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Why is it impossible to build a compiler that can determine if a C++ function will change the value
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Ruby on Rails - Import Data from a CSV file
...name" as the primary key and prevents the creation of duplicates by name
setter = row.to_hash
u.row selector, setter
end
If this is what you want, you might also consider getting rid of the auto-increment primary key from the table and setting the primary key to name. Alternatively, if there i...
How to change an Android app's name?
...he android:label for the launch activity. The former is what you see under Settings -> Applications -> Manage Applications on your device. The latter is what you see under Applications, and by extension in any shortcut to your application, e.g.
<application
android:label="@string/turns...
How to check visibility of software keyboard in Android?
...PLEX_UNIT_DIP, valueInDp, metrics);
}
Easy!
Note:
Your application must set this flag in Android Manifest android:windowSoftInputMode="adjustResize" otherwise above solution will not work.
ORIGINAL ANSWER
Yes it's possible, but it's far harder than it ought to be.
If I need to care about when ...
How to develop or migrate apps for iPhone 5 screen resolution?
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Download and install latest version of Xcode.
Set a Launch Screen File for your app (in the general tab of your target settings). This is how you get to use the full size of any screen, including iPad split view sizes in iOS 9.
Test your app, and hopefully do nothing els...
How to add google chrome omnibox-search support for your site?
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Chrome usually handles this through user preferences. (via chrome://settings/searchEngines)
However, if you'd like to implement this specifically for your users, you need to add a OSD (Open Search Description) to your site.
Making usage of Google Chrome's OmniBox [TAB] Feature for/on person...
Group vs role (Any real difference?)
...com/workshop/role-group.pdf
A group is a collection of users with a given set of permissions assigned to the group (and transitively, to the users). A role is a collection of permissions, and a user effectively inherits those permissions when he acts under that role.
Typically your group membershi...
iphone: Where the .dSYM file is located in crash report
...Before all of these actions, make sure you have configured the xcode build settings right, as follows:
Generate Debug Symbols setting is enabled.
Debug Infomation Format are set to DWARF with dSYM File.
Hope this will help.
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Position Relative vs Absolute?
...nt 10 pixels from the top of the document window, you would use the top offset to position it there with absolute positioning:
position: absolute;
top: 10px;
This element will then always display 10px from the top of the page regardless of what content passes through, under or over the element (v...
Django: accessing session variables from within a template?
If I set a session variable in Django, like:
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