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invalid context 0x0 under iOS 7.0 and system degradation
...yboard with zero code. I drag a UITextField onto the canvas in IB, run the app, and double tap inside the text field.
In many situations, it's hard for me to take the invalid context 0x0 error messages seriously. I don't know if your situation warrants greater concern (I agree with Rob Napier that...
一个转型程序员的销售观 - 杂谈 - 清泛网 - 专注C/C++及内核技术
一个转型程序员的销售观2013年中辞职创办Kollway App开发公司的时候，当我抱着从程序员转型产品经理的心态离职创业后，却发现我们急需要业务来养活自己。作为一支...
2013年中辞职创办Kollway App开发公司的时候，当我抱着从“...
How to use a filter in a controller?
...ter) {
filter1Filter(input, arg1);
}
It should be noted that you must append Filter to the filter name, no matter what naming convention you're using:
foo is referenced by calling fooFilter
fooFilter is referenced by calling fooFilterFilter
...
Cannot change version of project facet Dynamic Web Module to 3.0?
I am using maven to create a dynamic webapp in Eclipse. I added some folders like src/test/java and src/test/resources . Also I changed the library in Java Build Path to obtain the JavaSE-1.7. It's all OK up to here.
...
adding and removing classes in angularJs using ng-click
...nge it from the controller. Here is an example of how to do this:
var app = angular.module("ap",[]);
app.controller("con",function($scope){
$scope.class = "red";
$scope.changeClass = function(){
if ($scope.class === "red")
$scope.class = "blue";
else
$scope.clas...
Android global variable
...n I create global variable keep remain values around the life cycle of the application regardless which activity running.
1...
How to enable/disable bluetooth programmatically in android
... permission to turn on Bluetooth. The enable() method is provided only for applications that include a user interface for changing system settings, such as a "power manager" app. What does it mean? For ex. I made a little app from your code and it worked. But if I want to upload to Play Store, it wo...
Yes/No message box using QMessageBox
...uestion for that.
Example in a hypothetical widget's slot:
#include <QApplication>
#include <QMessageBox>
#include <QDebug>
// ...
void MyWidget::someSlot() {
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, "Test", "Quit?",
...
Scheduling recurring task in Android
I'm designing an app that has a recurring task of sending presence to a dedicated server as long as the app is in foreground.
...
support FragmentPagerAdapter holds reference to old fragments
...oads the current page, and the one to the left and right.
If you put your app into the background, the fragments that have been added to the fragment manager are saved automatically. Even if your app is killed, this information is restored when you relaunch your app.
Now consider that you have vie...