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Looping through the content of a file in Bash
...set inside the loop are lost when it exits (see bash-hackers.org/wiki/doku.php/mirroring/bashfaq/024). This can be very annoying (depending on what you're trying to do in the loop).
– Gordon Davisson
Oct 6 '09 at 0:57
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Is Java really slow?
... Fortran, etc.) can beat it; however, Java can be more than 10x as fast as PHP, Ruby, Python, etc. There are specific areas where it can beat common compiled languages (if they use standard libraries).
There is no excuse for "slow" Java applications now. Developers and legacy code/libraries are to ...
SQL: deleting tables with prefix
...e MySQL to construct the statement for you:
In the MySQL shell or through PHPMyAdmin, use the following query
SELECT CONCAT( 'DROP TABLE ', GROUP_CONCAT(table_name) , ';' )
AS statement FROM information_schema.tables
WHERE table_name LIKE 'myprefix_%';
This will generate a DROP stateme...
Encrypt Password in Configuration Files? [closed]
... Never use it for that. These days, Argon2 is best. See owasp.org/index.php/Password_Storage_Cheat_Sheet and paragonie.com/blog/2016/02/how-safely-store-password-in-2016
– Kimball Robinson
Jul 22 '16 at 18:52
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Can I get the name of the currently running function in JavaScript?
... Perfect. That's when JS does not have native constants like PHP does with Magic constants...
– stamster
Jul 3 '19 at 15:41
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(13: Permission denied) while connecting to upstream:[nginx]
... in order to get audit2allow first. Reference: centos.org/forums/viewtopic.php?t=5012
– gross.jonas
Nov 13 '14 at 9:57
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Should I impose a maximum length on passwords?
...scouraged by OWASP Authentication Cheat Sheet
https://www.owasp.org/index.php/Authentication_Cheat_Sheet
Citing the whole paragraph:
Longer passwords provide a greater combination of characters and consequently make it more difficult for an attacker to guess.
Minimum length of the passwor...
How to convert NSDate into unix timestamp iphone sdk?
...t? Can I use it in my calculations later? I have one UNIX timestamp from a PHP database online and then this one. I want to compare the two in order to make a decision to download the latest data about an object.
– JeroenEijkhof
May 29 '11 at 23:22
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I'm getting Key error in python
...
Argh... horrible, horrible unpythonic code. Don't write PHP code in Python: it's not an array, it's a dictionary (you may call it a hash, but array is right out). And: dicts already have your "keyCheck" function: instead of "keyCheck('key1', myarray, '#default')" you'd do "mydic...
How to use sessions in an ASP.NET MVC 4 application?
I am new to ASP.NET MVC. I have used PHP before and it was easy to create a session and select user records based on the current session variables.
...