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How to fix 'sudo: no tty present and no askpass program specified' error?
...t and stop without being prompted for password.
Look at the bottom of the screen for the keystrokes you need to use in visudo - this is not vi by the way - and exit without saving at the first sign of any problem. Health warning: corrupting this file will have serious consequences, edit with care!
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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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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 ...
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...
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...
Force Screen On
How do I force the screen to stay active and not shut off while my app is running?
3 Answers
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Running Python code in Vim
...! allows you to run a terminal command
clear will empty your terminal screen
; ends the first command, allowing you to introduce a second command
python will use python to run your script (it could be replaced with
ruby for example)
% concats the current filename, passing it as...
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...
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...
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.
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