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What is the use of the @ symbol in PHP?

...pended to an expression in PHP, any error messages that might be generated by that expression will be ignored. If you have set a custom error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will...
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How do I mock a service that returns promise in AngularJS Jasmine unit test?

... And you killed me yesterday by not showing up in results. Beautiful display of andCallFake(). Thank you. – Priya Ranjan Singh Nov 4 '14 at 4:32 ...
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How can I put a database under git (version control)?

... to make a copy are "stable" as in all of the data is always correct, thereby possibly leaving you with corrupt data. – X-Istence May 11 '09 at 4:28 6 ...
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Git undo local branch delete

...ead this good discussion of how to recover from this kind of error. EDIT: By the way, don't run git gc (or allow it to run by itself - i.e. don't run git fetch or anything similar) or you may lose your commits for ever. sha...
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Calling Objective-C method from C++ member function?

...ctive-C++.) You can implement the above in an Object-Orientented manner by using the PIMPL idiom. The implementation is only slightly different. In short, you place the wrapper functions (declared in "MyObject-C-Interface.h") inside a class with a (private) void pointer to an instance of MyClas...
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Make JQuery UI Dialog automatically grow or shrink to fit its contents

I have a JQuery UI dialog popup that displays a form. By selecting certain options on the form new options will appear in the form causing it to grow taller. This can lead to a scenario where the main page has a scrollbar and the JQuery UI dialog has a scrollbar. This two-scrollbar scenario is un...
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Copy / Put text on the clipboard with FireFox, Safari and Chrome

...d text. You can select a textArea or input field using document.getElementById('myText').select(); To invisibly copy text you can quickly generate a textArea, modify the text in the box, select it, copy it, and then delete the textArea. In most cases this textArea wont even flash onto the screen....
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What does “Object reference not set to an instance of an object” mean? [duplicate]

...odified in such a way that the NullReferenceException should never be seen by a user: static void Main(string[] args) { var exampleClass = new ExampleClass(); var returnedClass = exampleClass.ExampleMethod(); if (returnedClass == null) { //throw a meaningful exception or gi...
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Looking for files NOT owned by someone

...'m looking to recursively look through directories to find files NOT owned by a particular user and I am not sure how to write this. ...
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Visual Studio, debug one of multiple threads

...ow because I can select a subset of threads to freeze. I group the threads by name and can then freeze all the ones running the same code as I am debugging while letting the remaining threads run. I tried using the Erwin Mayer extension, and it worked very well, but it freezes all threads except the...