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Force an Android activity to always use landscape mode
...ooking at the AndroidManifest.xml (link), on line 9:
<activity android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden" android:name="VncCanvasActivity">
This line specifies the screenOrientation as landscape, but author goes further in overriding any screen ...
What APIs are used to draw over other apps (like Facebook's Chat Heads)?
...
As a rule, Android activities are full screen, conceptually dedicated UIs that take all the interaction. There are a few exceptions to this. For a start, there are popup dialogs that don't fill the screen. Another is the Android toast, which is a non-interactive p...
Getting Django admin url for an object
...my urlpatterns:
(r'^admin/(.*)', admin.site.root),
which gets the admin screens working but is the deprecated way of doing it. I needed to change it to this:
(r'^admin/', include(admin.site.urls) ),
Once I did that, all the goodness that was promised in the Reversing Admin URLs docs started w...
How to add a button to PreferenceScreen
Is there any way to add a button to the bottom of preferences screen and make them work correct when scrolling?
12 Answers
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Catch browser's “zoom” event in JavaScript
...ewport pxes (px is different from pixel ) reduces and should be fit to The screen so the ratio (physical pixel / CSS_px ) must get bigger.
but in window Resizing, screen size reduces as well as pxes. so the ratio will maintain.
zooming: trigger windows.resize event --> and change px_ratio
but
res...
浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... page_x : e.pageX,
page_y : e.pageY,
screen_width : screen.width,
screen_height: screen.height
});
});
});
</script>
客户端使用Ajax通过GET方法触发一个空HTML页面，当然，还可以更简单点：
<script>
va...
iOS 8 removed “minimal-ui” viewport property, are there other “soft fullscreen” solutions?
... there is no way of calculating the dimensions of the minimal-ui using the screen variable, and thus no way of telling when user is in the minimal-ui in advance.
These observations is a result of research as part of developing Brim – view manager for iOS 8. The end implementation works in the fo...
Disable hover effects on mobile browsers
... When it's being visited from a desktop, I want the clickable areas of the screen to light up with :hover effects (different background color, etc.) With a tablet, there's no mouse, so I don't want any hover effects.
...
I want my android application to be only run in portrait mode?
...d:name=".YourActivity"
android:configChanges="orientation"
android:screenOrientation="portrait"/>
Let me explain:
With android:configChanges="orientation" you tell Android that you will be responsible of the changes of orientation.
android:screenOrientation="portrait" you set the defa...
Window Features - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ts the painting of windows that called SetLayeredWindowAttributes into off-screen memory and recomposes it to achieve the desired effect.
For faster and more efficient animation or if per-pixel alpha is needed, call UpdateLayeredWindow.UpdateLayeredWindow should be used primarily when the applicati...