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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...
Height equal to dynamic width (CSS fluid layout) [duplicate]
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HusseinHussein
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TypeError: Cannot read property 'then' of undefined
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133
You need to return your promise to the calling function.
islogged:function(){
var cUid=ses...
Does overflow:hidden applied to work on iPhone Safari?
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answered Aug 3 '13 at 21:30
Alex HaasAlex Haas
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How to print HTML content on click of a button, but not the page? [duplicate]
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edited May 23 '17 at 12:10
Community♦
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answered Jun 3 '13 at 11:05
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csv.Error: iterator should return strings, not bytes
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Lennart RegebroLennart Regebro
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Under what conditions is a JSESSIONID created?
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329
JSESSIONID cookie is created/sent when session is created. Session is created when your code c...
How do I clone a generic List in Java?
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answered Sep 10 '08 at 18:13
Vinko VrsalovicVinko Vrsalovic
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How do I decode a base64 encoded string?
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answered Aug 20 '11 at 21:37
Matthew AbbottMatthew Abbott
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MySQL/SQL: Group by date only on a Datetime column
...GROUP BY DATE(a_table.mydate);
Or you can GROUP BY the alias as @orlandu63 suggested:
SELECT SUM(foo), DATE(mydate) DateOnly FROM a_table GROUP BY DateOnly;
Though I don't think it'll make any difference to performance, it is a little clearer.
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