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C fopen vs open
...to fclose or fflush at the appropriate times.
If you're doing seeks (aka fsetpos or fseek the second of which is slightly trickier to use in a standards compliant way), the usefulness of buffering quickly goes down.
Of course, my bias is that I tend to work with sockets a whole lot, and there the ...
Is It Possible to Sandbox JavaScript Running In the Browser?
...arty scripted advertising or widgets) on any web page. ADsafe defines a subset of JavaScript that is powerful enough to allow guest code to perform valuable interactions, while at the same time preventing malicious or accidental damage or intrusion. The ADsafe subset can be verified mechanically by ...
.bashrc at ssh login
...-box running Hardy 8.04, the environment variables in my .bashrc are not set.
4 Answers
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Do I need to manually close an ifstream?
...ould occur if the file fails to close correctly? Remember that close calls setstate(failbit) if it fails. The destructor will call close() for you automatically because of RAII but will not leave you a way of testing the fail bit as the object no longer exists.
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Node.js/Express.js App Only Works on Port 3000
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Either explicitly hardcode your code to use the port you want, like:
app.set('port', process.env.PORT || 3000);
This code means set your port to the environment variable PORT or if that is undefined then set it to the literal 3000.
Or, use your environment to set the port. Setting it via the en...
Fluid width with equally spaced DIVs
...to the calc() function, media queries are necessary.
The basic idea is to set up a media query for each #columns states, where I then use calc() to work out the margin-right on each of the elements (except the ones in the last column).
This sounds like a lot of work, but if you're using LESS or SA...
How to get Core Data object from specific Object ID?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Copy all files with a certain extension from all subdirectories
...o supports **. For bash, use shopt -s globstar to enable it. For ksh, it's set -G or set -o globstar.
– pynexj
Mar 25 '13 at 14:58
5
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Remove CSS “top” and “left” attributes with jQuery
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The default values for CSS top and left are auto, so setting them to that might be equivalent depending on what you're trying to do:
$('.map').css('top', 'auto').css('left', 'auto');
You also have the option of wholly removing the style attribute:
$('.map').removeAttr('styl...
What is simplest way to read a file into String? [duplicate]
...call to next().
There is a constructor that takes a File and a String charSetName (among many other overloads). These two constructor may throw FileNotFoundException, but like all Scanner methods, no IOException can be thrown beyond these constructors.
You can query the Scanner itself through the ...