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What's the use of ob_start() in php?
...le:
ob_start();
echo("Hello there!"); //would normally get printed to the screen/output to browser
$output = ob_get_contents();
ob_end_clean();
There are two other functions you typically pair it with: ob_get_contents(), which basically gives you whatever has been "saved" to the buffer since it w...
Convert SVG to image (JPEG, PNG, etc.) in the browser
...nvas.toDataURL("image/png");
// do what you want with the base64, write to screen, post to server, etc...
});
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Activity restart on rotation Android
...name=".MyActivity"
android:configChanges="keyboardHidden|orientation|screenSize"
android:label="@string/app_name">
Then within the Activity override the onConfigurationChanged method and call setContentView to force the GUI layout to be re-done in the new orientation.
@Override
pub...
How to flush output of print function?
How do I force Python's print function to output to the screen?
13 Answers
13
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Getting mouse position in c#
How do I get the mouse position? I want it in term of screen position.
10 Answers
10
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overlay two images in android to set an imageview
...:
imageView.setImageBitmap(Blend(topBitmap, bottomBitmap, PorterDuff.Mode.SCREEN));
or
imageView.setImageBitmap(Blend(topBitmap, bottomBitmap, PorterDuff.Mode.OVERLAY));
and the results :
Overlay mode :
Screen mode:
...
pass post data with window.location.href
... $( "body" ).html(data);
});
});
I had to solve this to make a screen lock of my application where I had to pass sensitive data as user and the url where he was working. Then create a function that executes this code
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CSS horizontal centering of a fixed div?
...t find a solution to my case.
I've got a div, which should be fixed on the screen, even if the page is scrolled it should always stay CENTERED in the middle of the screen!
...
How to clear the cache in NetBeans
... NetBeans 8.1,
NetBeans → About
Find User Directory path in the About screen
rm -fr 8.1 In your case the version could be different; remove the right version folder.
Reopen NetBeans
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解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...我们往往想在初始化（OnInitDialog）中使用SetCheck()方法,将默认的值处于选中状态.但是向我们这些菜鸟往往会发现事与愿违,不管是怎么样就是得不到任何一个选项处于Check状态.
我用了多线程,有时会出现打勾,更多的时候是徒劳...