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Does PowerShell support constants?
...ion Set-Constant {
<#
.SYNOPSIS
Creates constants.
.DESCRIPTION
This function can help you to create constants so easy as it possible.
It works as keyword 'const' as such as in C#.
.EXAMPLE
PS C:\> Set-Constant a = 10
PS C:\> $a += 13
...
What is a word boundary in regex?
... most flavors that support Unicode, \w includes many characters from other scripts. There is a lot of inconsistency about which characters are actually included. Letters and digits from alphabetic scripts and ideographs are generally included. Connector punctuation other than the underscore and n...
H2 in-memory database. Table not found
...bles with UPPERCASE names then behaving case-sensitive, even though in all scripts (including in the creation ones) i used lowercase.
Solved by adding ;DATABASE_TO_UPPER=false to the connection URL.
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Python argparse command line flags without arguments
...:
Source: myparser.py
import argparse
parser = argparse.ArgumentParser(description="Flip a switch by setting a flag")
parser.add_argument('-w', action='store_true')
args = parser.parse_args()
print args.w
Usage:
python myparser.py -w
>> True
...
How to set or change the default Java (JDK) version on OS X?
... still be used when $JAVA_HOME points to it, or explicitly referenced in a script or configuration. It will simply be ignored by system's java command.
System launcher will use the JDK with highest version among those that have an Info.plist file.
When working in a shell with alternate JDK, pick ...
How to select an element by classname using jqLite?
...If elem.find() is not working for you, check that you are including JQuery script before angular script....
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How to add custom validation to an AngularJS form?
... doesn't have to be an error message, but here's the basics:
Include <script src="angular-messages.js"></script>
Reference ngMessages in your module declaration:
var app = angular.module('myApp', ['ngMessages']);
Add the appropriate markup:
<form name="personForm">
<input...
Add table row in jQuery
.... I looked a lot and find that we can do it in a better way than using JavaScript directly by the following function.
tableObject.insertRow(index)
index is an integer that specifies the position of the row to insert (starts at 0). The value of -1 can also be used; which result in that the new row...
Boolean vs tinyint(1) for boolean values in MySQL
...nged a non nullable bit(1) to a nullable tinyint(1) by using the following script:
ALTER TABLE TableName MODIFY Setting BOOLEAN null;
Then Dapper started throwing Exceptions. I tried to look at the difference before and after the script. And noticed the bit(1) had changed to tinyint(1).
I then r...
How do you create a read-only user in PostgreSQL?
...
Reference taken from this blog:
Script to Create Read-Only user:
CREATE ROLE Read_Only_User WITH LOGIN PASSWORD 'Test1234'
NOSUPERUSER INHERIT NOCREATEDB NOCREATEROLE NOREPLICATION VALID UNTIL 'infinity';
Assign permission to this read only user:
GRANT...