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What is a “static” function in C?
...n. For (C++/Java/...) class methods, static means that this method can be called on the class itself, no instance of that class necessary.
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What scalability problems have you encountered using a NoSQL data store? [closed]
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I've switched a small subproject from MySQL to CouchDB, to be able to handle the load. The result was amazing.
About 2 years ago, we've released a self written software on http://www.ubuntuusers.de/ (which is probably the biggest German Linux...
JavaScript: How to find out if the user browser is Chrome?
...perties for the 'window object'. When you collapse the object you can view all the properties, including the 'chrome' property.
You can't use strictly equals true anymore to check in IE for window.chrome. IE used to return undefined, now it returns true. But guess what, IE11 now returns undefined ...
How can I make a div not larger than its contents?
...iner has text-align: center; then the inline-block element will be horizontally centered.
– Savas Vedova
Apr 9 '14 at 12:09
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Why doesn't C++ have a garbage collector?
... asking this question because of the merits of garbage collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time.
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Save PL/pgSQL output from PostgreSQL to a CSV file
...e to your local PC. It also needs to be run as a Postgres "superuser" (normally called "root") because Postgres can't stop it doing nasty things with that machine's local filesystem.
That doesn't actually mean you have to be connected as a superuser (automating that would be a security risk of a di...
How do I convert a numpy array to (and display) an image?
...good to know: If you want to display grayscale images, it is advisable to call plt.gray() once in your code to switch all following graphs to grayscale. Not what the OP wants but good to know nevertheless.
– Cerno
Feb 28 '17 at 12:21
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What is a software framework? [closed]
...and again for the same type of applications, you create a framework having all those facilities together in one nice packet, hence providing the abstraction for your application and more importantly many applications.
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How to center absolute div horizontally using CSS?
I've a div and want it to be centered horizontally - although I'm giving it margin:0 auto; it's not centered...
8 Answers...
Setting background-image using jQuery CSS property
...rnatively to what the others are correctly suggesting, I find it easier usually to toggle CSS classes, instead of individual CSS settings (especially background image URLs). For example:
// in CSS
.bg1
{
background-image: url(/some/image/url/here.jpg);
}
.bg2
{
background-image: url(/anot...