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An efficient way to transpose a file in Bash
... more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the separator which the OP had originally asked for so it'd handle empty fields and it coincidentally pretties-up the output a bit for this particular case....
How to pattern match using regular expression in Scala?
... would like to be able to find a match between the first letter of a word, and one of the letters in a group such as "ABC". In pseudocode, this might look something like:
...
Get the previous month's first and last day dates in c#
...k of an easy one or two liner that would get the previous months first day and last day.
10 Answers
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Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image?
Is there a way to create xxhdpi, xhdpi, hdpi, mdpi and ldpi drawables from a large scale image automatically? For example assume that I have a 512x512 image and I want to have different versions of this images for different screen resolutions supported by Android in appropriate folders.
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Find (and kill) process locking port 3000 on Mac
How do I find (and kill) processes that listen to/use my tcp ports? I'm on mac os x.
31 Answers
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What is the use of ObservableCollection in .net?
...es to the collection (add, move, remove) occur. It is used heavily in WPF and Silverlight but its use is not limited to there. Code can add event handlers to see when the collection has changed and then react through the event handler to do some additional processing. This may be changing a UI or...
Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
这篇帖子是关于在MIT App Inventor中遇到错误908（权限接收短信）的讨论。一位用户遇到了这个问题，并询问是否有人知道如何解决。其他用户提供了一些可能的解决方案，包括检查应用程序权限设置、确保手机上的权限设置正确...
【精心整理】【实用】visual C++中最常用的类与API函数 - C/C++ - 清泛网 -...
【精心整理】【实用】visual C++中最常用的类与API函数这篇文章能让初学者快速了解visual C++MFC中常见的核心的类与函数，虽然全部看下来有点枯燥，但对初学者快速了解MFC的框架结构很有好处。...这篇文章能让初学者快速了解visu...
How do I pass a string into subprocess.Popen (using the stdin argument)?
...hing
other than None in the result tuple,
you need to give stdout=PIPE and/or
stderr=PIPE too.
Replacing os.popen*
pipe = os.popen(cmd, 'w', bufsize)
# ==>
pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin
Warning Use communicate() rather than
stdin....
How to get a list of current open windows/process with Java?
...
This is another approach to parse the the process list from the command "ps -e":
try {
String line;
Process p = Runtime.getRuntime().exec("ps -e");
BufferedReader input =
new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((line = input.readLine(...