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Are Exceptions in C++ really slow
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The main model used today for exceptions (Itanium ABI, VC++ 64 bits) is the Zero-Cost model exceptions.
The idea is that instead of losing time by setting up a guard and explicitly checking for the presence of exceptions everywhere, the compiler generates a side tab...
How is Python's List Implemented?
Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code.
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jQuery - select all text from a textarea
How can I make it so when you click inside a textarea, its entire content gets selected?
6 Answers
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Override valueof() and toString() in Java enum
...eed to have spaces in them, but enums can't have spaces in their values so it's all bunched up. I want to override toString() to add these spaces where I tell it to.
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grep a file, but show several surrounding lines?
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edited Sep 21 '17 at 8:33
Vladyslav
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Copy files from one directory into an existing directory
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What you want is:
cp -R t1/. t2/
The dot at the end tells it to copy the contents of the current directory, not the directory itself. This method also includes hidden files and folders.
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Git for Windows: .bashrc or equivalent configuration files for Git Bash shell
I've just installed Git for Windows and am delighted to see that it installs Bash.
12 Answers
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Fastest way to check if a string is JSON in PHP?
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edited Jun 21 '12 at 16:10
answered May 18 '11 at 8:20
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Utils to read resource text file to String (Java) [closed]
Is there any utility that helps to read a text file in the resource into a String. I suppose this is a popular requirement, but I couldn't find any utility after Googling.
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How do I send a cross-domain POST request via JavaScript?
...nuing everyone should read and understand the html5rocks tutorial on CORS. It is easy to understand and very clear.
If you control the server being POSTed, simply leverage the "Cross-Origin Resource Sharing standard" by setting response headers on the server. This answer is discussed in other answ...