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How to check if array is empty or does not exist? [duplicate]
What's the best way to check if an array is empty or does not exist?
1 Answer
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Eclipse Build Path Nesting Errors
... class. The professor asked us to use a folder structure that is slightly different than the default dynamic web project structure. Rather than using the webcontent folder he wants all of our source code under src/main/java and src/main/webapp.
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What is the meaning of the term “free function” in C++?
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let's say we have our main function in a different file and inside it we need to call a free function , so what should I do to have free functions in some other file that I will include it later in my main file ?? I mean should I make a hpp file where my free functio...
How to reset Django admin password?
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@user794916 That's rather strange choice if you don't remember the username. :-)
– DrTyrsa
Jun 15 '11 at 13:44
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How to import Google Web Font in CSS file?
... can't include anything thing in the HEAD of the document. I was wondering if there was a way to import the web font from within the CSS file?
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Why not use exceptions as regular flow of control?
...s quite complex (it was a distributed calculation server), and a slight modification at one side of the program could easily break something in a totally different place.
I wish I could just have launched the program and wait for exceptions to occur, but there were around 200 exceptions during the ...
How can I set NODE_ENV=production on Windows?
...shell, so use:
$env:NODE_ENV="production"
Per @jsalonen's answer below. If you're in CMD (which is no longer maintained), use
set NODE_ENV=production
This should be executed in the command prompt where you intend to run your Node.js application.
The above line would set the environment variab...
How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
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From the python 2 manual:
CPython implementation detail: Objects of different types except numbers are ordered by their type names; objects of the same types that don’t support proper comparison are ordered by their address.
When you order two strings or two numeric types the ordering is d...
C# static class constructor
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To be fair, the original poster did specifically ask about a constructor for a static class.
– Jared S
Jul 17 '11 at 4:14
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PowerShell equivalent to grep -f
I'm looking for the PowerShell equivalent to grep --file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
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