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How to programmatically get iOS status bar height
I know that currently the status bar (with the time, battery, and network connection) at the top of the iPhone/iPad is 20 pixels for non-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to...
In plain English, what does “git reset” do?
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In general, git reset's function is to take the current branch and reset it to point somewhere else, and possibly bring the index and work tree along. More concretely, if your master branch (currently checked out) is like this:
- A - B - C (HEAD, master)
and you realize you want maste...
Are HTML Image Maps still used?
...s. An alternative would be to position elements using absolute positioning and CSS but that's not necessarily better. It also doesn't allow you to have shapes like in image maps
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How to share Eclipse configuration over different workspaces
...es. (like at home, laptop, in office, etc.). How could I share the Eclipse and project configuration pragmatically between multiple computers? Should I version control them, or is there any easier way to do this?
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Get first n characters of a string
...hat's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
19 Answers
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
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You can use pageX and pageY to get the position of the mouse in the window. You can also use jQuery's offset to get the position of an element.
So, it should be pageX - offset.left for how far from the left of the image and pageY - offset.top...
How to share my Docker-Image without using the Docker-Hub?
...hout using the Docker-Hub or a Dockerfile but the 'real' Docker-Image? And what is exactly happening when I 'push' my Docker-Image to Docker-Hub?
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How to disable typing special characters when pressing option key in Mac OS X? [closed]
... I press option-b, I will get ∫. I don't need to type special characters and need to map option-b to shortcuts to certains applications. Is there any way to do this?
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Regexp Java for password validation
...dependent "module".
The (?=.*[xyz]) construct eats the entire string (.*) and backtracks to the first occurrence where [xyz] can match. It succeeds if [xyz] is found, it fails otherwise.
The alternative would be using a reluctant qualifier: (?=.*?[xyz]). For a password check, this will hardly mak...
Traits vs. interfaces
I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...