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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...n an expression like function(){}() the last parenthesis makes no sense.
Now think at
name=function(){} ; name() !?
Yes, the first pair of parenthesis force the anonymous function to turn into a variable (stored expression) and the second launches evaluation/execution, so ( function(){} )() ma...
Developing for Android in Eclipse: R.java not regenerating
... would generate a new one. But that didn't happen, and I don't have R.java now. How can I regenerate one?
64 Answers
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JavaScript: filter() for Objects
... 5 has the filter() prototype for Array types, but not Object types, if I understand correctly.
15 Answers
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Find out what process registered a global hotkey? (Windows API)
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The link to the program is now completely broken. What program was that? There are so many times I'd like to figure out which program registered my hotkeys because suddenly they don't work anymore or do annoying new things.
– Jame...
Typedef function pointer?
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Ah i get it now. Thanks.
– Jack Harvin
Nov 28 '10 at 5:09
4
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How can I append a string to an existing field in MySQL?
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Just in case somebody runs into the same issue as I did: If the field code is NULL by default you need to use: UPDATE categories SET code = CONCAT(IFNULL(code,''), '_standard') WHERE id = 1; Otherwise the concat will always result in NULL.
– Kai Noack
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VC/Linux C++ 递归访问目录下所有文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...,"\\*.*");
HANDLE hFind=::FindFirstFile(szFind,&FindFileData);
if(INVALID_HANDLE_VALUE == hFind) return;
while(TRUE)
{
if(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
if(FindFileData.cFileName[0]!='.')
{
...
What does %~dp0 mean, and how does it work?
...on, substitution of FOR
variable references has been enhanced.
You can now use the following optional
syntax:
%~I - expands %I removing any surrounding quotes (")
%~fI - expands %I to a fully qualified path name
%~dI - expands %I to a drive letter only
%~pI - expa...
Splitting String with delimiter
...swering the question for readers in the future, not just the person asking now. Please edit your answer to add explanations and give an indication of what limitations and assumptions apply.
– Brian
Apr 24 at 13:34
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MySQL - length() vs char_length()
What's the main difference between length() and char_length() ?
2 Answers
2
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