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PHP Multidimensional Array Searching (Find key by specific value)
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mukama
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answered Nov 12 '11 at 3:05
Aurelio De RosaAurelio De Rosa
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Entity Attribute Value Database vs. strict Relational Model Ecommerce
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answered May 15 '09 at 21:44
JavierJavier
55.7k77 gold badges7474 silver badges119119 bronze badges
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How to make a class property? [duplicate]
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edited Feb 1 '18 at 21:37
martineau
90.1k1919 gold badges124124 silver badges230230 bronze badges
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2 column div layout: right column with fixed width, left fluid
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edited Apr 21 '16 at 21:57
Dave Koo
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answered Mar 4 ...
How to get IP address of the device from code?
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211
This worked for me:
WifiManager wm = (WifiManager) getSystemService(WIFI_SERVICE);
String ip ...
Compile time string hashing
...o rvalue conversion, and I'm not sure I understand the rules in §5.19/2/6/21 and §4.1 well enough to be sure about that.
From a practical viewpoint, this code is accepted by (for one example) g++, at least as far back as g++ 4.7.1.
Usage would be something like:
switch(std::hash(value)) {
c...
How to get certain commit from GitHub project
...ut 441b034635240bc873700473af3e98533e94a0b5, this gives an error: fatal: reference is not a tree: 441b034635240bc873700473af3e98533e94a0b5
– ttb
Mar 13 at 17:35
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What character to use to put an item at the end of an alphabetic list?
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– Devil's Advocate
Jun 28 '16 at 21:05
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If the "Private Use" > < character renders ...
How do you convert a byte array to a hexadecimal string, and vice versa?
...70 (39.5X faster)
Lookup/Shift (via Nathan Moinvaziri)
Text: 23,201.23 (21.4X faster)
Sentence: 1.24 (22.3X faster)
Lookup by nibble (via Brian Lambert)
Text: 23,879.41 (20.8X faster)
Sentence: 1.15 (23.9X faster)
BitConverter (via Tomalak)
Text: 113,269.34 (4.4X faster)
Sentence: 9.98 (2.8...
How to generate random SHA1 hash to use as ID in node.js?
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243,583,606,221,817,150,598,111,409x more entropy
I'd recommend using crypto.randomBytes. It's not sha1, but for id purposes, it's quicker, and just as "random".
var id = crypto.randomBytes(20).toString('hex');
//=> f26d60305dae929ef...