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What are sessions? How do they work?
I am just beginning to start learning web application development, using python. I am coming across the terms 'cookies' and 'sessions'. I understand cookies in that they store some info in a key value pair on the browser. But I have a little confusion regarding sessions, in a session too we store da...
How to exit from PostgreSQL command line utility: psql
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TSQL Pivot without aggregate function
...AX of one value = that value..
In this case, you could also self join 5 times on customerid, filter by dbColumnName per table reference. It may work out better.
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How can I format a String number to have commas and round?
What is the best way to format the following number that is given to me as a String?
10 Answers
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Close Window from ViewModel
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You can pass the window to your ViewModel using the CommandParameter. See my Example below.
I've implemented an CloseWindow Method which takes a Windows as parameter and closes it. The window is passed to the ViewModel via CommandParameter. Note that you need to define an x:Name for the...
Quick unix command to display specific lines in the middle of a file?
... an issue with a server and my only log file is a 20GB log file (with no timestamps even! Why do people use System.out.println() as logging? In production?!)
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How to check if mysql database exists
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SELECT SCHEMA_NAME
FROM INFORMATION_SCHEMA.SCHEMATA
WHERE SCHEMA_NAME = 'DBName'
If you just need to know if a db exists so you won't get an error when you try to create it, simply use (From here):
CREATE DATABASE IF NOT EXISTS DBName;...
Is there a way to use shell_exec without waiting for the command to complete?
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How about adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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jQuery Scroll To bottom of the page
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$(window).load(function() {
$("html, body").animate({ scrollTop: $(document).height() }, 1000);
});
Note the use of window.onload (when images are loaded...which occupy height) rather than document.ready.
To be technically correct, you need to subtract the window's height, but the above works...
Remove a git commit which has not been pushed
...you can use origin/master as reference, as suggested by @bdonlan in the comments: git reset --hard origin/master
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