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How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...that implies quiting, but for an interactive program that has some sort of read-eval-print loop, it can mean give up on the current eval and go back to reading user input. I think less does that on sigint.
– bdsl
Jan 19 '17 at 8:15
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What is the use of “assert” in Python?
I have been reading some source code and in several places I have seen the usage of assert .
21 Answers
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What database does Google use?
...s about 100 tablets. This setup allows tablets from a single table to be spread among many servers. It also allows for fine-grained load balancing. If one table is receiving many queries, it can shed other tablets or move the busy table to another machine that is not so busy. Also, if a machine goes...
CURL alternative in Python
...rs = {'Accept' : 'application/xml'})
result = director.open(req)
# result.read() will contain the data
# result.info() will contain the HTTP headers
# To get say the content-length header
length = result.info()['Content-Length']
Your cURL call using urllib2 instead. Completely untested.
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How can I select random files from a directory in bash?
...a script that uses GNU sort's random option:
ls |sort -R |tail -$N |while read file; do
# Something involving $file, or you can leave
# off the while to just get the filenames
done
share
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Is String.Contains() faster than String.IndexOf()?
... about are minute - the point is one calls the other, and Contains is more readable if you don't need the index. In other words don't worry about it.
– Chris S
Nov 15 '15 at 18:17
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How to remove/change JQuery UI Autocomplete Helper text?
... As you said, it's used for accessibility so people with screen readers can understand the widget better. By using display: none; you hide it from screen readers as well. Better to move it of screen with position: absolte; left:-999em;
– Daniel Göransson
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sed edit file in place
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@PetrPeller: Really? If you read the question carefully, you would understand that the OP is trying to avoid something like, sed 's/foo/bar/g' file.txt > file.tmp && mv file.tmp file.txt. Just because in-place editing does the rename using a ...
What is ActiveMQ used for - can we apply messaging concept using a Database?
...ctiveMQ. For example, applications A and B could create qeues A.B and B.A (read: messages for A from B and the other way round) and send messages for each other to the matching queue.
– Alex
Nov 10 '16 at 13:08
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Odd behavior when Java converts int to byte?
...int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that number
For exam...