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Shell script while read line loop stops after the first line
I have the following shell script. The purpose is to loop thru each line of the target file (whose path is the input parameter to the script) and do work against each line. Now, it seems only work with the very first line in the target file and stops after that line got processed. Is there anything ...
Versioning SQL Server database
...ngle production database instance, I use two techniques:
Database Upgrade Scripts
A sequence database upgrade scripts that contain the DDL necessary to move the schema from version N to N+1. (These go in your version control system.) A _version_history_ table, something like
create table Versio...
Run a string as a command within a Bash script
I have a Bash script that builds a string to run as a command
8 Answers
8
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PHP script - detect whether running under linux or Windows?
I have a PHP script that may be placed on a windows system or a linux system. I need to run different commands in either case.
...
How can I check if a background image is loaded?
...
Enter this in any page that have jquery: javascript:void($('<img/>').attr('src', 'http://farm6.static.flickr.com/5049/5220175127_5693faf952.jpg').load(function() { $('html').css('background-image', 'url(http://farm6.static.flickr.com/5049/5220175127_5693faf952.jpg...
Use underscore inside Angular controllers
...o use it:
Make sure you have included underscore.js in your project
<script src="bower_components/underscore/underscore.js">
Get it:
bower install angular-underscore-module
Add angular-underscore-module.js to your main file (index.html)
<script src="bower_components/angular-underscor...
Mechanisms for tracking DB schema changes [closed]
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In the Rails world, there's the concept of migrations, scripts in which changes to the database are made in Ruby rather than a database-specific flavour of SQL. Your Ruby migration code ends up being converted into the DDL specific to your current database; this makes switching d...
Python Script execute commands in Terminal
...ll(["ls", "-l"])
Reason is that if you want to pass some variable in the script this gives very easy way for example take the following part of the code
abc = a.c
call(["vim", abc])
share
|
impr...
Why do we always prefer using parameters in SQL statements?
...this variable to set value in it and use it on number area on the same sql script because it is only restricted on the single script while you can declare lot of variables of same type and name on many script. We use this variable in stored procedure lot because stored procedure are pre-compiled que...
How do I get logs/details of ansible-playbook module executions?
...ally start/stop logging from a playbook? Like set -x and set +x in a shell script.
– Kashyap
Sep 16 '13 at 16:03
@thek...