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Escape a string for a sed replace pattern
...capes themselves, forward slash for end of statement and & for replace all):
ESCAPED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD s...
How to disable Django's CSRF validation?
...
If you just need some views not to use CSRF, you can use @csrf_exempt:
from django.views.decorators.csrf import csrf_exempt
@csrf_exempt
def my_view(request):
return HttpResponse('Hello world')
You can find more examples and other scenarios in the Django documentation:
https:/...
How can I check if a background image is loaded?
...t it in CSS — so images are start downloading before css file — it's called preloading.
– jcubic
Feb 20 '11 at 17:05
...
Import regular CSS file in SCSS file?
...port a regular CSS file with Sass's @import command? While I'm not using all of the SCSS syntax from sass, I do still enjoy it's combining/compressing features, and would like to be able to use it without renaming all of my files to *.scss
...
Where to find extensions installed folder for Google Chrome on Mac?
...
You can find all Chrome extensions in below location.
/Users/{mac_user}/Library/Application Support/Google/Chrome/Default/Extensions
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]
...vileges:
CREATE USER 'root'@'ip_address' IDENTIFIED BY 'some_pass';
GRANT ALL PRIVILEGES ON *.* TO 'root'@'ip_address';
If you see %, well then, there's another problem altogether as that is "any remote source". If however you do want any/all systems to connect via root, use the % wildcard to gra...
is_null($x) vs $x === null in PHP [duplicate]
...someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something.
...
Should I URL-encode POST data?
...ould read the documentation here.
Here's the relevant information:
CURLOPT_POST
TRUE to do a regular HTTP POST.
This POST is the normal application/x-www-form-urlencoded kind, most commonly used by HTML forms.
CURLOPT_POSTFIELDS
The full data to post in a HTTP "POST" operation. To post a file, prep...
Random Gaussian Variables
...uller polar method:
public sealed class GaussianRandom
{
private bool _hasDeviate;
private double _storedDeviate;
private readonly Random _random;
public GaussianRandom(Random random = null)
{
_random = random ?? new Random();
}
/// <summary>
/// Obta...
How to delete (not cut) in Vim?
...
Use the "black hole register", "_ to really delete something: "_d.
Use "_dP to paste something and keep it available for further pasting.
For the second question, you could use <C-o>dw. <C-o> is used to execute a normal command without leaving ...