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What is a word boundary in regex?
... word character ([0-9A-Za-z_]).
So, in the string "-12", it would match before the 1 or after the 2. The dash is not a word character.
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jQueryUI Tooltips are competing with Twitter Bootstrap
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Both jQuery UI and Bootstrap use tooltip for the name of the plugin. Use $.widget.bridge to create a different name for the jQuery UI version and allow the Bootstrap plugin to stay named tooltip (trying to use the noConflict option on the Bootstrap widget just resul...
How do I create directory if none exists using File class in Ruby?
...dirname = File.dirname(some_path)
tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both "\" and "/"
1.upto(tokens.size) do |n|
dir = tokens[0...n]
Dir.mkdir(dir) unless Dir.exist?(dir)
end
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Have nginx access_log and error_log log to STDOUT and STDERR of master process
...verything (daemon modes, users, nginx versions etc). It just does not work for me. """open() "/dev/stderr" failed (6: No such device or address)""" (same issues with stdout, but nginx should output to stderr according to docs)
– Ivan Kleshnin
Feb 8 '15 at 10:09...
Redirect parent window from an iframe action
...fiddle throws this error: Unsafe JavaScript attempt to initiate navigation for frame with URL 'jsfiddle.net/ppkzS' from frame with URL 'parrisstudios.com/tests/iframe_redirect.html'. The frame attempting navigation of the top-level window is sandboxed, but the 'allow-top-navigation' flag is not set....
How to capture no file for fs.readFileSync()?
...js readFile() shows how to capture an error, however there is no comment for the readFileSync() function regarding error handling. As such, if I try to use readFileSync() when there is no file, I get the error Error: ENOENT, no such file or directory .
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std::shared_ptr thread safety explained
.../manual/shared_ptr.html and some thread safety issues are still not clear for me:
3 Answers
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How do I insert NULL values using PDO?
...to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody (thank you Will Shaver for reporting.)
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What happens if i return before the end of using statement? Will the dispose be called?
...compiled into try/finally, with Dispose being called in the finally block. For example the following code:
using(MemoryStream ms = new MemoryStream())
{
//code
return 0;
}
effectively becomes:
MemoryStream ms = new MemoryStream();
try
{
// code
return 0;
}
finally
{
ms.Disp...
Custom HTTP headers : naming conventions
... the general convention to add custom HTTP headers, in terms of naming , format ... etc.
6 Answers
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