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MongoDB Aggregation: How to get total records count?
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TypeError: Parent.aggregate(...).toArray is not a function this is the error I gave with this solution.
– Mohammad Hossein Shojaeinia
Apr 16 '19 at 11:24
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Detect Windows version in .net
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What about the getOSArchitecture() method? Error: "The name 'getOSArchitecture' does not exist in the current context."
– Lonnie Best
May 21 '10 at 21:08
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How can I detect if a browser is blocking a popup?
... @Surendra please, can you specify what you mean with "not working"? An error at parse time? An error at runtime? The popup opens but it is marked as blocked? The popup is blocked but it is marked as open? I don't see any reason why explorer would fail this, unless calling focus() on NULL is allo...
How to remove a field from params[:something]
... = params.except[the one I wish to remove]
This is a safer way to 'grab' all the params you need into a copy WITHOUT destroying the original passed in params (which is NOT a good thing to do as it will make debugging and maintenance of your code very hard over time).
Or you could just pass direc...
How to convert a normal Git repository to a bare one?
...s inside the .git directory. But I don't know if any of the files are actually changed, so if that fails, you can just do
git clone --bare /path/to/repo
You'll probably need to do it in a different directory to avoid a name conflict, and then you can just move it back to where you want. And yo...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...F below (e.g. naming the Module Regex and the function regex causes #NAME! errors).
In the big text window in the middle insert the following:
Function regex(strInput As String, matchPattern As String, Optional ByVal outputPattern As String = "$0") As Variant
Dim inputRegexObj As New VBScript...
Java: recommended solution for deep cloning/copying an instance
...t hierarchy):
commons-lang SerializationUtils - using serialization - if all classes are in your control and you can force implementing Serializable.
Java Deep Cloning Library - using reflection - in cases when the classes or the objects you want to clone are out of your control (a 3rd party libra...
Importing a Swift protocol in Objective-C class
... you actually build it, following this answer along with the comments, the error will go away.
– Roger Pingleton
Oct 9 '16 at 21:37
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How do I store an array in localStorage? [duplicate]
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if you needed all of them how would you retrieve them?
– Dvid Silva
Nov 16 '13 at 23:29
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What is the difference between return and return()?
...o these lines:
return 1;
var a = 1;
The reason return() throws a syntax error is for the exact reason the following line throws an error (return statement included for comparison):
return(); // SyntaxError: syntax error
var a = (); // SyntaxError: syntax error
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