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How unique is UUID?
...UUID generators. They are difficult to get right, so subject them to load tests before using them.
– Mike Strobel
Mar 20 '17 at 18:08
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Consistency of hashCode() on a Java string
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No. Sorry. My point is that everything you test on may work the way you want. But that's still no guarantee. So if youre' working on a (say) short term project where you have control of the VM etc., then the above may work for you. But you can't rely on it in the wide...
Are empty HTML5 data attributes valid?
... code is not being treated as a boolean but rather as an empty string. So, testing if ($('p').data('modal-target')) won't work: stackoverflow.com/questions/16864999/….
– Derek Henderson
Dec 20 '13 at 13:56
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
... with
lim sup { |f(x) - U(x,a(k) ) | : x } =0
and you draw examples and tests (x,y) with a distribution D on IxI.
For a prescribed support, what you do is to find the best a such that
sum { ( y(l) - U(x(l),a) )^{2} | : 1<=l<=N } is minimal
Let this a=aa which is a random variable!, the...
Make Div overlay ENTIRE page (not just viewport)?
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@Arve It gets you close, but it's better to use a time-tested reset sheet instead. Check out meyerweb.com/eric/tools/css/reset for more information - you'll love it, I assure you :)
– Sampson
May 17 '10 at 20:06
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When to use transclude 'true' and transclude 'element' in Angular?
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How would one unit test a directive with transclude equal to 'element'? I'm currently struggling with that problem. I can't seem to access the element after it's been transcluded.
– Chester Rivas
Aug 5 '1...
浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下目标服务器的「cwnd」初始值设置，此时可以数包：
Test Initcwnd
通过握手阶段确认RTT为168，开始传输后得到第一个数据包的时间是409，加上RTT后就是577，从409到577之间有两个数据包，所以「cwnd」初始值是2MSS。
需要额外说...
Password masking console application
... the currently accepted answer, the final else clause would benefit from a test if (!char.IsControl(i.KeyChar)) (or at the very least if (i.KeyChar != '\u0000')).
– Peter Taylor
Nov 11 '15 at 12:22
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How to make grep only match if the entire line matches?
...y need double backslash to escape the dot (.):
grep -x ABB\\.log a.tmp
Test:
$ echo "ABBElog"|grep -x ABB.log
ABBElog #matched !!!
$ echo "ABBElog"|grep -x "ABB\.log"
#returns empty string, no match
Note:
-x forces to match the whole line.
Answers using a non escaped . without -F flag a...
Concatenate strings in Less
...polation:
@url: "@{root}@{file}";
Full code:
@root: "../img/";
@file: "test.css";
@url: "@{root}@{file}";
.px{ background-image: url(@url); }
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