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Retina displays, high-res background images
...00px to
match the new high res background image
No, but you do need to set the background-size property to match the original dimensions:
@media (-webkit-min-device-pixel-ratio: 2),
(min-resolution: 192dpi) {
.box{
background:url('images/box-bg@2x.png') no-repeat top left;
...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
... In both cases, the int is optional.
As to the difference between the two sets, the C++ standard mandates minimum ranges for each, and that long long is at least as wide as long.
The controlling parts of the standard (C++11, but this has been around for a long time) are, for one, 3.9.1 Fundamental...
Determining type of an object in ruby
... that. If you're defining "type" as "object which responds to a particular set of methods with acceptable results" then there's really no way to assert that. It's just too loose. Most of the time in Ruby when referring to an object's type, it's understood you're talking about the class. I did use th...
Quickest way to convert a base 10 number to any base in .NET?
...ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm not aware of any method in the BCL which is capable to convert numbers to any base so you would have to write your own small utilit...
jQuery Set Select Index
... @mikejones - that's by design. When you're programmatically setting a selected option, you may not always want the bound change event to be triggered (like on a page load event.) To solve that jquery leaves it up to the developer to decide. In your case you can simply call $('#select...
Adding a cross-reference to a subheading or anchor in another page
...to either a sub-header or anchor in another page in the same documentation set?
3 Answers
...
What should I do if the current ASP.NET session is null?
...le does it's work by reading the session cookie and finding the appropiate set of session variables for you.
AcquireRequestState runs before control is handed to your Page. So if you are calling other functionality, including static classes, from your page, you should be fine.
If you have some class...
Decimal precision and scale in EF Code First
...
Is there a EF configuration to set it for all decimal properties on all entities in one place? We generally use (19,4) . It would be nice to have this automatically be applied to all decimal properties, so we can't forget to set a property precision and mi...
How to remove all callbacks from a Handler?
...receiving Callbacks, I'd call handler.removeCallbacksAndMessages(null) and set my handler to null, but since I would still get the callback, I'd encounter a NPE when I'd want to loop with handler.postDelayed().
– Snaker
May 23 '16 at 18:19
...
What's the difference between a word and byte?
...ines.
The byte is the smallest addressable unit for a CPU. If you want to set/clear single bits, you first need to fetch the corresponding byte from memory, mess with the bits and then write the byte back to memory.
The word by contrast is biggest chunk of bits with which a processor can do proces...