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Editing in the Chrome debugger
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Crucial for me was to know that changes should be saved (step 4). Thanks!
– Sergey Goliney
Sep 14 '16 at 8:28
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
...s way:
try:
code_that_executes_bad_query()
# transaction on DB is now bad
except:
pass
# transaction on db is still bad
code_that_executes_working_query() # raises transaction error
There nothing wrong with the second query, but since the real error was caught, the second query is th...
Learning Regular Expressions [closed]
... to what you might think of as cautious, add an extra ? to the quantifier. Now you understand how \((.+?)\), the example from your question works. It matches the sequence of a literal left-parenthesis, followed by one or more characters, and terminated by a right-parenthesis.
If your input is '(123...
What does @media screen and (max-width: 1024px) mean in CSS?
...se a media statement which detects you on a desktop not mobile, and you're now at below 720px for example?
– wharfdale
Jul 14 '15 at 7:59
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How to terminate a python subprocess launched with shell=True
...hell in your case. This will make it the group leader of the processes. So now, when a signal is sent to the process group leader, it's transmitted to all of the child processes of this group.
Here's the code:
import os
import signal
import subprocess
# The os.setsid() is passed in the argument p...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
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From the web point of view common knowledge (Internet, comments from experts) suggest that greatly increasing the max. number of request threads is a bad thing in blocking IO (making processing of requests even slower) due to memory increase and context switch...
What is the C++ function to raise a number to a power?
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pow(double, int);
pow(long double, long double);
pow(long double, int);
Now you can't just do
pow(2, N)
with N being an int, because it doesn't know which of float, double, or long double version it should take, and you would get an ambiguity error. All three would need a conversion from int ...
Shortcut to exit scale mode in VirtualBox [closed]
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I don't know why this is voted down. It's correct; it does answer the question; and knowing the Host + Home key combination is useful because that's the only thing you need to know in order to access the menu -- that being the actual ...
Git/GitHub can't push to master
...o an issue. I created a test project and added it to the local repository. Now I am trying to add files/project to the remote repository.
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Textarea to resize based on content length [duplicate]
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i know that this is an old post but when I print the textarea, if the whole content does not fit in the first page, the whole contecnt goes to the second page and creates unwanted spaces on the first page. How can I split the te...