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How do I use variables in Oracle SQL Developer?
...am using the SQL-Developer in Version 3.2. The other stuff didn't work for me, but this did:
define value1 = 'sysdate'
SELECT &&value1 from dual;
Also it's the slickest way presented here, yet.
(If you omit the "define"-part you'll be prompted for that value)
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Why does HTML5 form-validation allow emails without a dot?
I'm writing a very simple mock-up to demonstrate some HTML5 form-validation. However, I noticed the email validation doesn't check for a dot in the address, nor does it check for characters following said dot.
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Django 1.7 - makemigrations not detecting changes
...o 1.6, then you need to do one pre-step (as I found out) listed in the documentation:
python manage.py makemigrations your_app_label
The documentation does not make it obvious that you need to add the app label to the command, as the first thing it tells you to do is python manage.py makemigra...
ASP.NET MVC controller actions that return JSON or partial html
...actions which will return either JSON or partial html depending upon a parameter. What is the best way to get the result returned to an MVC page asynchronously?
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Bash script absolute path with OS X
...ng anything available on the command-line. Here's a quick and dirty replacement:
#!/bin/bash
realpath() {
[[ $1 = /* ]] && echo "$1" || echo "$PWD/${1#./}"
}
realpath "$0"
This prints the path verbatim if it begins with a /. If not it must be a relative path, so it prepends $PWD to ...
Fully custom validation error message with Rails
Using Rails I'm trying to get an error message like "The song field can't be empty" on save. Doing the following:
17 Answer...
Use Expect in a Bash script to provide a password to an SSH command
...ple.com; interact }'
This will wait for Enter and then return to (for a moment) the interactive session.
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
I need to write a shell script for this. Can someone suggest how to begin?
8 Answers
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What is the naming convention in Python for variable and function names?
Coming from a C# background the naming convention for variables and method names are usually either camelCase or PascalCase:
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How to Sort a List by a property in the object
... note that this creates a whole new list with all the items in memory, which may be problematic in terms of performance.
– staafl
Oct 19 '13 at 19:25
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