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(Mac) -bash: __git_ps1: command not found

...and git prompt to work again. From my .bash_profile or similar: if [ -f /Applications/Xcode.app/Contents/Developer/usr/share/git-core/git-completion.bash ]; then . /Applications/Xcode.app/Contents/Developer/usr/share/git-core/git-completion.bash fi source /Applications/Xcode.app/Contents/Deve...
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How to optimize for-comprehensions and loops in Scala?

... If the return happens from inside a closure, it seems to be the best available option. Returns from outside closures are of course translated directly to return instructions in the bytecode. – Martin Odersky ...
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Detect whether there is an Internet connection available on Android [duplicate]

...signal, captive portals, content filters and the like can all prevent your app from reaching a server. For instance you can't tell for sure if your app can reach Twitter until you receive a valid response from the Twitter service. ...
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Using the “animated circle” in an ImageView while loading stuff

I am currently using in my application a listview that need maybe one second to be displayed. 6 Answers ...
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iOS 7 - Failing to instantiate default view controller

I am using Xcode 5 in a newly created app and when I just create it I go for the run button e click on it, then the project gets built but it does not show in the iOS Simulator and I get the following message: ...
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View's getWidth() and getHeight() returns 0

...cause otherwise it will fire on every layout event. If you have to support apps SDK Lvl < 16 use this to unregister the listener: public void removeGlobalOnLayoutListener (ViewTreeObserver.OnGlobalLayoutListener victim) 2. Add a runnable to the layout queue: View.post() Not very well known and m...
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Having links relative to root?

... directory being in the same directory as the html page in which this link appears. To make it a root-relative URL, change it to: <a href="/fruits/index.html">Back to Fruits List</a> Edited in response to question, in comments, from OP: So doing / will make it relative to www.e...
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NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint

I am very new to this. I followed Apple's tutorial step by step for the iPhone project "HelloWorld". I ran it in the iPhone 5.0 simulator and it crashed: ...
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“Single-page” JS websites and SEO

...you might be penalized (I'm not an expert on that, but I have heard of it happening). Both SEO and accessibility (not just for disabled person, but accessibility via mobile devices, touch screen devices, and other non-standard computing / internet enabled platforms) both have a similar underlying p...
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SHA-1 fingerprint of keystore certificate

... If you're writing Android apps on Xamarin, use this: keytool -list -v -keystore "%USERPROFILE%\AppData\Local\Xamarin\Mono for Android/debug.keystore" -alias androiddebugkey -storepass android -keypass android – Jay Sidri ...