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Are NSLayoutConstraints animatable? [duplicate]
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Oh, I see what I was doing wrong now (I was using this pattern before but still with no success)...I was calling setNeedsLayout instead of layoutIfNeeded Surely a DOH moment! Actually just changing a constraint automatically calls setNeedsLayout so I guess ...
Run cron job only if it isn't already running
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Use flock. It's new. It's better.
Now you don't have to write the code yourself. Check out more reasons here: https://serverfault.com/a/82863
/usr/bin/flock -n /tmp/my.lockfile /usr/local/bin/my_script
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How do I trim a file extension from a String in Java?
... -1 for not using the method I thought you were using. That's now a total of +0 from me. Change it quick! ;)
– Michael Myers♦
Jun 2 '09 at 19:18
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PowerShell script not accepting $ (dollar) sign
... the statement in single-quotes instead of the double-quotes you are using now.
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puts vs logger in rails rake tasks
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Rake tasks are run by a user, on a command-line. Anything they need to know right away ("processed 5 rows") should be output on the terminal with puts.
Anything that needs to be kept for posterity ("sent warning email to jsmith@example.com") should be sent to the Rails.logger.
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Is there a way to detach matplotlib plots so that the computation can continue?
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print 'yay'
print 'computation continues...'
print 'that rocks.'
print 'Now lets wait for the graph be closed to continue...:'
p.join()
That has the overhead of launching a new process, and is sometimes harder to debug on complex scenarios, so I'd prefer the other solution (using matplotlib's n...
Modulus % in Django template
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ah yes, that's exactly it. using cycle now, but good for future reference. I wouldn't want to use cycle with modulor 100 or something :) Actually I am goint to mark this answer as the correct one. because it focuses on modulor and not a workaround...
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Correct way to define C++ namespace methods in .cpp file
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Version 2 is unclear and not easy to understand because you don't know which namespace MyClass belongs to and it's just illogical (class function not in the same namespace?)
Version 1 is right because it shows that in the namespace, you are defining the function.
Version 3 is right also be...
Where is body in a nodejs http.get response?
...event when all chunks have been downloaded.
With Node supporting Promises now, I created a simple wrapper to return the concatenated chunks through a Promise:
const httpGet = url => {
return new Promise((resolve, reject) => {
http.get(url, res => {
res.setEncoding('utf8');
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Hibernate JPA Sequence (non-Id)
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I know this is a very old question, but it's showed firstly upon the results and jpa has changed a lot since the question.
The right way to do it now is with the @Generated annotation. You can define the sequence, set the defau...