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How to use support FileProvider for sharing content to other apps?
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Using FileProvider from support library you have to manually grant and revoke permissions(at runtime) for other apps to read specific Uri. Use Context.grantUriPermission and Context.revokeUriPermission methods.
For example:
//grant permision for app with package "packegeName", ...
Feedback on using Google App Engine? [closed]
Looking to do a very small, quick 'n dirty side project. I like the fact that the Google App Engine is running on Python with Django built right in - gives me an excuse to try that platform... but my question is this:
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Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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What happens to my apps after my developer account membership expires? [closed]
... Does anyone know what happens to development apps already installed on a device? Will they cease working when the certificates is revoked? If so, what if the device is not connected to the internet or updated... will the certificates simply expire and the iPad no longer run the developm...
How to make a node.js application run permanently?
On a Debian server, I installed Node.js. I understand how to launch an app from putty with this command line:
19 Answers
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How to programmatically clear application data
...st). In order to do so, I need to clear the app data. This can be done manually in Settings/Applications/Manage Applications/[My App]/Clear data
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Android: What is better - multiple activities or switching views manually?
...ts in one mega-Activity that can be a lot harder to handle than a lot of smaller pieces of code.
I have trouble imagining that speed is really an issue; if it is then there's something wrong with the way you're initializing each Activity. For example, I used try to pass Serializable objects betwee...
How to detect if JavaScript is disabled?
...gt; to unhide (no reflow there if JS enabled). Surprisingly, this works in all modern browsers, and even in IE6
– Piskvor left the building
Jul 16 '10 at 14:31
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Use C++ with Cocoa Instead of Objective-C?
... superset of C. In Objective-C++, you can make objc-style message passing calls (like [some-objc-object callMethod];) from within a C++ function. Conversely, you can call C++ functions from within ObjC code like:
@interface MyClass {
MyCPPClass *cppInstance;
}
@end
@implementation MyClass
- (i...
Django template how to look up a dictionary value with a variable
...I find this easier to read and it avoids the need for special coding. I usually need the key and the value inside the loop anyway.
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