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Best way to merge two maps and sum the values of same key?
...ttle more detail, as per user482745's request.
Mathematically a semigroup is just a set of values, together with an operator that takes two values from that set, and produces another value from that set. So integers under addition are a semigroup, for example - the + operator combines two ints to ...
Evaluating a mathematical expression in a string
This returns the following error:
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Conversion failed when converting date and/or time from character string while inserting datetime
...se settings might work some times - and sometimes not.
The way to solve this is to use the (slightly adapted) ISO-8601 date format that is supported by SQL Server - this format works always - regardless of your SQL Server language and dateformat settings.
The ISO-8601 format is supported by SQL Se...
Make an existing Git branch track a remote branch?
... to make a new branch that tracks remote branches, but how do I make an existing branch track a remote branch?
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if, elif, else statement issues in Bash
I can't seem to work out what the issue with the following if statement is in regards to the elif and then . Keep in mind the printf is still under development I just haven't been able to test it yet in the statement so is more than likely wrong.
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How do I register a DLL file on Windows 7 64-bit?
...t name.dll should be replaced with the name of the DLL that you want to register. For example, if you want to register the iexplore.dll, type regsvr32 iexplore.dll.
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Detect the Enter key in a text input field
I'm trying to do a function if enter is pressed while on specific input.
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Why can't Python parse this JSON data?
I have this JSON in a file:
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Disable browser's back button
How to disable browser's BACK Button (across browsers)?
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Display help message with python argparse when script is called without any arguments
This might be a simple one. Assume I have a program that uses argparse to process command line arguments/options. The following will print the 'help' message:
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