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What is the best way to uninstall gems from a rails3 project?
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Bundler is launched from your app's root directory so it makes sure all needed gems are present to get your app working.If for some reason you no longer need a gem you'll have to run the
gem uninstall gem_name
as you stated above.So every time you run ...
Difference between View and table in sql
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A table contains data, a view is just a SELECT statement which has been saved in the database (more or less, depending on your database).
The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database w...
How to get temporary folder for current user
..., TEMP and USERPROFILE are all unset, it actually does fall back to %SystemRoot% (C:\Windows\).
– Bob
Jul 16 '13 at 23:14
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PhantomJS failing to open HTTPS site
...plained, only stack overflow and the pink unicorn helped me track down the root cause. Thanks guys
– SimplGy
Apr 16 '13 at 15:21
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Auto-expanding layout with Qt-Designer
...your widget/dialog/window (not the QVBoxLayout, but the parent widget) and select Lay Out -> Lay Out in a Grid from the bottom of the context-menu. The QVBoxLayout should now stretch to fit the window and will resize automatically when the entire window is resized.
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Find all packages installed with easy_install/pip?
... print(join(package.location, package._get_metadata("top_level.txt"))) # root directory of this package
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How to call one shell script from another shell script?
... script file
The output would be:
# ./mainscript.sh
You are login as: root
Date is: Thu Oct 17 02:56:36 EDT 2013
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java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
... a query, specifically the position where a reader is in a ResultSet. Each SELECT statement has a cursor, and PL/SQL stored procedures can open and use as many cursors as they require. You can find out more about cursors on Orafaq.
A database instance typically serves several different schemas, man...
Config Error: This configuration section cannot be used at this path
...s.
Care of this Learn IIS article:
Using the Feature Delegation from the root of IIS:
You can then control each of machine-level read/write permissions, which will otherwise give you the overrideMode="Deny" errors.
sh...
JUnit 4 Test Suites
...lipse:
In the 'Package Explorer' view of the eclipse 'Java' perspective,
select your unit test(s) in their package, inside the eclipse java
project.
Right-click on any one of the selected tests.
In the pop-up menu, select New, Other…
Open the ‘Java’ folder, then open the ‘JUnit’ folder...