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When to use a View instead of a Table?
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Oh there are many differences you will need to consider
Views for selection:
Views provide abstraction over tables. You can add/remove fields easily in a view without modifying your underlying schema
Views can model complex joins easily.
Views can hide database-specific stuff from you. E....
Android Eclipse - Could not find *.apk
...is might help you out:
Right-click your app project and go to Properties
Select Android from left-hand side list
Uncheck the "Is Library" checkbox
If your app project relies on library projects which are in your workspace, those of course need to have the "Is Library" box checked.
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How do I use installed packages in PyCharm?
...er's path. It will bring up a short drop-down menu, from which you should select "More..". On the right hand side of the new pop-up, there will be an icon with the mouse-over text of "Show paths for the selected interpreter". Click that button. This new 'Interpreter Paths' pop-up is where you ca...
jQuery: find element by text
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You can use the :contains selector to get elements based on their content.
Demo here
$('div:contains("test")').css('background-color', 'red');
<div>This is a test</div>
<div>Another Div</div>
<script src="https://...
What is the reason for a red exclamation mark next to my project in Eclipse?
...rors can be seen in the Problems view, and if you open
the view menu and select Group By > Java Problem Type, they all show
up in the Build Path category:
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Removing App ID from Developer Connection
...ifiers > App IDs"
Find the app id you wish to delete, highlight it and select "Settings". At the bottom of the resulting screen there is a "Delete" button.
Previously the only way to do this was to use a Safari & Chrome extension written by Simon Whitaker
app-id-sanity downloads
It giv...
How to delete a module in Android Studio
...ed via "File -> Project Structure" or by right-clicking on a Module and selecting "Module Settings".
Then select the module, and click the "minus" button to remove it.
The directory will still be visible in the "Project" view (though not in the "Android" view) since it's not actually delete...
Is there a standard keyboard shortcut to build the current project in Visual Studio?
...mmand doesn't seem to work in VS2008.
Assign the shortcut to "Build.BuildSelection". If you have a solution with several projects and files open from the various projects, whatever file you are currently editing will define the project that will be built when you use the assigned shortcut for "Bu...
How to create a new database after initally installing oracle database 11g Express Edition?
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In the Connections pane, click the icon New Connection.
The New/Select Database Connection window opens.
In the New/Select Database Connection window, type the appropriate
values in the fields Connection Name, Username, and Password.
For security, the password characters that ...
How to express a NOT IN query with ActiveRecord/Rails?
...rums, lambda { |forums| { :conditions => ['forum_id not in (?)', forums.select(&:id).join(',')] }
# in your controller
Topic.not_in_forums(@forums)
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