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Git - How to close commit editor?
...description at the very top, press esc to exit insert mode, then type :x! (now the cursor is at the bottom) and hit enter to save and exit.
If typing :q! instead, will exit the editor without saving (and commit will be aborted)
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PHP Fatal error: Cannot redeclare class
Does anyone know what can cause this problem?
18 Answers
18
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Using Predicate in Swift
...ould become NSArray(object: …). This is a regular pattern in Swift.)
So now we just need to pass the arguments to the constructor. In Objective-C, NSString literals look like @"", but in Swift we just use quotation marks for strings. So that gives us:
let resultPredicate = NSPredicate(format: "n...
Crop MP3 to first 30 seconds
...his means ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3 would now be the correct answer.
– Oben Sonne
Dec 30 '12 at 20:41
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How to find the array index with a value?
..."rollnumber": 3,
"name": "amit",
"subject": "chemistry"
},
];
Now if we have a requirement to select a particular object in the array. Let us assume that we want to find index of student with name Tanmay.
We can do that by iterating through the array and comparing value at the given ke...
How do I cancel form submission in submit button onclick event?
...ut type="submit" value="login" id="login-btn"/>
</form>
You can now catch get that event before the form postback and stop it from postback and do all the ajax you want using this jquery.
$(document).ready(function () {
$("#login-btn").click(function (event) {
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How can I view array structure in JavaScript with alert()?
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EDIT: Firefox and Google Chrome now have a built-in JSON object, so you can just say alert(JSON.stringify(myArray)) without needing to use a jQuery plugin. This is not part of the Javascript language spec, so you shouldn't rely on the JSON object being pre...
How to detect first time app launch on an iPhone
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I wrote a tiny library for this very purpose. It lets me know whether this is the first launch ever, or just for this version, and any past versions the user has installed. It's available on github as a cocoapod under the Apache 2 license: GBVersionTracking
You just call this in ap...
Navigation bar appear over the views with new iOS7 SDK
...hod.
Note: You should be using the latest GM release of iOS 7 and Xcode 5 now since the API has changed from beta versions.
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How to disable the highlight control state of a UIButton?
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Any chance you know what the programmatic version of this would be? Right now I've got it working hackishly by making it disabled, and dressing it up as being selected.
– kbanman
Feb 17 '10 at 6:50
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