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Why use make over a shell script?
... other sort of tree analysis that determines what depends on what and what order to build the out-of-date things such that every prerequisite is built before every dependency, and only built once.
It's a language for declarative programming. New elements can be added without needing to merge them in...
Can I 'git commit' a file and ignore its content changes?
... locally of in the .git folder? I mean, if I run this command for a config.php file, will this propagate to other users that are using the repo?
– Magus
Feb 10 '15 at 0:01
16
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Is 1.0 a valid output from std::generate_canonical?
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Shuffle an array with python, randomize array item order with python
What's the easiest way to shuffle an array with python?
11 Answers
11
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Reset/remove CSS styles for element only
...background : 0;
background-attachment : scroll;
background-clip : border-box;
background-color : transparent;
background-image : none;
background-origin : padding-box;
background-position : 0 0;
background-position-x : 0;
background-position-y : 0;
background-repe...
What are the underlying data structures used for Redis?
...ess just the top or bottom items, or when N is small.
Sets
Sets are an unordered data collection, so they are good every time you have a collection of items and it is very important to check for existence or size of the collection in a very fast way. Another cool thing about sets is support for pe...
Hidden Features of SQL Server
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A less known TSQL technique for returning rows in random order:
-- Return rows in a random order
SELECT
SomeColumn
FROM
SomeTable
ORDER BY
CHECKSUM(NEWID())
share
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What is normalized UTF-8 all about?
The ICU project (which also now has a PHP library ) contains the classes needed to help normalize UTF-8 strings to make it easier to compare values when searching.
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Sorting multiple keys with Unix sort
... @Arun POS is explained at the end of the man page. You just append the ordering options to the field number like this: sort -k 3,3nr -k 2,2
– andras
Aug 4 '17 at 15:03
1
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Rails has_and_belongs_to_many migration
...le with only a restaurant_id and user_id (no primary key), in alphabetical order.
First run your migrations, then edit the generated migration file.
Rails 3
rails g migration create_restaurants_users_table
Rails 4:
rails g migration create_restaurants_users
Rails 5
rails g migration Create...