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Which is the preferred way to concatenate a string in Python?
...esulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
a.append(b):
0.010656118392944336
The end string, therefore, ends up being about 100MB long. That was pret...
Multiple github accounts on the same computer?
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The 3rd link is now broken (Multiple SSH Keys)
– RustyTheBoyRobot
Jun 1 '12 at 14:25
12
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When should I use ugettext_lazy?
...gettext_lazy too? What about form definitions?
Are there any performance diffrences between them?
3 Answers
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Getting a better understanding of callback functions in JavaScript
...
You can just say
callback();
Alternately you can use the call method if you want to adjust the value of this within the callback.
callback.call( newValueForThis);
Inside the function this would be whatever newValueForThis is.
...
How do you read a file into a list in Python? [duplicate]
...ith ends, the file will be closed automatically for you. This is true even if an exception is raised inside of it.
2. use of list comprehension
This could be considered inefficient as the file descriptor might not be closed immediately. Could be a potential issue when this is called inside a funct...
How to log out user from web site using BASIC authentication?
... @davidjb Since synchronous requests are considered deprecated now, an alternative solution might be to redirect the user in the callback of the async request.
– Hayden Schiff
Jul 31 '15 at 20:20
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Using “like” wildcard in prepared statement
...nt was better, after all? I don't have the opportunity to experiment right now.
– BalusC
Dec 23 '15 at 22:47
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C# if/then directives for debug vs release
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Thank you! I don't yet even know what "#defines" are so this is a great solution!
– Tim
Feb 8 '12 at 10:29
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Create a menu Bar in WPF?
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From inside of a Docker container, how do I connect to the localhost of the machine?
...ker host has the IP address 172.17.42.1 on the docker0 network interface.
Now start a new container and get a shell on it: docker run --rm -it ubuntu:trusty bash and within the container type ip addr show eth0 to discover how its main network interface is set up:
root@e77f6a1b3740:/# ip addr show ...