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PHP how to get local IP of system
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This is the solution that worked for me and that avoids calling shells, operating system commands and all sorts of stuff that can open security holes or raise odd issues later.
– Dario Fumagalli
Jul 17 '14 at 10:59
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Easy way to see saved NSUserDefaults?
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How can I view it for an already installed application? My client downloaded the application from the appstore, and something is wrong. I need to check the NSUserDefaults file
– Dejell
Mar 12 '13 at 8:21
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How to use @Nullable and @Nonnull annotations more effectively?
...guess these annotations are only useful for your IDE to warn you of potentially null pointer errors.
As said in the "Clean Code" book, you should check your public method's parameters and also avoid checking invariants.
Another good tip is never returning null values, but using Null Object Pattern...
How to show current year in view?
...ht it might come handy for those who want to look at benchmark results for all the suggested solutions.
require 'benchmark'
n = 500000
Benchmark.bm do |x|
x.report { n.times do ; Date.today.year; end }
x.report { n.times do ; Date.current.year; end }
x.report { n.times do ; Time.current.year...
AngularJS For Loop with Numbers & Ranges
... You have to watch out for things like this. The range function will get called multiple times for each item in the list. You can get nasty memory leaks and you're generating a lot of function calls. It almost seems easier to put the collection inside the controller.
– Lucas ...
Using the scrollwheel in GNU screen
How can I setup GNU screen to allow the mouse's scrollwheel to scroll around in the scrollback buffer? I tried to Google about this, but most hits were on how to allow applications inside screen to use the scrollwheel.
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How to add text inside the doughnut chart using Chart.js?
...ext based off the amount of text and the size of the doughnut. Here is a small script you can use to dynamically place any amount of text in the middle, and it will automatically resize it.
Example: http://jsfiddle.net/kdvuxbtj/
It will take any amount of text in the doughnut sized perfect for ...
How do I determine which iOS SDK I have?
..., but how do I determine which version of the iOS SDK I currently have installed?
5 Answers
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Amazon S3 boto - how to create a folder?
...y S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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Easiest way to flip a boolean value?
...ses can be merged as they do the same thing.
– David Allan Finch
Mar 4 '09 at 15:16
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Is default:...