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Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
...issue. Changing the parent class of my PageAdapter from android.support.v4.app.FragmentPagerAdapter to android.support.v4.app.FragmentStatePagerAdapter solve my ViewPager display issue on "second time"!
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Proper use of beginBackgroundTaskWithExpirationHandler
...rtant that you call endBackgroundTask when you're finished - otherwise the app will be killed after its allotted time has expired.
Mine tend look something like this:
- (void) doUpdate
{
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
[self beginBackg...
What are some methods to debug Javascript inside of a UIWebView?
... you have mountain lion (10.8) or Safari >= 6, you can just:
Open the application in the simulator (or your device in XCode >= 4.5.x).
Open Safari (go to Preferences -> Advanced and make sure "Show Develop Menu in Menubar" is on.
From the Menu-bar (of Safari) select Develop -> iPhone S...
Xcode stops working after set “xcode-select -switch”
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You should be pointing it towards the Developer directory, not the Xcode application bundle. Run this:
sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
With recent versions of Xcode, you can go to Xcode ➙ Preferences… ➙ Locations and pick one of the options for Comma...
How can I make Sublime Text the default editor for Git?
...xt.com/docs/3/osx_command_line.html but changed the path from Sublime Text.app to Sublime Text 2.app
– Evanss
Jul 10 '15 at 9:04
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show 1 mo...
Custom checkbox image android
...="@drawable/checkbox_selector"
android:text="CheckBox"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="@color/Black" />
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Dynamic Sorting within SQL Stored Procedures
...addresses what I see to be an incredibly common need in any Web or Windows application with a database back-end.
15 Answers...
Django Admin - change header 'Django administration' text
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even if quite old, I want to add that you must put your app where you define this template before 'django.contrib.admin', in INSTALLED_APPS
– DRC
Jul 27 '13 at 7:08
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How to programmatically get iOS status bar height
...on-retina screens and 40 pixels for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to figure out the height of the status bar programmatically?
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getResourceAsStream() vs FileInputStream
I was trying to load a file in a webapp, and I was getting a FileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() .
What is the difference between the two methods, and why does one work while the other do...