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Detecting 'stealth' web-crawlers
... talking about these kinds of schemes who want to block anyone who tops 5-10 hits in a second, which may generate false positives on image-heavy pages (unless images are excluded from the tally) and will generate false positives when someone like me finds an interesting site that he wants to read al...
jQuery to retrieve and set selected option value of html select element
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edited Aug 3 '09 at 12:18
answered Aug 3 '09 at 12:07
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PHP Get Site URL Protocol - http vs https
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70
It is not automatic. Your top function looks ok.
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Java String array: is there a size of method?
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Yes, .length (property-like, not a method):
String[] array = new String[10];
int size = array.length;
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MySQL Workbench: How to keep the connection alive
Error Code: 2013. Lost connection to MySQL server during query
9 Answers
9
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What is a “static” function in C?
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700
static functions are functions that are only visible to other functions in the same file (more ...
How do I catch an Ajax query post error?
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310
Since jQuery 1.5 you can use the deferred objects mechanism:
$.post('some.php', {name: 'John'})...
SQL command to display history of queries
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edited Jun 10 '14 at 6:36
Baby Groot
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Rails: select unique values from a column
...rails 5+
Model.distinct.pluck(:rating)
Update
Apparently, as of rails 5.0.0.1, it works only on "top level" queries, like above. Doesn't work on collection proxies ("has_many" relations, for example).
Address.distinct.pluck(:city) # => ['Moscow']
user.addresses.distinct.pluck(:city) # => [...
Save PL/pgSQL output from PostgreSQL to a CSV file
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1402
Do you want the resulting file on the server, or on the client?
Server side
If you want somet...