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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”
...
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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Converting an array to a function arguments list [duplicate]
...
Yes. In current versions of JS you can use:
app[func]( ...args );
Users of ES5 and older will need to use the .apply() method:
app[func].apply( this, args );
Read up on these methods at MDN:
.apply()
spread "..." operator (not to be confused with the related re...
Django Reverse with arguments '()' and keyword arguments '{}' not found
...m django.test import Client
from django.core.urlresolvers import reverse
#app name - name of the app where the url is defined
client= Client()
response = client.get(reverse('app_name:edit_project', project_id=4))
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How to display the default iOS 6 share action sheet with available share options?
Some apps show a default action sheet in iOS 6 with sharing options.
2 Answers
2
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Node.js, can't open files. Error: ENOENT, stat './path/to/file'
...ot relative to the script file. So the file might be found if you run node app.js but not if you run node folder/app.js. The only exception to this is require('./file') and that is only possible because require exists per-module and thus knows what module it is being called from.
To make a path re...
Controls on Pivot disappear
I have an app with a pivot control. The pivot control has two items (pages), both contain a grid . The grids contain a few buttons and one a map and the other a text block. When the app first runs the pivot works as expected. However, after the app has been running some time, like a day, all the co...