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How do I cast a variable in Scala?
...2D] method, but with greater flexibility. For example, you could provide different branches for various types, effectively performing multiple conditional casts at the same time. Finally, you don't really need to throw an exception in the catch-all area, you could also return null (or preferably, ...
Submitting a form by pressing enter without a submit button
...er but not displaying a submit button. I don't want to get into JavaScript if possible since I want everything to work on all browsers (the only JS way I know is with events).
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How to make div background color transparent in CSS
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@Subir if you need another way, see Jerska's answer. But as said, it seems questionable why you want to avoid opacity in the first place.
– Pekka
Aug 4 '12 at 9:07
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How to step through Python code to help debug issues?
...tack frame
p: to print the value of an expression in the current context
If you don't want to use a command line debugger, some IDEs like Pydev, Wing IDE or PyCharm have a GUI debugger. Wing and PyCharm are commercial products, but Wing has a free "Personal" edition, and PyCharm has a free communi...
MySQL pagination without double-querying?
I was wondering if there was a way to get the number of results from a MySQL query, and at the same time limit the results.
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How to extract public key using OpenSSL?
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If you got the same problem as @kavain where it asks you for the passphrase you didn't put, and you're using your key with ssh -i, make sure you're linking to your private key there, not the public one
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Using pip behind a proxy with CNTLM
... from the config and replace them with the generated passwords.
To check if working:
Windows cntlm –M http://www.google.com
Ubuntu/Linux sudo cntlm -M http://www.google.com/
For more detailed instructions, see links above.
Update:
Just for completeness sake, I was able to configure and use...
Capturing multiple line output into a Bash variable
...how is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (echo "$RESULT") preserves internal spacing of the value exactly as it is represented in the variable — newlines, tabs, multiple blanks and all — whereas (2)...
how to remove only one style property with jquery
...t setting the style property to the empty string will remove that property if it does not reside in a stylesheet:
Setting the value of a style property
to an empty string — e.g.
$('#mydiv').css('color', '') — removes
that property from an element if it
has already been directly appli...
Applying function with multiple arguments to create a new pandas column
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This is a useful solution. If the size of input arguments to the function x and y are not equal, you get an error. In that case, the @RomanPekar solution works without any problem. I didn't compare the performance.
– Ehsan Sadr
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