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Functional programming - is immutability expensive? [closed]
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106
Since there are a few misconceptions flying around here, I’d like to clarify some points.
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How to define two fields “unique” as couple
... exactly what you want.
For example:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=Tr...
Applying a git post-commit hook to all current and future repos
...rent (and future) git repositories I am working on
With git 2.9+ (June 2016), all you would do is:
git config --global core.hooksPath /path/to/my/centralized/hooks
See "change default git hooks": this has been done to manage centralized hooks.
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How to show popup message like in Stack Overflow
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154
EDIT: The code below shows how to replicate the bars that show at the top of the screen when y...
Logger slf4j advantages of formatting with {} instead of string concatenation
...lly significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1.6 covers (only) the majority of use cases. The API designers have provided ...
How to read from a file or STDIN in Bash?
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15 Answers
15
Active
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Define preprocessor macro through CMake?
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edited Jul 22 '19 at 17:12
jww
1
answered Jan 26 '12 at 11:42
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How to update a single library with Composer?
I need to install only 1 package for my SF2 distribution (DoctrineFixtures).
8 Answers
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Why does the CheckBoxFor render an additional input tag, and how can I get the value using the FormC
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168
Have a look here:
http://forums.asp.net/t/1314753.aspx
This isn't a bug, and is in fact t...
Necessary to add link tag for favicon.ico?
...ath for cache-busting purposes:
<link rel="icon" href="/favicon.ico?v=1.1">
Favicons are very heavily cached and this a great way to ensure a refresh.
Footnote about default location:
As far as the first bit of the question: all modern browsers would detect a favicon at the default loc...