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Postgres could not connect to server
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864
Had a similar problem; a pid file was blocking postgres from starting up. To fix it:
$ rm /usr...
Hidden features of HTML
...Caveat: When used on a <link> or @import for a stylesheet, IE7 and IE8 download the file twice. All other uses, however, are just fine.
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edited Apr 14 '10 at 19:39
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Double vs. BigDecimal?
...on" (more digits).
– jspinella
Oct 18 '19 at 14:32
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Number of processors/cores in command line
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138
nproc is what you are looking for.
More here : http://www.cyberciti.biz/faq/linux-get-number-of...
When monkey patching an instance method, can you call the overridden method from the new implementat
...by 1.9, there is some nifty new syntax for that (.()), but if you are on 1.8, you can simply use the call method; that’s what .() gets translated to anyway.
Here are a couple of other questions, where some of those concepts are explained:
How do I reference a function in Ruby?
Is Ruby’s code ...
Insert, on duplicate update in PostgreSQL?
...example of doing what you possibly want to do, in the manual:
Example 38-2. Exceptions with UPDATE/INSERT
This example uses exception handling to perform either UPDATE or INSERT, as appropriate:
CREATE TABLE db (a INT PRIMARY KEY, b TEXT);
CREATE FUNCTION merge_db(key INT, data TEXT) RET...
Generating a random password in php
... $alphabet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890';
$pass = array(); //remember to declare $pass as an array
$alphaLength = strlen($alphabet) - 1; //put the length -1 in cache
for ($i = 0; $i < 8; $i++) {
$n = rand(0, $alphaLength);
$pass[]...
jQuery and TinyMCE: textarea value doesn't submit
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181
Before submitting the form, call tinyMCE.triggerSave();
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When does a process get SIGABRT (signal 6)?
...dic Mainframe
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How to get screen width without (minus) scrollbar?
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