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How can I detect if a selector returns null?
...r runs
firstExistingElement.doSomething(); //<-executes on #iExist
http://jsfiddle.net/vhbSG/
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How to generate a random int in C?
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int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
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f...
WAMP/XAMPP is responding very slow over localhost
...rt from 80 to 8080 to avoid conflicts with programs like Skype. Open your httpd.conf file and find the line that starts with Listen (it's around line 62). Change it like the following:
Listen 127.0.0.1:8080
Change your powerplan
Change your power plan from Balanced to High Performance. You can ...
How to color the Git console?
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For example see https://web.archive.org/web/20080506194329/http://www.arthurkoziel.com/2008/05/02/git-configuration/
The interesting part is
Colorized output:
git config --global color.branch auto
git config --global color.diff auto
gi...
How to write PNG image to string with the PIL?
...n on image")
byte_io = BytesIO()
image.save(byte_io, 'PNG')
Read more: http://fadeit.dk/blog/post/python3-flask-pil-in-memory-image
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Why would you ever implement finalize()?
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I'm not sure what you can make of this, but...
itsadok@laptop ~/jdk1.6.0_02/src/
$ find . -name "*.java" | xargs grep "void finalize()" | wc -l
41
So I guess the Sun found some cases where (they think) it should be used.
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Actual examples for HATEOAS (REST-architecture) [closed]
...there are lot of fake/rudimentary REST-APIs in the wild (which implement a HTTP-API and call it REST without following the hypertext-as-the-engine-of-application-state requirement, which led to the famous rant of Roy T. Fielding , the man who first specified the REST-paradigm).
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Is int[] a reference type or a value type?
...variable contains
a reference to the array and not the
array itself.
https://msdn.microsoft.com/en-us/library/bb985948.aspx
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Can I do a synchronous request with volley?
...th Volley's RequestFuture class. For example, to create a synchronous JSON HTTP GET request, you can do the following:
RequestFuture<JSONObject> future = RequestFuture.newFuture();
JsonObjectRequest request = new JsonObjectRequest(URL, new JSONObject(), future, future);
requestQueue.add(reque...
iOS (iPhone, iPad, iPodTouch) view real-time console log terminal
...:
Grab the libimobiledevice binary for Mac OS X from my github account at
https://github.com/benvium/libimobiledevice-macosx/zipball/master
Follow the install instructions here:
https://github.com/benvium/libimobiledevice-macosx/blob/master/README.md
Connect your device, open up Terminal.app and ...