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Why are these constructs using pre and post-increment undefined behavior?
...
+500
C has the concept of undefined behavior, i.e. some language constructs are syntactically valid but you can't predict the behavior whe...
How to get the last char of a string in PHP?
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1021
substr("testers", -1); // returns "s"
Or, for multibytes strings :
substr("multibyte string...
How to detect DIV's dimension changed?
I've the following sample html, there is a DIV which has 100% width. It contains some elements. While performing windows re-sizing, the inner elements may be re-positioned, and the dimension of the div may change. I'm asking if it is possible to hook the div's dimension change event? and How to do t...
Check for column name in a SqlDataReader object
...HasColumn(this IDataRecord dr, string columnName)
{
for (int i=0; i < dr.FieldCount; i++)
{
if (dr.GetName(i).Equals(columnName, StringComparison.InvariantCultureIgnoreCase))
return true;
}
return false;
}
}
Using Exceptions fo...
Git command to show which specific files are ignored by .gitignore
...to exclude the files from the .git/ subfolder though.
Original answer 42009)
git ls-files -i
should work, except its source code indicates:
if (show_ignored && !exc_given) {
fprintf(stderr, "%s: --ignored needs some exclude pattern\n",
argv[0]);...
How to replace DOM element in place using Javascript?
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205
by using replaceChild():
<html>
<head>
</head>
<body>
<div>
...
How to auto-indent code in the Atom editor?
... |
edited May 16 '16 at 10:09
chetan92
3,39022 gold badges1414 silver badges1616 bronze badges
answered...
PDOException “could not find driver”
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answered May 17 '10 at 21:33
ZZ CoderZZ Coder
68.8k2828 gold badges126126 silver badges159159 bronze badges
...
Recursive search and replace in text files on Mac and Linux
...s didn't even conform to the OS X manpage):
https://web.archive.org/web/20170808213955/https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/sed.1.html
sed takes the argument after -i as the extension for backups. Provide an empty string (-i '') for no backups.
...
In the shell, what does “ 2>&1 ” mean?
... |
edited May 9 '18 at 20:18
Ricardo
2,45811 gold badge2121 silver badges4141 bronze badges
answered M...