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Why does GCC generate such radically different assembly for nearly the same C code?
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What does the ^ operator do in Java?
... (binary)
5 = 101
6 = 110
------------------ xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
^ | 0 1 ^ | F T
--+----- --+-----
0 | 0 1 F | F T
1 | 1 0 T | T F
More simply, you can also think of xor as "t...
git - diff of current changes before committing
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git diff by default shows difference between your working directory and the index (staging area ...
Why are functions and methods in PHP case-insensitive?
... database, another acted as a form data interpreter. I ended up with about 30 different little CGI programs written in C before I got sick of it, and combined all of them into a single C library. I then wrote a very simple parser that would pick tags out of HTML files and replace them with the outpu...
Setting default permissions for newly created files and sub-directories under a directory in Linux?
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answered Feb 24 '09 at 5:37
Norman RamseyNorman Ramsey
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Python, add trailing slash to directory string, os independently
How can I add a trailing slash ( / for *nix, \ for win32) to a directory string, if the tailing slash is not already there? Thanks!
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How can I find my Apple Developer Team id and Team Agent Apple ID?
...t apple id and my team id. I have found it before and I have searched for 30 min without any luck now that i need it.
6 An...
What does “default” mean after a class' function declaration?
... juanchopanzajuanchopanza
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sql “LIKE” equivalent in django query
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edited Jun 25 at 16:13
Reaz Murshed
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answe...
What's the difference between String(value) vs value.toString()
...eOf method.
If the result is a primitive, return result, else go to Step 3.
Throw TypeError.
Given the above rules, we can make an example of the semantics involved:
var o = {
toString: function () { return "foo"; },
valueOf: function () { return "bar"; }
};
String(o); // "foo"
// Make ...