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Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...seq:
* array[index] -> obj or nil
* array[start, length] -> an_array or nil
* array[range] -> an_array or nil
* array.slice(index) -> obj or nil
* array.slice(start, length) -> an_array or nil
* arr...
vagrant up failed, /dev/vboxnetctl: no such file or directory
...run: sudo "/Library/Application Support/VirtualBox/LaunchDaemons/VirtualBoxStartup.sh" restart
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How to give Jenkins more heap space when it´s started as a service under Windows?
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Don't forget restart jenkins service sudo service jenkins stop sudo service jenkins start
– Camilo Silva
Aug 31 '15 at 14:55
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Android OpenGL ES and 2D
... isn't that efficient when it comes to RT games).
My question is: where to start?
I've spent over a month browsing Google and reading/trying some tutorials/examples I've found anywhere but to be honest, it didn't help much and this is for two reasons:
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Concept behind these four lines of tricky C code
...nt by one. Your program does it precisely 771 times, so the exponent which started at 1075 (decimal representation of 10000110011) becomes 1075 + 771 = 1846 at the end; binary representation of 1846 is 11100110110. The resultant pattern looks like this:
01110011 01101011 01100011 01110101 01010011 ...
Animate change of view background color on Android
...able transition = (TransitionDrawable) viewObj.getBackground();
transition.startTransition(transitionTime);
Or run the transition in reverse by calling:
transition.reverseTransition(transitionTime);
See Roman's answer for another solution using the Property Animation API, which wasn't availab...
Can't install nuget package because of “Failed to initialize the PowerShell host”
...set the policy to unrestricted (as noted by @Gabriel in the comments) is:
start-job { Set-ExecutionPolicy Unrestricted } -RunAs32 | wait-job | Receive-Job
Having set the policy to unrestricted, you will want to set the policy back to its original after the install is complete.
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Getting time elapsed in Objective-C
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NSDate *start = [NSDate date];
// do stuff...
NSTimeInterval timeInterval = [start timeIntervalSinceNow];
timeInterval is the difference between start and now, in seconds, with sub-millisecond precision.
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How do I replace text in a selection?
I've just started using Sublime Text 2, coming from emacs.
11 Answers
11
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Intent - if activity is running, bring it to front, else start a new one (from notification)
My app has notifications, which - obviously - without any flags, start a new activity every time so I get multiple same activities running on top of each other, which is just wrong.
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