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Generating a UUID in Postgres for Insert statement?
...T EXISTS "uuid-ossp";
but for 9.0 and below you must instead run the SQL script to load the extension. See the documentation for contrib modules in 8.4.
For Pg 9.1 and newer instead read the current contrib docs and CREATE EXTENSION. These features do not exist in 9.0 or older versions, like your...
Test if executable exists in Python?
...es of the PATHEXT env var because command is as valid as command.com as is script vs script.bat
– Lekensteyn
Dec 2 '11 at 8:47
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start MySQL server from command line on Mac OS Lion
...er "exit" to exit the shell)
You can also add these to your bash startup scripts:
export MYSQL_HOME=/usr/local/mysql
alias start_mysql='sudo $MYSQL_HOME/bin/mysqld_safe &'
alias stop_mysql='sudo $MYSQL_HOME/bin/mysqladmin shutdown'
...
Error - trustAnchors parameter must be non-empty
...nd regenerate it in the manner described on the last row of the workaround script at the top of the post.
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How can I force Powershell to return an array when a call only returns one object?
...place '\s',''
$DeserializedJson = (New-Object -TypeName System.Web.Script.Serialization.JavaScriptSerializer -Property @{MaxJsonLength=67108864}).DeserializeObject($asJson)
}
$vmObjects is the output of Get-AzureRmVM.
I pass $DeserializedJson to the deployment template' parameter (of ty...
Checking for empty arrays: count vs empty
...
I was curious to see which one was actually faster so I made a simple script to benchmark those functions.
<?php
function benchmark($name, $iterations, $action){
$time=microtime(true);
for($i=0;$i<=$iterations;++$i){
$action();
}
echo $name . ' ' . round(microtim...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
... Legendary answer! I had to rebuild my web server, and hadn't updated the scripts in a few years, I've added this DISM command to my VM provisioning scripts, works like a charm.
– Chris Schaller
Aug 12 '18 at 23:52
...
Cookie blocked/not saved in IFRAME in Internet Explorer
..., when cookies are blocked, session identifier is not sent, and the target script throws a 'session not found' error.
(I've tried setting the session identifier into the form and loading it from POST variables. This would have worked, but for political reasons I couldn't do that.)
It is possible t...
Error handling in C code
...to call your error pointer as err and it must be the last argument. So the script can match the string err); then check if it's followed by if (*err. Actually in practice we made a macro called CER (check err return) and CEG (check err goto). So you don't need to type it out always when we just want...
PostgreSQL: Difference between text and varchar (character varying)
...S FOR 2016 (pg9.5+)
And using "pure SQL" benchmarks (without any external script)
use any string_generator with UTF8
main benchmarks:
2.1. INSERT
2.2. SELECT comparing and counting
CREATE FUNCTION string_generator(int DEFAULT 20,int DEFAULT 10) RETURNS text AS $f$
SELECT array_to_string( ...