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Regular expression to allow spaces between words
...tl;dr
Just add a space in your character class.
^[a-zA-Z0-9_ ]*$
Now, if you want to be strict...
The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match:
An empty string, "".
A string...
How can I get the diff between all the commits that occurred between two dates with Git?
...
@brbob I know this was answered a long time ago, but just for someone who stumbles upon this (as I did) Git help says: The command is kept primarily for historical reasons; fingers of many people who learned Git long before git log was...
what is “strict mode” and how is it used?
...e code.
// app.js whole script in strict mode syntax
“use strict”;
// Now you can start writing your code
Strict mode for function:
To Invoke strict mode for a function, put the exact statement “use strict”; in the start of function body before any other statement.
function yourFunc()...
Set CSS property in Javascript?
...rst line had single quotes as I copied it from the OPs question. Corrected now anyway.
– djdd87
Mar 4 '11 at 15:04
1
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Postgresql - change the size of a varchar column to lower length
...ne tries to update anything on that row it's going to reject it as too big now, at the point it goes to store the new version of the row. Hilarity ensues for the user.
VARCHAR is a terrible type that exists in PostgreSQL only to comply with its associated terrible part of the SQL standard. If you...
android splash screen sizes for ldpi,mdpi, hdpi, xhdpi displays ? - eg : 1024X768 pixels for ldpi
... reason you should increase +2 pixel your canvas size's width and height ( now your image sizes are 722 x 1282 ).
I've left the blank 1 pixel gap at every side as directed the below.
Changing the canvas size by using Photoshop:
- Open a splash screen png file in Photoshop
- Click onto the lock ...
Simulating Slow Internet Connection
I know this is kind of an odd question. Since I usually develop applications based on the "assumption" that all users have a slow internet connection. But, does anybody think that there is a way to programmatically simulate a slow internet connection, so I can "see" how an application performs under...
Export from sqlite to csv using shell script
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Great, thanks, now it's working! (and it's needed ">>" instead of ">", but I'm a newbei in linux :D)
– Rorro
Apr 25 '11 at 11:15
...
Disable cache for some images
...to prevent caching was:
Cache-Control = 'no-store'
For completeness i'm now using all 3 of 'no-cache, no-store, must-revalidate'
So in my case (serving dynamically generated images out of Flask in Python), I had to do the following to hopefully work in as many browsers as possible...
def make_u...
Django Server Error: port is already in use
... 0 0 :::3306 :::* LISTEN
So now just close the port in which Django/python running already by killing the process associated with it.
kill -9 PID
in my case
kill -9 6599
Now run your Django app.
...