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What is the difference between null and undefined in JavaScript?
I want to know what the difference is between null and undefined in JavaScript.
33 Answers
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How does a ArrayList's contains() method evaluate objects?
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ArrayList implements the List Interface.
If you look at the Javadoc for List at the contains method you will see that it uses the equals() method to evaluate if two objects are the same.
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How to change text transparency in HTML/CSS?
I'm very new to HTML/CSS and I'm trying to display some text as like 50% transparent. So far I have the HTML to display the text with full opacity
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Matlab: Running an m-file from command-line
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A command like this runs the m-file successfully:
"C:\<a long path here>\matlab.exe" -nodisplay -nosplash -nodesktop -r "run('C:\<a long path here>\mfile.m'); exit;"
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How do you check whether a number is divisible by another number (Python)?
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You do this using the modulus operator, %
n % k == 0
evaluates true if and only if n is an exact multiple of k. In elementary maths this is known as the remainder from a division.
In your current approach you perform a division and the result will be either
always a...
Make a link in the Android browser start up my app?
Is it possible to make a link such as:
9 Answers
9
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How to include() all PHP files from a directory?
... answered Mar 1 '09 at 11:44
KarstenKarsten
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Multiple arguments to function called by pthread_create()?
I need to pass multiple arguments to a function that I would like to call on a separate thread. I've read that the typical way to do this is to define a struct, pass the function a pointer to that, and dereference it for the arguments. However, I am unable to get this to work:
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ImportError: No module named requests
...ou have easy_install installed.
Alternatively you can use your systems package manager:
For centos: yum install python-requests
For Ubuntu: apt-get install python-requests
Windows
Use pip install requests (or pip3 install requests for python3) if you have pip installed and Pip.exe added to the ...
Redirect stderr and stdout in Bash
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Take a look here. Should be:
yourcommand &>filename
(redirects both stdout and stderr to filename).
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