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Creating .pem file for APNS?

... by the Certificates category. You will see an expandable option called “Apple Development Push Services” Right click on “Apple Development Push Services” > Export “Apple Development Push Services ID123″. Save this as apns-dev-cert.p12 file somewhere you can access it. There is no nee...
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Waiting until two async blocks are executed before starting another block

...e, "Waiting on Groups of Queued Tasks" in the "Dispatch Queues" chapter of Apple's iOS Developer Library's Concurrency Programming Guide Your example could look something like this: dispatch_group_t group = dispatch_group_create(); dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUE...
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Android adb “Unable to open sync connection!”

I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says: ...
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Assign width to half available screen width declaratively

...tend to use it as a filler. layout_width="0dp" is actually the recommended approach according to Android documentation. – Muz Oct 10 '13 at 10:02 ...
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Elegant setup of Python logging in Django

... have yet to find a way of setting up Python logging with Django that I'm happy with. My requirements are fairly simple: 4 ...
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Garbage collector in Android

...should go over the GC's head and run Bitmap.recycle() or System.gc() where appropriate. But only pre-honeycomb. – Timmmm Nov 29 '12 at 18:10 1 ...
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Fragment Inside Fragment

...t inside fragment, actually I am facing a problem on pressing back button. Application Main screen has buttons and pressing on each button view replace with new fragment(and that fragment contain inside another fragment), dynamically adding/replacing fragment is working fine, by pressing button1 fra...
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Making the Android emulator run faster

...sluggish. For some devices, like the Motorola Droid and the Nexus One, the app runs faster in the actual device than the emulator. This is a problem when testing games and visual effects. ...
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String concatenation in Ruby

... the usual way With string interpolation source = "#{ROOT_DIR}/#{project}/App.config" with + source = "#{ROOT_DIR}/" + project + "/App.config" The second method seems to be more efficient in term of memory/speed from what I've seen (not measured though). All three methods will throw an uniniti...
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How to get the Android device's primary e-mail address

...suse a user's email address or other personal information, bad things can happen. Method A: Use AccountManager (API level 5+) You can use AccountManager.getAccounts or AccountManager.getAccountsByType to get a list of all account names on the device. Fortunately, for certain account types (includi...