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MySQL select 10 random rows from 600K rows fast
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When I was interviewing with Facebook back in 2010, they asked me how to select a random record from a huge file of unknown size, in one reading. Once you come up with an idea, it is easy to generalize it for selecting multiple records. So yes, sorting the entire file ...
How can you list the matches of Vim's search?
...+=**/node_modules/**
" use perl regexes - src: http://andrewradev.com/2011/05/08/vim-regexes/
noremap / /\v
"
" STOP search related configs and helps
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Should I hash the password before sending it to the server side?
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If you don't trust HTTPS every single effort is pointless! Your code itself is shipped through the wire and an attacker can modify/replace ...
Good scalaz introduction [closed]
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edited Feb 6 '11 at 20:51
answered Feb 1 '11 at 16:17
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How to style input and submit button with CSS?
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Dave
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answered Jun 11 '13 at 10:50
Nick RNick R
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Disabling Chrome cache for website development
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answered Aug 9 '11 at 18:20
SteveSteve
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Extract hostname name from string
...om/watch?v=ClkQA2Lb_iE"));
console.log(extractHostname("http://localhost:4200/watch?v=ClkQA2Lb_iE"));
Regardless having the protocol or even port number, you can extract the domain. This is a very simplified, non-regex solution, so I think this will do.
*Thank you @Timmerz, @renoirb, @rinee...
How do I parse command line arguments in Bash?
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answered Jan 7 '13 at 20:01
Bruno BronoskyBruno Bronosky
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How do you set a default value for a MySQL Datetime column?
...--+
| str | ts |
+------+---------------------+
| demo | 2008-10-03 22:59:52 |
+------+---------------------+
1 row in set (0.00 sec)
mysql>
**CAVEAT: IF you define a column with CURRENT_TIMESTAMP ON as default, you will need to ALWAYS specify a value for this column or the ...
Write applications in C or C++ for Android? [closed]
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