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How do you grep a file and get the next 5 lines
How do I grep a file for 19:55 and get the Line 1,2,3,4,5?
3 Answers
3
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Listing only directories using ls in Bash?
This command lists directories in the current path: ls -d */
26 Answers
26
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What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
How do I get Month and Date of JavaScript in 2 digit format?
When we call getMonth() and getDate() on date object, we will get the single digit number .
For example :
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Measuring code execution time
...ferences.
Stopwatch Class - Microsoft Docs
Provides a set of methods and properties that you can use to
accurately measure elapsed time.
Stopwatch stopwatch = Stopwatch.StartNew(); //creates and start the instance of Stopwatch
//your sample code
System.Threading.Thread.Sleep(500);
stopwatc...
Understanding recursion [closed]
I'm having major trouble understanding recursion at school. Whenever the professor is talking about it, I seem to get it but as soon as I try it on my own it completely blows my brains.
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Partly JSON unmarshal into a map in Go
My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
Linux - Replacing spaces in the file names
I have a number of files in a folder, and I want to replace every space character in all file names with underscores. How can I achieve this?
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Are std::vector elements guaranteed to be contiguous?
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This was missed from C++98 standard proper but later added as part of a TR. The forthcoming C++0x standard will of course contain this as a requirement.
From n2798 (draft of C++0x):
23.2.6 Class template vector [vector]
1 A vector is a sequence...
Make var_dump look pretty
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Note that echo, var_export, and highlight_string are all php functions and need to be inside a <?php ?> block. Yes even though the highlight_string function line has a <?php ?> pair inside, a pair is needed around the outside as well.
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