大约有 45,000 项符合查询结果（耗时：0.0536秒） [XML]
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...
How do you install an APK file in the Android emulator?
I finally managed to obfuscate my Android application, now I want to test it by installing the APK file and running it on the emulator.
...
Why do we use $rootScope.$broadcast in AngularJS?
...cope.$broadcast do?
$rootScope.$broadcast is sending an event through the application scope.
Any children scope of that app can catch it using a simple: $scope.$on().
It is especially useful to send events when you want to reach a scope that is not a direct parent (A branch of a parent for example...
Laravel Migration Change to Make a Column Nullable
...hnique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getting laravel main version
$laravelVer = explode('.',$app::VERSION);
switch ($laravelVer[0]) {
// Laravel 4
case('4'):
DB::statement('ALTER TABLE `pro_categories_langs` MODI...
Intellij IDEA Java classes not auto compiling on save
...r "Compiler" settings:
Also, if you would like to hot deploy, while the application is running or if you are using spring boot devtools you should enable the compiler.automake.allow.when.app.running from registry too. This will automatically compile your changes.
Using Ctrl+Shift+A (or ⌘+Shif...
HTTP 404 Page Not Found in Web Api hosted in IIS 7.5
I have a Web Api application. It works perfectly well when I tested it using the VS 2010 debugging dev server. But I now deployed it to IIS 7.5 and I am getting a HTTP 404 error when trying to access the application.
...
ViewController respondsToSelector: message sent to deallocated instance (CRASH)
...
Use Instruments to track down deallocated instance errors. Profile your application (Cmd ⌘+I) and choose Zombies template. After your application is running, try to crash it. You should get something like that:
Click on the arrow next to address in the popover to show object that was called ...
Android Camera Preview Stretched
...mera.startPreview();
And one hint for you, because I did almost the same app like you. Good practice for Camera Activity is to hide StatusBar. Applications like Instagram are doing it. It reduces your screen height value and change your ratio value. It is possible to get strange Preview Sizes on s...
Java lib or app to convert CSV to XML file? [closed]
Is there an existing application or library in Java which will allow me to convert a CSV data file to XML file?
16 ...
How to get current time and date in Android
How can I get the current time and date in an Android app?
40 Answers
40
...