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How can I filter a Django query with a list of values?
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From the Django documentation:
Blog.objects.filter(pk__in=[1, 4, 7])
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How do I replace a character at a particular index in JavaScript?
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Note that it's generally not a good idea to extend base JavaScript classes. Use a plain utility function instead.
– Ates Goral
Sep 16 '09 at 5:40
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Bash if statement with multiple conditions throws an error
...ions.
tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html
Update
Actually you could still use && and || with the -eq operation. So your script would be like this:
my_error_flag=1
my_error_flag_o=1
if [ $my_error_flag -eq 1 ] || [ $my_error_flag_o -eq 2 ] || ([ $my_error_flag -eq 1 ] ...
Casting to string in JavaScript
... searched for those three options in the jQuery source code, and they are all in use .
I would like to know if there are any differences between them:
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How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
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THIS IS HORRIBLY BAD PRACTICE, and I'm sad it got all those votes. Warnings are not there so that you ignore them. Warnings are there telling you "dude, you're doing something that could be wrong, be careful", and you should only suppress them when you wanna respond like "sh...
Regular expression to match a word or its prefix
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Square brackets are meant for character class, and you're actually trying to match any one of: s, |, s (again), e, a, s (again), o and n.
Use parentheses instead for grouping:
(s|season)
or non-capturing group:
(?:s|season)
Note: Non-capture groups tell the engine that it doesn...
Java SecurityException: signer information does not match
...from directories since those AFAIK cannot be signed).
So either make sure all JARs (or at least those which contain classes from the same packages) are signed using the same certificate, or remove the signatures from the manifest of JAR files with overlapping packages.
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How many random elements before MD5 produces collisions?
...get a unique filename. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder.
8 A...
How can I find the number of days between two Date objects in Ruby?
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all of these steered me to the correct result, but I wound up doing
DateTime.now.mjd - DateTime.parse("01-01-1995").mjd
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What are “sugar”, “desugar” terms in context of Java 8?
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sugar, in programming, usually refers to those sweet additions, mostly shortcuts, that make some constructs easier to type and to read (the latter being, in practice, the most important during the life cycle of your program).
Wikipedia has a definiti...