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Hash collision in git
...aracter times 40... 160 bits. Now we know 10 bits is approximately 1000 (1024 to be exact) meaning that there are 1 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 different SHA-1 hashes... 1048.
What is this equivalent of? Well the Moon is made up of about 1047 atoms. So if we have ...
How can I split a text into sentences?
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12 Answers
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Format Float to n decimal places
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562
You may also pass the float value, and use:
String.format("%.2f", floatValue);
Documentation
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How to open a file using the open with statement
...the name of a great person: ')
letsgo = filter(text,'Spanish', 'Spanish2')
And no, you don't gain anything by putting an explicit return at the end of your function. You can use return to exit early, but you had it at the end, and the function will exit without it. (Of course with functions ...
Ruby Hash to array of values
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Also, a bit simpler....
>> hash = { "a"=>["a", "b", "c"], "b"=>["b", "c"] }
=>...
Check if a string is null or empty in XSLT
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test="categoryName != ''"
Edit: This covers the most likely interpretation, in my opinion, of...
Do we need semicolon at the end? [duplicate]
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edited Jan 19 '11 at 22:51
answered Oct 23 '10 at 3:00
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What does bundle exec rake mean?
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edited Jan 27 '16 at 22:46
Onato
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Create unique constraint with null columns
..., menu_id, recipe_id)
WHERE menu_id IS NOT NULL;
CREATE UNIQUE INDEX favo_2col_uni_idx ON favorites (user_id, recipe_id)
WHERE menu_id IS NULL;
This way, there can only be one combination of (user_id, recipe_id) where menu_id IS NULL, effectively implementing the desired constraint.
Possible dra...
How do I decode a URL parameter using C#?
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answered Sep 10 '09 at 12:41
TheVillageIdiotTheVillageIdiot
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