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selecting unique values from a column
...licates
BTW: using explicit column names in SELECT uses less resources in PHP when you're getting a large result from MySQL
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What is the best way to prevent session hijacking?
...nt != $_SESSION['ident'])
{
end_session();
header("Location: login.php");
// add some fancy pants GET/POST var headers for login.php, that lets you
// know in the login page to notify the user of why they're being challenged
// for login again, etc.
}
What this does is capture ...
How to convert a string to lower case in Bash?
...uby`
Or Perl (probably my favorite):
b=`perl -e "print lc('$a');"`
Or PHP:
b=`php -r "print strtolower('$a');"`
Or Awk:
b=`echo "$a" | awk '{ print tolower($1) }'`
Or Sed:
b=`echo "$a" | sed 's/./\L&/g'`
Or Bash 4:
b=${a,,}
Or NodeJS if you have it (and are a bit nuts...):
b=`e...
Jquery to change form action
...e jQuery.attr() in your click handler:
$("#myform").attr('action', 'page1.php');
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PL/SQL, how to escape single quote in a string?
In the Oracle PL/SQL, how to escape single quote in a string ? I tried this way, it doesn't work.
4 Answers
...
Get content uri from file path in android
...nt URL as exact what you want. Instead there will be file Uri.
I had same question for my file explorer activity. You should know that the contenturi for file only supports mediastore data like image, audio and video. I am giving you the code for getting image content uri from selecting an image fr...
Search and replace in Vim across all the project files
...e commands using whatever grep tool you have installed. No extra plugins required!:
1. :grep <search term>
2. :cdo %s/<search term>/<replace term>/gc
3. (If you want to save the changes in all files) :cdo update
(cdo executes the given command to each term in the quickfix list, ...
JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...RE root run:
for /r %f in (*.pack) do "%JAVA_HOME%\bin\unpack200.exe" -r -q "%f" "%~pf%~nf.jar"
*nix
To unpack one .pack file (for example rt.pack), run:
/usr/bin/unpack200 -r -v rt.pack rt.jar
To recursively unpack all .pack files, from the JRE root run:
find -iname "*.pack" -exec sh -c "/u...
git:// protocol blocked by company, how can I get around that?
...actual problem.
Diagnosing the Problem
References: https://superuser.com/q/621870/203918 and https://unix.stackexchange.com/q/11756/57414
There are several tools we can use to determine if the firewall causing our problem - use whichever is installed on your system.
# Using nmap
# A state of "fi...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...tions. This SE clears up the difference between the two: stackoverflow.com/questions/27539262/…
– John Ernest
Jul 14 '19 at 20:40
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