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Difference between array_push() and $array[] =

...ition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and resource-efficient to use $arr[]. share | improve this answer | follow ...
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IEnumerable vs List - What to Use? How do they work?

... IEnumerable describes behavior, while List is an implementation of that behavior. When you use IEnumerable, you give the compiler a chance to defer work until later, possibly optimizing along the way. If you use ToList() you force the compiler to reify the results...
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript

I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ? ...
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Generate a Hash from string in Javascript

I need to convert strings to some form of hash. Is this possible in JavaScript? 22 Answers ...
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Usage of protocols as array types and function parameters in swift

... variant of a problem with protocols in Swift for which no good solution exists yet. See also Extending Array to check if it is sorted in Swift?, it contains suggestions on how to work around it that may be suitable for your specific problem (your question is very generic, maybe you can find a work...
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how do I check in bash whether a file was created more than x time ago?

... share | improve this answer | follow | edited Jun 9 at 21:47 ...
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Why does C# not provide the C++ style 'friend' keyword? [closed]

...riend keyword allows a class A to designate class B as its friend. This allows Class B to access the private / protected members of class A . ...
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Moving average or running mean

Is there a SciPy function or NumPy function or module for Python that calculates the running mean of a 1D array given a specific window? ...
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Does my application “contain encryption”?

... [UPDATE: Using HTTPS is now exempt from the ERN as of late September, 2016] https://stackoverflow.com/a/40919650/4976373 Unfortunately, I believe that your app "contains encryption" in terms of US BIS even if you just use HTTPS (if your app is...
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Should I use != or for not equal in T-SQL?

I have seen SQL that uses both != and <> for not equal . What is the preferred syntax and why? 14 Answers ...