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Any reason not to use '+' to concatenate two strings?
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I have done a quick test:
import sys
str = e = "a xxxxxxxxxx very xxxxxxxxxx long xxxxxxxxxx string xxxxxxxxxx\n"
for i in range(int(sys.argv[1])):
str = str + e
and timed it:
mslade@mickpc:/binks/micks/ruby/tests$ time python /binks/m...
How to get the current time in milliseconds from C in Linux?
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@vitaly.v.ch I did a test, passing the tz param of gettimeofday() as &(struct timezone tz = {480, 0}) won't get any warning, and it don't have any effect to the result, that makes sense, since the long representation of time is not relevant t...
How to get the mouse position without events (without moving the mouse)?
... is implementable without having to much CPU load (I think. I haven't been testing it). On dom ready build the <a> elements with javascript, take the mouse postion and then remove all <a> elements. On mousemouse you should have other function to take the mouse position. Anyway, this was ...
git clone through ssh
...ile ~/.ssh/id_rsa
Step 4:
git clone git@gitlab.com:<username>/test2.git
Step 5:
When you finished Step 4
1.the test2.git file will be download done
2.you will get the new file(known_hosts) in the ~/.ssh
PS: I create the id_rsa and id_rsa.ub by meself and I deliver it to the Gitlab...
How to check if a file exists in a folder?
... log.Info(fi.Exists);
or File.Exists Method:
string curFile = @"c:\temp\test.txt";
Console.WriteLine(File.Exists(curFile) ? "File exists." : "File does not exist.");
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How to add multiple objects to ManyToMany relationship at once in Django ?
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@KlaasvanSchelven: I don't remember testing this through the generated sql, but based on my comment I'm pretty sure I just took a glance at the source code. Keep in mind that this was over 2 years ago, so I would hope that things had been optimized a bit.
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...etting SO_REUSEADDR on another socket has no effect if the two sockets are tested for an address conflict. E.g. if socketA is bound to a wildcard address and socketB has SO_REUSEADDR enabled and is bound to a non-wildcard address and the same port as socketA, this bind will normally succeed, unless ...
Is the Javascript date object always one day off?
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yes i have tested this all, and its really strange.
– chintan adatiya
Jun 22 '16 at 16:18
28
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Matplotlib (pyplot) savefig outputs blank image
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First, what happens when T0 is not None? I would test that, then I would adjust the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with...
MySQL maximum memory usage
...efault 480mb to mere 100 mbs
docker run -d -p 3306:3306 -e MYSQL_DATABASE=test -e MYSQL_ROOT_PASSWORD=tooor -e MYSQL_USER=test -e MYSQL_PASSWORD=test -v /mysql:/var/lib/mysql --name mysqldb mysql --table_definition_cache=100 --performance_schema=0 --default-authentication-plugin=mysql_native_passwo...