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全部话题 - 话题: efficent
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x***m
发帖数: 1733
1
然后猛按四五次+.
this is also an impressive part. government software seems also has low
performance efficency. hehe
b******y
发帖数: 9224
2
来自主题: Seattle版 - 怎样用暖气省钱
用energy efficent的
w*****t
发帖数: 80
3
来自主题: Seattle版 - 怎样用暖气省钱
你是说energy efficent的门和窗?还是一种energy plan?
r*****g
发帖数: 9999
4
如果是high efficency furnace的话,看看是不是冷凝水管的drain trap堵了,以前我
家的furnace在最冷的几天就是每次启动几分钟就停了,找外面的来修上一次门先收一
百,告诉我说那个trap堵了需要换,就一个塑料三通,结果连工带料要收我300多,我
觉得不靠谱,如果是堵了的话为什么平时没事,单在最冷的几天出毛病?于是就自己搞
,发现那个trap并没有堵,只是因为太冷了排水管在屋外的一段冻上了,跑到
homedepot 18刀买了个防止管子被冻的电热丝贴在管子上就解决问题了,否则白交300
多还不能解决问题。
r*****g
发帖数: 9999
5
如果是high efficency furnace的话,看看是不是冷凝水管的drain trap堵了,以前我
家的furnace在最冷的几天就是每次启动几分钟就停了,找外面的来修上一次门先收一
百,告诉我说那个trap堵了需要换,就一个塑料三通,结果连工带料要收我300多,我
觉得不靠谱,如果是堵了的话为什么平时没事,单在最冷的几天出毛病?于是就自己搞
,发现那个trap并没有堵,只是因为太冷了排水管在屋外的一段冻上了,跑到
homedepot 18刀买了个防止管子被冻的电热丝贴在管子上就解决问题了,否则白交300
多还不能解决问题。
l********e
发帖数: 636
6
我一个朋友要到jonh hopkins 学finace,他有车但是上课的地方在downtown, parking
太贵了,所以想做校车。这样的话, 应该jhu homewood附近比较合适,他想租studio,
efficency or one bedroom, the budget is below $800。在jhu cssa 上有大约30家
apartment, 熟悉这附近的朋友能不能给推荐几个好的呀。 30多个看下来太累了。除了
homewood 这边, 还有那个区方便呀? 谢谢!
i*********r
发帖数: 5101
7
来自主题: Basketball版 - 林书豪新赛季猜想
我很悲观,林的数据会进一步下降,但efficency可能会比上赛季高。
o********e
发帖数: 2218
8
来自主题: Billiards版 - San Diego Classic见到潘小婷
一般说话能对付吧,长的采访有个翻译更efficent一点。。。。
语言这东西,稍微多花点时间,多来这边一点时间,就都可以了。
G***G
发帖数: 16778
9
来自主题: Fishing版 - thread, core, processor
you thought in the same way as I.
But an American professor bet me with 6 pack of beers on this,
multi-threading won't increase any efficency for one core one processor
computer.
He works for high performance computer center for nearly 20 years.
And many professors buy his theory.

with
mouse
m**k
发帖数: 18660
10
首先我很同意dai同学提出跑步对减肥的一些不利因素
1) 跑步容易伤害
2) 跑步习惯以后,消耗越少。
3) 饮食对减肥非常关键, 很多人干跑步可能难减
但是我觉得跑步还是对减肥非常有益的运动
1) 跑步和其他有氧运动和其他运动有所不同
跑步对好多人开始来说。非常困难。觉得到身体极限。
但是很快身体心肺可是适应。这个对beginner是非常增加自信的
发现自己可以跑,可以跑长。甚至可以跑快。
另外跑步想对最容易进行。不用什么设备。不同什么partner. all seasons.
当然我说的跑步是outdoor, treadmill is quite different.
另外跑步有自己的community. 有很多races. 非常鼓励.
2) 胖人跑步受伤的问题。中国人跑步受伤的问题
这个是见仁见智,我觉得一些伤害犹如小孩子走路摔跤。尽量避免。
但是不能说就不学走路了.hehe
3) 跑步适应性问题。
跑多了。当然变更efficent. so burn less.
但是同时也提高fat burn的能力。
另外要烧更
ET
发帖数: 10701
11
来自主题: Golf版 - do the math (挖坑)
ask if they have some cards something better than this.
the point is the pratice efficency is much more important than how many
balls you hit each time.
for me, 50 balls are enough for one session, even 150 balls sound better.
T*********e
发帖数: 39815
12
来自主题: Outdoors版 - Whitney
East face/East buttress share the same approach with mountaineer's route. Us
ually, people camp at iceberg lake and climb the last 2k ft on summit day, a
nd descend from mountaineer's route.
I am looking for partners to climb East face/east buttress. For safety purpo
se, I hope to form a team of 4 climbers(two pairs), every one in the team:
1) Can lead 5.7 trad confidently (unless you only want to be follower)
2) Has multi-pitch climb experience and can climb (follow) efficently and sa
fely.
3)
m**k
发帖数: 18660
13
【 以下文字转载自 Fitness 讨论区 】
发信人: mark (花生,微爷远爷的爸爸), 信区: Fitness
标 题: 跑步真的不减肥么? - 和dai同学商榷
发信站: BBS 未名空间站 (Thu Sep 20 09:38:32 2007), 转信
首先我很同意dai同学提出跑步对减肥的一些不利因素
1) 跑步容易伤害
2) 跑步习惯以后,消耗越少。
3) 饮食对减肥非常关键, 很多人干跑步可能难减
但是我觉得跑步还是对减肥非常有益的运动
1) 跑步和其他有氧运动和其他运动有所不同
跑步对好多人开始来说。非常困难。觉得到身体极限。
但是很快身体心肺可是适应。这个对beginner是非常增加自信的
发现自己可以跑,可以跑长。甚至可以跑快。
另外跑步想对最容易进行。不用什么设备。不同什么partner. all seasons.
当然我说的跑步是outdoor, treadmill is quite different.
另外跑步有自己的community. 有很多races. 非常鼓励.
2) 胖人跑步受伤的问题。中国人跑步受伤的问题... 阅读全帖
b***i
发帖数: 10018
14
来自主题: Running版 - Runabout
your Low HR training is a good way to train ultra, because ultra is about
fuel efficency (and running economy).
m**k
发帖数: 18660
15
来自主题: Running版 - long run in peak week, 4 weeks to CIM
最efficent.
d*****n
发帖数: 1875
16
我的理解是:
1. 一名男 runner, 如果100米跑不进13秒, 那么他的run 的efficency, 是有问题的。
2. 如果让我挑选任何距离的runner, 我会挑100米跑的快的, 因为可能会事半功倍。
想请问你 只跑1 mile 用多久? 我还真不知道自己的 1 mile 的时间。
d*****n
发帖数: 1875
17
我的理解是:
1. 一名男 runner, 如果100米跑不进13秒, 那么他的run 的efficency, 是有问题的。
2. 如果让我挑选任何距离的runner, 我会挑100米跑的快的, 因为可能会事半功倍。
想请问你 只跑1 mile 用多久? 我还真不知道自己的 1 mile 的时间。
m**k
发帖数: 18660
18
来自主题: Running版 - 问一个初级问题
不会更瘦。如果合适的饮食和适当的运动量。
而且要知道你身体会更加efficent about running. 你消耗的也比开始的时候少。
y**********u
发帖数: 6366
19
来自主题: Running版 - 今天试穿cumulus
我才是不efficent,特别是摆臂,往两边摆,本地认识的人就说,老远就看到是你在跑
步了
m**k
发帖数: 18660
20
来自主题: Running版 - 好吧,来跑版问个问题
longrun对于耐力和running efficency很重要。保持longrun就容易很多准备比赛
m**k
发帖数: 18660
21
来自主题: Running版 - 好吧,来跑版问个问题
longrun对于耐力和running efficency很重要。保持longrun就容易很多准备比赛
d*****n
发帖数: 1875
22
来自主题: Swimming版 - 我也来写游泳日记,周末版
可以请个 private coach,帮助水下efficent swim, 主要是arm catch 和 hip rotate
, 还有他们之间的配合。
不过如果只游较短的距离, 或者也不参加比赛要求游的快, 自己多游也可以提高
efficiency 的, 就不必请教练了。当然请教练或者和team一起游, 会提高的快些。
d*****n
发帖数: 1875
23
来自主题: Swimming版 - 我也来写游泳日记,周末版
可以请个 private coach,帮助水下efficent swim, 主要是arm catch 和 hip rotate
, 还有他们之间的配合。
不过如果只游较短的距离, 或者也不参加比赛要求游的快, 自己多游也可以提高
efficiency 的, 就不必请教练了。当然请教练或者和team一起游, 会提高的快些。
b*s
发帖数: 82482
24
来自主题: LeisureTime版 - 这两本书各5刀值得买么?
应该是老板说我efficent,爱人说我virile……
k****t
发帖数: 12697
25
RANCH 好处多多. 不用拿个东西就上上下下, 搬个重的家具啥的, 楼梯就苦了.
EFFICENCY 还是得主要看造的年代
a*********a
发帖数: 3656
26
to be moderately future proof with some consideration in efficency.
typedef bitset<64> gender;
allow 1 in multiple bits. hopefully you don't have to go to bitset<128> in
another few years.
d*****9
发帖数: 3459
27
来自主题: Thoughts版 - 任天堂都亏损了啊
到最后就是efficency。美国的物价就很能说明问题。
s****r
发帖数: 2386
28
He was driving when he only has learner's permit by himself, so he need to
appear in court in himself to settle it, but after he went there one day,
the clerk missed to file the document hence the drama after that, I am still
proud I acted very cool and efficently, got him out after a couple of hours
, but his head was already shaved...
w*******n
发帖数: 4188
29
来自主题: WHU版 - 难忘的梅园小树林
What a wonderful place it is!Here pass my best memory in Wuhan University.In
the late spring,or early fall,you can read your favorite book at those lovely
stone chair.I still remember there is a very tall ,and big tree in the middle
little garden. 我总是坐在长长的藤蔓上,边摇晃边看书,如坐春风,十分惬意.Before exams
all of my classmates choose this place to remember those boring notes.Here,you
can greatly enhance your efficency.
Especially,after dinner,you can walk with your best friends around the university.
从樱园漫步下来,在梅园小
b******y
发帖数: 9224
30
我研究过,好像有个javabb,是开源的,但不知道code base如何. php的很多,不妨用。
java的很少,因为大部分都是要钱的。
其实你可以自己编不就完了。比如我做的软件,就是自己用,类似论坛的架构,而且容
易修改,因为都是自己写的程序。另外,还scalable,也efficent, 速度啥的都是非常
好的。
c*****u
发帖数: 530
31
Do you guys know any efficent algorithm to do so? Thanks
f******g
发帖数: 111
32
depends company and position.
the best way would be check out the specific requirements and consult with
people who have experience with the company.
in general, if you apply for developer position, you should have solid coding
skills. i have found advanced knowledge of cs is useless. the most efficent
interview preparation would be going over underg's classic textbook, such as c
++ and algorithms.
if you apply for researcher position, your academic performance and knowledge
should be important.
r******y
发帖数: 3838
33
来自主题: EmergingNetworking版 - why ftp use random multi-ports to transfer data.
for efficency?
thanks.
r******y
发帖数: 3838
34
来自主题: EmergingNetworking版 - why ftp use random multi-ports to transfer data.
using one (logic) port can't transfer several files at same time?
I guess server side may have several physics ports. so that
can transfer data at same time.
also don't know if mulitip processes can improve IO efficency.
T****i
发帖数: 1284
35
来自主题: Hardware版 - Overclocking - help~
which mobo? and is 4g the max u can get? ( I understand each cup has its max
overclock ability + type of mobo you have, whats the "avg efficent" range
you can clock this cpu?)
thank you ~
y**b
发帖数: 10166
36
来自主题: Hardware版 - 请推荐linux workstation?
8节点的小模拟简单比较过,speedup=4, efficency=0.5,这个也没太大意义,主要是计
算量相对通讯量还不够大,纯粹测试计算稳定性用的。
1000节点的唯一一次运算的输出没有串行时间比的信息,而且运算量/通讯量的比值随着
进度增加很大,现在还很难估算,我估摸scaled speedup能到800以上。
s******e
发帖数: 493
37
来自主题: Java版 - What A DESIGN!

Stacking too many views masks performance issue.
Firstly, you might return many unneccesary columns via a complex stacked
views, but actually you only want to return several columns, which can be
done easily using a simpler query against tables.
Secondly, stack more views on top of more views may break down predicate
pushing.
thirdly, stack too many views may cause optimizer not to generate the
optimized excution plan. (subqueries may not be merged efficently)
The gain of using normal view to c
b******y
发帖数: 9224
38
来自主题: Java版 - coldfusion vs java
coldfusion was coded in java.
N years ago, it used to be coded in c++ by a guy who graduated from
political science major. Then, that whole thing got migrated to java.
If you do consulting work, yes, coldfusion is good. Otherwise, it is pretty
big and not very impressive. I can just use spring framework and simple java
to do what coldfusion could do and even more efficent.
p***o
发帖数: 836
39
来自主题: Programming版 - 这个同学很神
刚在WIKI上看的:(关于用二叉树做PREFIX CODE的故事)
History
In 1951, David Huffman and his MIT information theory classmates were given
the choice of a term paper or a final exam. The professor, Robert M. Fano,
assigned a term paper on the problem of finding the most efficient binary code
. Huffman, unable to prove any codes were the most efficient, was about to
give up and start studying for the final when he hit upon the idea of using a
frequency-sorted binary tree, and quickly proved this method the most
effic
T*******i
发帖数: 4992
40
来自主题: Programming版 - C# 的一些新feature.
很多时候,你所说的效率(performance)不是唯一的目的,甚至不是真正的效率(effic
iency)
D******n
发帖数: 2836
41
谁说过智商来着?还小学生比谁奥赛厉害是不是?
用vi是觉得它熟手后很方便,非常efficent。

calculator
N********n
发帖数: 8363
42

The fact C* needs to "sort" tells me it's not as efficient as an
ordinary MQ b/c MQ does not need to sort as it merely appends a new
element at the tail. It's already sorted by time of arrival. If C*
needs to sort first then it has to delay the read till the sorting is
done, and that's not exactly "efficent" if I need to read on the fly.
o**o
发帖数: 3964
43
来自主题: Software版 - Vista中的Mcafee问题
suggest you try NOD32, which is an elegant and efficent anti-virus software
Mcafee and Norton (symantec) are way over complicated, and slow.
d**k
发帖数: 1223
44
来自主题: Unix版 - lost root account

My sweet Lord! Thank you sooooooooo much. I am going to try this soon. The
link you give me is so good. I love this baby. I am thinking that I am going
to join it. Would you please give me some tips how can i search the related
topic more efficently in this forum?
Thanks, dude!
m****n
发帖数: 1066
45
来自主题: Biology版 - what's the efficency of RTase?
1 RNA ---- 1 cDNA? ideally?
m*******u
发帖数: 25
46
关于是energy effiency的优化, 还是最小传输数据量的优化,或最throughput的优化
,这个还没到那一步呢,我看到多数文章是对energy efficency的,我们的研究方向也
是这方面的。
那么是不是说不同方面的优化,在模型建立上还不一样嘛?
我以为都是要用到信号检测先,然后只要用不同的performance evaluation 就是说
energy efficiency or throughput ...的定义进行模拟网络传输 就可以出结果了 不
知道我这样理解对不对
s********n
发帖数: 319
47
来自主题: EE版 - 温度,系统功耗变化
T高,基本功耗要高,leakage变大,电源可能更好,但是增加的efficency有限
T要是在-40度,功耗如何变化
r***o
发帖数: 162
48
来自主题: Pharmaceutical版 - 据说药厂Focus on后期药物开发only了
You were losing the focus of the argument:
I did not argue with you whether big pharma has problem with their R&D. Even
a plumber in the pharma will tell you about the company's inefficient R&D
engine. I am telling you that cutting their own discovery is a suitcide for
that company. And the biotech industry is no more efficent than pharma, in
terms of the R&D.
I repeated many times before: Pharma industry a dying industry.
If everybody in the pharma has the same mentality as yours(assume that y
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