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How do you use script variables in psql?
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Postgres variables are created through the \set command, for example ...
\set myvariable value
... and can then be substituted, for example, as ...
SELECT * FROM :myvariable.table1;
... or ...
SELECT * FROM table1 WHERE :myvariable IS NULL;
edit: As of psql 9....
How do I see a C/C++ source file after preprocessing in Visual Studio?
... This helps a lot since it uses the build configuration already set up in the project to find all the right headers.
– IanH
Nov 6 '15 at 19:45
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What is the best Distributed Brute Force countermeasure?
...ers get bothered as little as possible.
In my scheme, this is achieved by setting a very restrictive maximum number of failed login attempts by unapproved IPs over, say, a 3-hour period (it may be wiser to use a shorter or longer period depending on type of service), and making that restriction glo...
Run ssh and immediately execute command [duplicate]
I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example:
3 Answers
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CodeIgniter: How to get Controller, Action, URL information
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11 Answers
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MongoDB: update every document on one field
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Regardless of the version, for your example, the <update> is:
{ $set: { lastLookedAt: Date.now() / 1000 } }
However, depending on your version of MongoDB, the query will look different. Regardless of version, the key is that the empty condition {} will match any document. In the Mongo s...
Execute script after specific delay using JavaScript
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There is the following:
setTimeout(function, milliseconds);
function which can be passed the time after which the function will be executed.
See: Window setTimeout() Method.
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Is there a pretty print for PHP?
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Remember to set html_errors = on in php.ini to get pretty printing of var_dump() in combination with xdebug.
share
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Hiding textarea resize handle in Safari
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What if I want to show it on hover after I've set resize:none ?
– Michael Forrest
Sep 24 '10 at 11:33
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Add new value to an existing array in JavaScript [duplicate]
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You don't need jQuery for that. Use regular javascript
var arr = new Array();
// or var arr = [];
arr.push('value1');
arr.push('value2');
Note: In javascript, you can also use Objects as Arrays, but still have access to the Array prototypes. Th...