大约有 5,816 项符合查询结果(耗时:0.0214秒) [XML]
Selecting only numeric columns from a data frame
...s.numeric)] works as well. And they always return data.frame. Compare x[1] vs x[,1] - first is data.frame, second is a vector. If one want to prevent conversion then must use x[, 1, drop=FALSE] .
– Marek
May 3 '11 at 11:46
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String strip() for JavaScript? [duplicate]
...ing/Trim
http://msdn.microsoft.com/en-us/library/windows/apps/ff679971%28v=vs.94%29.aspx
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How do I use vimdiff to resolve a git merge conflict?
...n see here the two diffs dumped into the terminal:
RealView_BASE_15560.py vs RealView_LOCAL_15560.py
RealView_BASE_15560.py vs RealView_REMOTE_15560.py
If the diffs are big, I'll just search up with my tmux superpowers.
TODO: to achieve Nirvana the last thing left would be a way to show only diffs...
Best way to pretty print a hash
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This also doesn't deal with null (JSON) vs nil (Ruby).
– Rennex
Jun 2 '17 at 1:11
1
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
...ut a short test shows something quite interesting on my ancient e8400 with VS2010 x64 release, testcode for MATSIZE 8192
int main() {
LARGE_INTEGER start, end, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCounter(&start);
recursiveTranspose(0, MATSIZE, 0, MATSIZE)...
Library? Static? Dynamic? Or Framework? Project inside another project
...unch time since all dynamic libraries should be copied and linked.
[Static vs dynamic linking]
Text-based stub library - .tbd[About], it is a text stub of dynamic library which is located on a target device. As a result you should not package a dynamic library into your bundle. It has a size effect....
Detect when a window is resized using JavaScript ?
...between a mouse-up and a pause in a cross-browser way, the same for an end vs a pause). You can create that event though, to make it a bit cleaner, like this:
$(window).resize(function() {
if(this.resizeTO) clearTimeout(this.resizeTO);
this.resizeTO = setTimeout(function() {
$(this...
Prevent linebreak after
...gless container. The only difference is their default display mode (block vs inline)
– Joeri Hendrickx
Aug 27 '10 at 11:12
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。
下面就介绍给MFC程序添加中英文的支持,开发环境为VS2010。
1. 新建工程
新建了一个对话框工程,工程名称为MultiLanguages,默认语言选择是“中文”。
2. 添加多国语言的资源
在创建工程后,工程会添加默认的资源,...
Ruby: What is the easiest way to remove the first element from an array?
...use it's a one line expression that you can use anywhere. To avoid the [] vs nil problem, you can do arry[1..-1] || []. But arry.drop(1) is even better.
– fearless_fool
Oct 21 '13 at 0:23
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