大约有 47,000 项符合查询结果(耗时:0.0524秒) [XML]

https://stackoverflow.com/ques... 

isset() and empty() - what to use

Could you help me to improve my coding style?:) In some tasks I need to check - is variable empty or contains something. To solve this task, I usually do the following. ...
https://stackoverflow.com/ques... 

Performance of Java matrix math libraries? [closed]

We are computing something whose runtime is bound by matrix operations. (Some details below if interested.) This experience prompted the following question: ...
https://stackoverflow.com/ques... 

TortoiseGit save user authentication / credentials

...ential Manager, the successor of git-credential-winstore) For the first time you sync you are asked for user and password, you enter them and they will be saved to Windows credential store. It won't ask for user or password the next time you sync. To use: Right click → TortoiseGit → Settings ...
https://stackoverflow.com/ques... 

How do I REALLY reset the Visual Studio window layout?

I had a plugin installed in Visual Studio 2008, and it created some extra dockable windows. I have uninstalled it, and I can't get rid of the windows it created - I close them, but they always come back. They're just empty windows now, since the plugin is no longer present, but nothing I've tried ...
https://stackoverflow.com/ques... 

How to check if there's nothing to be committed in the current branch?

...s --other --exclude-standard --directory | egrep -v '/$' The -v to egrep means to only output lines that don't match the pattern, and the pattern matches any line that ends with a /. share | impro...
https://stackoverflow.com/ques... 

.gitignore exclude folder but include specific subfolder

... application/, then everything under it will always be excluded (even if some later negative exclusion pattern (“unignore”) might match something under application/). To do what you want, you have to “unignore” every parent directory of anything that you want to “unignore”. Usually you ...
https://stackoverflow.com/ques... 

How do you loop through each line in a text file using a windows batch file?

...t put in the asterisk it will only pull the first word on the line. I assume it has to do with spaces. For Command on TechNet If there are spaces in your file path, you need to use usebackq. For example. for /F "usebackq tokens=*" %%A in ("my file.txt") do [process] %%A ...
https://stackoverflow.com/ques... 

What are the uses of “using” in C#?

User kokos answered the wonderful Hidden Features of C# question by mentioning the using keyword. Can you elaborate on that? What are the uses of using ? ...
https://stackoverflow.com/ques... 

UnicodeEncodeError: 'ascii' codec can't encode character u'\xa0' in position 20: ordinal not in rang

... In case someone else gets confused by this, I found a strange thing: my terminal uses utf-8, and when I print my utf-8 strings it works nicely. However when I pipe my programs output to a file, it throws a UnicodeEncodeError. In fact, ...
https://stackoverflow.com/ques... 

Number of lines in a file in Java

I use huge data files, sometimes I only need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file ...