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what exactly is device pixel ratio?
this is mentioned every article about mobile web, but nowhere I can found an explanation of what exactly does this attribute measure.
Can anyone please elaborate what does queries like this check?
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What's the equivalent of use-commit-times for git?
...need the timestamps of files on my local and on my server to be in sync. This is accomplished with Subversion by setting use-commit-times=true in the config so that the last modified of each file is when it was committed.
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Something like 'contains any' for Java set?
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Wouldn't Collections.disjoint(A, B) work? From the documentation:
Returns true if the two specified collections have no elements in common.
Thus, the method returns false if the collections contains any common elements.
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What is cURL in PHP?
In PHP, I see the word cURL in many PHP projects. What is it? How does it work?
11 Answers
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Why is Magento so slow? [closed]
Is Magento usually so terribly slow?
11 Answers
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Readonly Properties in Objective-C?
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You need to tell the compiler that you also want a setter. A common way is to put it in a class extension in the .m file:
@interface YourClass ()
@property (nonatomic, copy) NSString* eventDomain;
@end
share
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What's the difference between assignment operator and copy constructor?
... difference between assignment constructor and copy constructor in C++. It is like this:
8 Answers
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In Javascript, how to conditionally add a member to an object?
...to create an object with a member added conditionally.
The simple approach is:
22 Answers
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Meaning of 'const' last in a function declaration of a class?
What is the meaning of const in declarations like these? The const confuses me.
10 Answers
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What data is stored in Ephemeral Storage of Amazon EC2 instance?
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Anything that is not stored on an EBS volume that is mounted to the instance will be lost.
For example, if you mount your EBS volume at /mystuff, then anything not in /mystuff will be lost. If you don't mount an ebs volume and save stu...