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What is a callback function?

...allback function is a function which is: accessible by another function, and is invoked after the first function if that first function completes A nice way of imagining how a callback function works is that it is a function that is "called at the back" of the function it is passed into. Maybe ...
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What is the difference between Reader and InputStream?

What is the difference between Reader and InputStream? And when to use what? If I can use Reader for reading characters why I will use inputstream, I guess to read objects? ...
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How to show math equations in general github's markdown(not github's blog)

...ed by the SunDown (ex libUpSkirt) library. The motto of the library is "Standards compliant, fast, secure markdown processing library in C". The important word being "secure" there, considering your question :). Indeed, allowing javascript to be executed would be a bit off of the MarkDown standar...
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Difference between freeze and seal

I just heard about the JavaScript methods freeze and seal , which can be used to make any Object immutable. 8 Answers ...
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Libraries do not get added to APK anymore after upgrade to ADT 22

I have a rather big Android App project that is referencing several library projects. Everything was fine until i upgraded the eclipse ADT plugin to the newest version (v22). I also upgraded the SDK of course. I do not see any compile errors in eclipse, but when i run the project on the phone i get ...
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How to “return an object” in C++?

...t of the problem (I know the difference between having things on the stack and putting them on the heap). 8 Answers ...
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How to export a Vagrant virtual machine to transfer it

I have a vagrant box up and running (configured with a LAMP stack). I need to transfer it to another PC. How can I export it? I guess that I can get a file (or files) that can be copied to another PC, so there I can run some command to import the vagrant box. ...
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Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. ...
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load and execute order of scripts

...ipts are held until all external scripts that came before them have loaded and run. Async scripts (regardless of how they are specified as async) load and run in an unpredictable order. The browser loads them in parallel and it is free to run them in whatever order it wants. There is no predictab...
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How to concatenate two numbers in javascript?

... Ok so, suposing the values 5 and 6 are in two variables: var1 = 5; var2 = 6; will it still work – Heidi Nov 12 '09 at 17:03 4 ...