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What does the question mark operator mean in Ruby?
..., converting a character to its ASCII integer, usage in test, in RegEx'es, etc.) many of which are covered in the other answers here.
– Karl Wilbur
Sep 11 '15 at 20:36
4
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Is MATLAB OOP slow or am I doing something wrong?
...ivate_nop(obj): 0.84738 sec 8.47 usec per call
classdef nop(obj) (m-file): 0.90560 sec 9.06 usec per call
classdef class.staticnop(): 1.16361 sec 11.64 usec per call
Java nop(): 2.43035 sec 24.30 usec per call
Java static_nop(): 0.87682 sec 8.77 ...
Check if a string is html or not
...er component descriptions, typically generating shadow DOM. Slap this in a file and eval document.querySelector('strange') — it'll work.
– amcgregor
Feb 27 at 16:46
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Add space between HTML elements only using CSS
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@thdoan: It depends on your layout, etc. You can try something like this.
– thirtydot
Sep 20 '19 at 20:51
1
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UIGestureRecognizer on UIImageView
...nizerDelegate{
//your image view that outlet from storyboard or xibs file.
@IBOutlet weak var imgView: UIImageView!
// declare gesture recognizer
var panRecognizer: UIPanGestureRecognizer?
var pinchRecognizer: UIPinchGestureRecognizer?
var rotateRecognizer: UIRotationG...
The definitive guide to form-based website authentication [closed]
...th access to the hashes. This is why KDFs are used - these effectively "stretch the key", which means that every password guess an attacker makes causes multiple repetitions of the hash algorithm, for example 10,000 times, which causes the attacker to guess the password 10,000 times slower.
Session ...
Determine the path of the executing BASH script [duplicate]
...lem on your mac bash? works just fine over here on Cygwin, Linux, Solaris, etc., and it must also work on mac
– vladr
Mar 10 '09 at 14:15
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Any reason to clean up unused imports in Java, other than reducing clutter?
... too, like formatting, making fields final and so on..). So when i save my file eclipse removes the unessacry imports for me. In my opinion, if you don't need something then remove it (or let it be removed by eclipse).
How do the major C# DI/IoC frameworks compare? [closed]
... a very quantitative comparison. what about non-performance features like file size or number of dependencies required? Additionally, subjective measures like documentation quality or usability would be helpful. My point is that there are factors to consider other than speed.
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Determining the current foreground application from a background task or service
...starts another. for example, astro
// starting rock player when a move file was clicked. we dont have an activity then,
// but the package exits as soon as back is hit. so we can ignore the activity
// in this case
if(process==null)
return false;
RunningAppProcessInfo cu...