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Appending a line to a file only if it does not already exist
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How do I create an empty array/matrix in NumPy?
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edited Apr 1 '10 at 12:10
Peter Mortensen
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Check if a Postgres JSON array contains a string
...ents on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(info->'food') as food
d(# where food::text = '"carr...
What's Pros and Cons: putting javascript in head and putting just before the body close
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answered Mar 16 '10 at 0:39
David JohnstoneDavid Johnstone
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Find location of a removable SD card
...() {
Map<String, File> map = new HashMap<String, File>(10);
List<String> mMounts = new ArrayList<String>(10);
List<String> mVold = new ArrayList<String>(10);
mMounts.add("/mnt/sdcard");
mVold.add("/mnt/sdcard");
tr...
Browser detection in JavaScript? [duplicate]
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answered Mar 8 '10 at 14:15
kennebeckennebec
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How do I put double quotes in a string in vba?
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edited Feb 13 '19 at 10:44
answered Jul 19 '16 at 11:08
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Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
...ReverseTable256[] =
{
0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34,...
What is in your .vimrc? [closed]
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104
votes
You asked for it :-)
"{{{Auto Commands
" Automatically cd into the direct...