19 http://investor.illumina.com/phoenix.zhtml?c=121127&p=irol-news
Illumina’s MiSeqDxTM Receives FDA Premarket Clearance with Two Cystic
Fibrosis Assays and Universal Kit for Open Use
Premarket Clearance is an Industry First for a Next-Generation Sequencing
System
SAN DIEGO--(BUSINESS WIRE)--Nov. 19, 2013-- Illumina, Inc. (NASDAQ:ILMN)
today announced that it received premarket clearance from the U.S. Food and
Drug Administration (FDA) for the MiSeqDx system, the first high-throughput
DNA sequencin... 阅读全帖 |
|
y***k
发帖数: 40 | 20 终于有人忍不住下手了，可是到哪里找业务去喂饱这个巨兽呢
=================================================
SAN DIEGO & SHANGHAI--(BUSINESS WIRE)--Mar. 10, 2014-- Illumina, Inc. (
NASDAQ:ILMN) and WuXi PharmaTech (Cayman) Inc. (NYSE:WX), a leading
pharmaceutical, biotechnology, and medical device R&D outsourcing company
with operations in China and the United States, today announced that the
WuXi Genome Center has purchased an Illumina HiSeq X Ten sequencing system.
This new investment will enable WuXi’s clinical genomic ser... 阅读全帖 |
|
发帖数: 1 | 21 Mol system bio圈外人知道的少。不如投nature communications啊，综合性的，影响
因子不会掉，知道这个期刊的人也多
cell systems不会超过genome research
：system biology的杂志还有mol system bio,也是十几分.
：还是祝贺楼主的工作，能投上10分的都不容易，cell press的刊物都挺折腾人的。 |
|
f*****y
发帖数: 42 | 22 Senior Linux System Engineer- Accountable for ensuring that our production
systems are reliable and perform well. A successful System Engineer will
have extensive Linux experience with the ability to troubleshoot, write
scripts for automated programs and manage our production systems
independently and efficiently, handling more than 200 servers. |
|
g***i
发帖数: 50 | 23 AREA: System Technology
Premium:
IEEE Trans on Communications
Jnl of Parallel and Distributed Computing
ACM Trans on Computer Systems
IEEE/ACM Trans on Networking
ACM Trans on Information Systems
IEEE Trans on Parallel and Distributed Systems
Distributed Computing
IEEE Jnl on Selected Areas in Communication
International Journal of Parallel Programming
Computer Networks (Previously "& ISDN Netwo |
|
t******0
发帖数: 629 | 24 查了一些大学的EE,ECE,CS的网页，发现real time , embedded system的字样是挺多的
，很多教授喜欢把 embedded system 写进自己的research interest里面，结果你一看
他的具体研究，可能和embedded system八竿子打不着！
比较搞笑的是，有一个搞模拟天线的教授也把embedded写进自己profile里了，结果他
的研究项目除了模拟电路，就是电磁波。。。
Embedded system 到底是个什么方向呢？
我的CS的朋友认为“嵌入式，那不是底层硬件的领域吗？”
我的EE的朋友认为“纯编程的，链表你都不会用，还敢说要搞嵌入式？！”
弄的我一头雾水，嵌入式到底是一个什么样的方向啊。。。。。。 |
|
P**********c
发帖数: 3417 | 25 Embedded systems is indeed a niche area. In school many professors are
putting it on resume but they don't solely do that. In industry, from my
understanding, embedded system engineers program the hardware(DSP/MCU) to
implement the specific algorithm for the particular function of the hardware
. Compared to CPUs, embedded systems are usually designed to realize some
specific functions.
To do such programming well, you need understand the general architecture of
the chip, especially I/O, such as ... 阅读全帖 |
|
P**********c
发帖数: 3417 | 26 VLSI has much more positions in my opinion. For example, designing the DSP/MCU used in embedded systems is an IC job. But in US, people rarely do their PhD in embedded systems, so this area is pretty good too if you have the right skills. Being in a niche area, you have a chance to get highly paid in embedded systems, but you also have a chance to find it difficult to land a job if the market is bad. VLSI is more general, and has a larger market.
And you are right, I don't think doing embedded... 阅读全帖 |
|
P**********c
发帖数: 3417 | 27 Actually what I am saying is, the embedded system is bundled to the hardware/chip, meaning sales of that piece of application is the same as sales of the hardware. It is not like in software, after the software is sold, there is still lots of revenue generated in frequent updates, support and even advertisements.
I am not saying designing the chip in DSP/MCU is embedded system position. It is IC position. But sales volume of those DSP/MCU are roughly the same as sales volume of the embedded syst... 阅读全帖 |
|
p***e
发帖数: 472 | 28 It depends on your background. If you already have a solid background in
algorithms, I would say system might be better since you'll have an
opportunity to understand the entire product/system. Otherwise, you may
want to accumulate some detailed experience first. Nonetheless, system
bases on details. You will work well on system level only after you well
understand the details. |
|
p***e
发帖数: 472 | 29 It depends on your background. If you already have a solid background in
algorithms, I would say system might be better since you'll have an
opportunity to understand the entire product/system. Otherwise, you may
want to accumulate some detailed experience first. Nonetheless, system
bases on details. You will work well on system level only after you well
understand the details. |
|
f********n
发帖数: 164 | 30 【 以下文字转载自 JobHunting 讨论区 】
发信人: freedragon (freedragon), 信区: JobHunting
标 题: Summer intern needed for LTE-A system level simulation
发信站: BBS 未名空间站 (Mon Mar 5 16:07:18 2012, 美东)
NEC Labs Princeton is seeking a summer intern for LTE-A system level
simulation
The intern is initially a 6-month (can be further extended) position to
perform LTE-A system level simulation on COMP, MU-MIMO, HetNet etc.
Requirements:
1) strong Matlab and C/C++ coding skill.
2) good wireless communication background on ... 阅读全帖 |
|
a******9
发帖数: 54 | 31 虽是intern，但也有转permanent的可能。
有兴趣者可站内联系内推，或 发简历至
j**[email protected]
The Opportunity:
Silvus Technologies Inc. is an industry leader in wireless MIMO
technology. It is seeking a Wireless Communication Systems Summer Intern to
participate in algorithm design and architecture definition for an exciting
research project on Mobile Ad Hoc Network (MANET).
Job Location:
The intern will work in Silvus’ San Diego or Los Angles office.
Technical Responsibilities:
• Algorithm design for ... 阅读全帖 |
|
a******9
发帖数: 54 | 32 Job opportunity for:
Wireless Communication Systems Intern
Silvus Technologies, Inc.
10990 Wilshire Blvd., #1500,
Los Angeles, CA – 90024
The Opportunity:
Silvus Technologies Inc. is an industry leader in wireless MIMO
technology. It is seeking a Wireless Systems Intern to participate in signal
processing algorithm development for both commercial and military wireless
applications.
Job Location:
The intern will work in Silvus’ San Diego office (16835 W Bernardo Dr. San
Diego, CA 92127)
Techn... 阅读全帖 |
|
l****g
发帖数: 2 | 33 我们公司(pre-IPO)正在招Senior System Engineer。据说想要会讲中文的。感兴趣的
请将简历站内发给我。职位在Dallas。
--------------------------------------------------
Primary and Major Responsibilities:
Work with customers, marketing and sales teams to define high performance
analog DC/DC power management products including product architect, specs,
system and product competition analysis
Lead teams to develop and release highly valued DC/DC products to the market
on time under budget
Generate datasheets, application notes, promotion m... 阅读全帖 |
|
s*******f
发帖数: 1114 | 34 Trading Systems Engineer的职位是很CS的吧？随便贴个，没怎么提金融知识的。
indeed一艘，
http://www.indeed.com/jobs?q=trading+system&l=
职位还慢多的。 不知该职位的发展是咋样的。谢谢。
Experience in creating/supporting cross-platform multithreaded applications
Strong Computer programming skills using C++ in a Windows and Linux
environment
Experience in object-oriented design
Experience with Multithreaded programming
Strong analytical and problem solving skills
Strong understanding of computer systems e.g. operating systems, networks,
performance o... 阅读全帖 |
|
发帖数: 1 | 35 Hiring：C++ Developer - Akuna Capital- HFT Trading system development
Location: Chicago
Website: www.akunacapital.com
About Akuna:
Akuna Capital is a fast-growing derivatives trading firm located in downtown
Chicago that specializes in market-making and arbitrage. Founded in 2011,
Akuna has quickly expanded from a start-up to a successful leader on US
options exchanges and has already begun international expansion. We’ve
grown significantly from humble but determined beginnings and still proudly... 阅读全帖 |
|
s*******w
发帖数: 1879 | 36 不要随便回答，这个是个坑，在你不知道对方的政治立场的时候千万不要乱回答。
你可以说这两者是完全不一样的system，而且中国的system现在还在改，以前是如何的
现在是如何的，然后最后你可以开玩笑的说两句中国的generic drug挺便宜的，比美国
的generic便宜。
千万别认真回答12345，要是本来就是一个来者不善的，人家下一句立马就说，那你为
啥不回去学或者回去开业？你不就死翘了。。。然后你再转头说那美国也不差啊。。。
咱以为咱还特别sophisticated，人只会觉得这人拎不清，how much do you think you
know about US system? then how much do you think you know Chinese system
then? Such a snob。
这样就完蛋了。 |
|
l*********2
发帖数: 3 | 37 As suggested by a few friends here, it would be really useful to compile a
list of interesting neuroscience questions rather than arguing which one is
the most important. We can then elaborate on each specific problem, perhaps
once a week, so that people from different backgrounds could benefit from
the discussion.
Like others, I feel Terry's book entitled 23 questions in systems
neuroscience is a good starting point (of course, we can add more to the
list). To start, I am quite interested in t... 阅读全帖 |
|
C******g
发帖数: 2930 | 38 This is an optional update, and it enables existing PS3 owners who purchase
a new PS3 system (perhaps as a second unit for the household) to transfer
their content from their current PS3 to the new system. Content such as
games, game save data, and videos downloaded from PlayStation Network can be
transferred to the new PS3 system and deleted from the current PS3 system.
Other content, including personal media files (photos, music, videos), can
be copied onto the new PS3 and remain on the curren |
|
w*******y
发帖数: 60932 | 39 I just ordered this from Amazon:
Samsung UN55C6800 55-Inch 1080p 120 Hz LED HDTV (currently) for $2049.98
Samsung HT-C5500 Blu-ray Home Theater System (normally $320) FREE
Samsung WIS09ABGN LinkStick Wireless LAN Adapter (normally $61) FREE
FREE SHIPPING!
You won't find this promotion on the item's webpage. You have to add all
three (3) to you cart to see the discounts applied. Here's the small print:
Free Samsung Blu-ray Home Theater System and Wireless LAN Adapter with
Qualifying Samsung Purch... 阅读全帖 |
|
|
w*******y
发帖数: 60932 | 41 This system is a like-new refurb sold directly from Onkyo's official online
store. I've purchased a refurbished receiver from them in the past and it
was in perfect condition. I posted a deal for this system from Newegg.com
yesterday and it sold out. So for those who missed it, this is definitely a
viable (and maybe better) option.
For a NIB product, the price has never been below $269.99 from what I'm
finding during a quick search. Next lowest is $298 on Google Products from
a reputable sel... 阅读全帖 |
|
|
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w*******y
发帖数: 60932 | 44 The Panasonic SC-HTB10 2.1-Channel Slim Sound Bar System with 3D Pass
Through lets you easily pass 3D audio and video signals through your home
theater system. The advanced bamboo cone speaker lets you enjoy detailed,
clear vocals in your music and movies. Enjoy rich, low bass with the
integrated subwoofer.
Panasonic SC-HTB10 2.1-Channel Slim Sound Bar System with 3D Pass Through:
* Total Power: 120W
* 2.1-channel sound system
* Full HD 3D compatible
* 1080p playback with x.v.Col... 阅读全帖 |
|
w*******y
发帖数: 60932 | 45 Just got an email from Gamestop for $50 Extra Credit Trade-in for those
systems, $25 Trade-in Credit for portable systems.
"
Extra $50 in-store credit
Between now and Sunday, March 6, swipe your
PowerUp Rewards card to get an extra $50 in-store credit on any Xbox 360
PS3 or
Wii system traded!
Or score an extra $25 in-store credit on any DS, PSP or PS2 system traded -
a PowerUp Rewards exclusive!
*Offer not good on cash trades. Trades must be in full working condition to
receive full value. Hardw... 阅读全帖 |
|
|
|
w*******y
发帖数: 60932 | 48 The Panasonic SC-HTB10 2.1-Channel Slim Sound Bar System with 3D Pass
Through lets you easily pass 3D audio and video signals through your home
theater system. The advanced bamboo cone speaker lets you enjoy detailed,
clear vocals in your music and movies. Enjoy rich, low bass with the
integrated subwoofer.
Panasonic SC-HTB10 2.1-Channel Slim Sound Bar System with 3D Pass Through:
* Total Power: 120W
* 2.1-channel sound system
* Full HD 3D compatible
* 1080p playback with x.v.Col... 阅读全帖 |
|
|
w*******y
发帖数: 60932 | 50 Link:
http://www.vanns.com/shop/servlet/item/features/544012176/jamo-
Jamo
S-606-HCS-3 5.0 speaker system
S606HCS3 (Dark Apple)
Powerful sound at an affordable price
Every aspect of a speaker's designfrom driver materials to crossover
circuitrypl ays a critical role in the speaker's ultimate level of
performance. One component that often goes overlooked, and yet makes a
significant contribution to a speaker's audio reproduction, is the cabinet
in which the driver is housed. Chances are, you're ... 阅读全帖 |
|
