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Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...fault behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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$apply already in progress error
...$apply? You shouldn't ever need to call $apply unless you are interfacing from a non-Angular event. The existence of $apply usually means I am doing something wrong (unless, again, the $apply happens from a non-Angular event).
If $apply really is appropriate here, consider using a "safe apply" ap...
What is the difference between Nexus and Maven?
...epository while Maven uses a repository to build software.
Here's a quote from "What is Nexus?":
Nexus manages software "artifacts" required for development. If you develop software, your builds can download dependencies from Nexus and can publish artifacts to Nexus creating a new way to share ...
What is a non-capturing group in regular expressions?
...groups serve many purposes. They can help you to extract exact information from a bigger match (which can also be named), they let you rematch a previous matched group, and can be used for substitutions. Let's try some examples, shall we?
Imagine you have some kind of XML or HTML (be aware that reg...
What's the difference between a file descriptor and file pointer?
...ot. In practice, you want to use FILE * almost always when you are reading from a 'real' file (ie. on the drive), unless you know what you are doing or unless your file is actually a socket or so..
You can get the file descriptor from the FILE * using fileno() and you can open a buffered FILE * fro...
How do I remove newlines from a text file?
I have the following data, and I need to put it all into one line.
19 Answers
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How to convert an NSString into an NSNumber
...numberStyle = NSNumberFormatterDecimalStyle;
NSNumber *myNumber = [f numberFromString:@"42"];
If the string is not a valid number, then myNumber will be nil. If it is a valid number, then you now have all of the NSNumber goodness to figure out what kind of number it actually is.
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ViewPager and fragments — what's the right way to store fragment's state?
...r.instantiateItem(View, int) and save a reference to the fragment returned from the super call before returning it (it has the logic to find the fragment, if already present).
For a fuller picture, have a look at some of the source of FragmentPagerAdapter (short) and ViewPager (long).
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Load and execution sequence of a web page?
...rdinary web page. But now I need to know detail. It's hard to find answers from Google or SO, so I created this question.
7...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
... of hash function implementations in C (and Java). All implementations are from the same author (me) and were made with comparable efforts at optimizations; thus the speed differences can be considered as really intrinsic to the functions.
As a point of comparison, consider that a recent hard disk ...