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Disabling browser print options (headers, footers, margins) from page?
...on the body will not be used in page breaks (as commented by Konrad) This means that it will only work properly if the printed content is only one page.
This does not work in Firefox 3.6, IE 7, Safari 5.1.7 or Google Chrome 4.1.
Setting the @page margin does have effect in IE 8, Opera 10, Google C...
What is the best way to create constants in Objective-C
...t does. static NSString const * is the same as static const NSString * and means "a (changeable) pointer to a constant NSString" - which is a bit useless here as NSString is already immutable. What you want to only static NSString * const - which is a "constant pointer to an NSString"
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Validate uniqueness of multiple columns
Is there a rails-way way to validate that an actual record is unique and not just a column? For example, a friendship model / table should not be able to have multiple identical records like:
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Is there a benefit to defining a class inside another class in Python?
... OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
5 Answers
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Can jQuery get all CSS styles associated with an element?
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BTW, when you say a JSON object, you just mean a JavaScript object right?
– alex
Apr 29 '11 at 10:11
3
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Understanding ibeacon distancing
...n distribution. There are two main parameters describing Gaussian curve:
mean (which is easy to understand, it's value for which peak of the curve occurs).
standard deviation, which says how wide or narrow the curve is. The narrower curve, the better accuracy, because all results are close to each...
How to avoid isset() and empty()
...alk at this at compile time. The fact that PHP allows you to do it doesn't mean you should.
These warnings are there to help you, not to annoy you. If you get a warning "You're trying to work with something that doesn't exist!", your reaction should be "Oops, my bad, let me fix that ASAP." How else...
What's the difference between unit, functional, acceptance, and integration tests? [closed]
...OperationException). Everything it touches should be done in memory; this means that the test code and the code under test shouldn't:
Call out into (non-trivial) collaborators
Access the network
Hit a database
Use the file system
Spin up a thread
etc.
Any kind of dependency that is slow / har...
What is the easiest way to duplicate an activerecord record?
...record record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this?
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How to add Google Analytics Tracking ID to GitHub Pages
... but I am full of doubts right now about adding Google Analytics Tracking ID to GitHub page .
7 Answers
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