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What is the session's “secret” option?
...dn't keep the default of something like topsecret. The secret should be a random string of characters. Ideally you would also change it periodically in case it has been discovered. However, this requires support for secret rotation so you don't immediately invalidate existing sessions. That is, two ...
Remove duplicates from a List in C#
... its unbelievable fast... 100.000 strings with List takes 400s and 8MB ram, my own solution takes 2.5s and 28MB, hashset takes 0.1s!!! and 11MB ram
– sasjaq
Mar 25 '13 at 22:28
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Calculate date from week number
...date of the first day in the week (monday here in Europe). I know the year and the week number? I'm going to do this in C#.
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Dashed line border around UIView
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You can set the border with this pattern using Layer and Bezier path like below examples.
Objective-C
CAShapeLayer *yourViewBorder = [CAShapeLayer layer];
yourViewBorder.strokeColor = [UIColor blackColor].CGColor;
yourViewBorder.fillColor = nil;
yourViewBorder.lineDashPattern...
How to use SSH to run a local shell script on a remote machine?
...is a Windows box, you can use Plink (part of PuTTY) with the -m parameter, and it will execute the local script on the remote server.
plink root@MachineB -m local_script.sh
If Machine A is a Unix-based system, you can use:
ssh root@MachineB 'bash -s' < local_script.sh
You shouldn't have to ...
how to remove css property using javascript?
...whatever follows from the definitions set in the stylesheets (through link and style tags). So this syntax will only modify the local style of this element.
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In MySQL, how to copy the content of one table to another table within the same database?
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If table1 is large and you don't want to lock it for the duration of the copy process, you can do a dump-and-load instead:
CREATE TABLE table2 LIKE table1;
SELECT * INTO OUTFILE '/tmp/table1.txt' FROM table1;
LOAD DATA INFILE '/tmp/table1.txt...
How do I escape ampersands in XML so they are rendered as entities in HTML?
...ML text that I wish to render in an HTML page. This text contains an ampersand, which I want to render in its entity representation: &amp; .
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How to add pandas data to an existing csv file?
I want to know if it is possible to use the pandas to_csv() function to add a dataframe to an existing csv file. The csv file has the same structure as the loaded data.
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how to restart only certain processes using supervisorctl?
...rvisord supports process groups. You can group processes into named groups and manage them collectively.
[unix_http_server]
file=%(here)s/supervisor.sock
[supervisord]
logfile=supervisord.log
pidfile=supervisord.pid
[program:cat1]
command=cat
[program:cat2]
command=cat
[program:cat3]
command=ca...