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Sqlite primary key on multiple columns
...umentation, it's
CREATE TABLE something (
column1,
column2,
column3,
PRIMARY KEY (column1, column2)
);
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Why use iterators instead of array indices?
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edited Oct 10 '19 at 13:08
einpoklum
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How to get the current directory in a C program?
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edited Aug 30 '18 at 6:51
isnullxbh
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Tell Ruby Program to Wait some amount of time
...ience syntax:
sleep(4.minutes)
# or, even longer...
sleep(2.hours); sleep(3.days) # etc., etc.
# or shorter
sleep(0.5) # half a second
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Convert an image to grayscale in HTML/CSS
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731
Support for CSS filters has landed in Webkit. So we now have a cross-browser solution.
im...
Can iterators be reset in Python?
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answered Jul 16 '10 at 16:39
Alex MartelliAlex Martelli
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How can we run a test method with multiple parameters in MSTest?
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edited Jul 28 at 21:13
Peter Mortensen
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Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS
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There was a bug in chrome, try the latest version, also on your webpack config try using differe...
Import CSV to SQLite
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NumesSanguisNumesSanguis
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
...On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "long" message (this is wh...