大约有 42,000 项符合查询结果（耗时：0.0631秒） [XML]
How to calculate date difference in JavaScript?
...value is in ms).
– trisweb
Oct 22 '13 at 19:54
35
There is no "simple" arithmetic for converting ...
请停下来重新想下 你究竟为何创业？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...业最好的结果可能是达到收支稳定。 从抽象角度来说，30%的概率挣300万美元、3%的概率挣3000万美元、0.3%的概率挣3个亿的效果都是一样好的。但实际上，你通常会试图让利益最大化，那么哪种会是你的选择？
有30%概率赚到300万...
Where does R store packages?
...ths()
[1] "/usr/local/lib/R/site-library" "/usr/lib/R/site-library"
[3] "/usr/lib/R/library"
R>
meaning that the default path is the first of these. You can override that via an argument to both install.packages() (from inside R) or R CMD INSTALL (outside R).
You can also ove...
What is the difference between Normalize.css and Reset CSS?
...
|
edited Mar 31 '12 at 22:00
answered Dec 2 '11 at 14:13
...
How can I programmatically create a new cron job?
...
answered Mar 4 '09 at 14:38
S.LottS.Lott
349k7373 gold badges478478 silver badges750750 bronze badges
...
How to wrap text using CSS? [duplicate]
...
Try doing this. Works for IE8, FF3.6, Chrome
<body>
<table>
<tr>
<td>
<div style="word-wrap: break-word; width: 100px">gdfggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg...
What are allowed characters in cookies?
...
13 Answers
13
Active
...
Using the rJava package on Win7 64 bit with R
...nually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit R, you need Java for Windows x64
To build or check R packages with multi-arch (the default) you need to install both Java For Windows x64 as well as Java for Win...
Easy way to pull latest of all git submodules
...hich case some of the other answers here would work as well).
For git 1.7.3 or above you can use (but the below gotchas around what update does still apply):
git submodule update --recursive
or:
git pull --recurse-submodules
if you want to pull your submodules to latest commits instead of the...