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How to center an element horizontally and vertically
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Approach 1 - transform translateX/translateY:
Example Here / Full Screen Example
In supported browsers (most of them), you can use top: 50%/left: 50% in combination with translateX(-50%) translateY(-50%) to dynamically vertically/horizontally center the element.
.container {
po...
Making macOS Installer Packages which are Developer ID ready
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Installer supported since the beginning RTFD files to make pretty Welcome screens with images, but productbuild doesn't accept them.
Workarounds:
Use a dummy rtf file and replace it in the package by after productbuild is done.
Note: You can also have Retina images inside the RTFD file. Use mul...
Test PHP headers with PHPUnit
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The issue is that PHPUnit will print a header to the screen and at that point you can't add more headers.
The work around is to run the test in an isolated process. Here is an example
<?php
class FooTest extends PHPUnit_Framework_TestCase
{
/**
* @runInSeparatePr...
How to listen for a WebView finishing loading a URL?
...s improved a lot, but not perfect yet. Sometimes the app freeze on loading screen and it is impossible to exit, unless you disconnect the network or connect in another good one. I don't know how to solve this yet, I'm trying.
– Felipe
Jul 18 '11 at 0:10
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How to pinch out in iOS simulator when map view is only a portion of the screen?
...d that I am adding an MKMapView to that is say half the height of the full screen. However, when I try to pinch out on the iOS Simulator it doesn't work since the to nubs fill the entire iPad view on the simulator.
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How to redirect output of an already running process [duplicate]
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Screen
If process is running in a screen session you can use screen's log command to log the output of that window to a file:
Switch to the script's window, C-a H to log.
Now you can :
$ tail -f screenlog.2 | grep whatever
F...
How do I specify different layouts for portrait and landscape orientations?
...orking when i am using , android:configChanges="orientation|keyboardHidden|screenSize"
– Tushar Pandey
Feb 11 '14 at 6:53
9
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Full screen in WPF application
I am developing a WPF application which will be displayed in Full screen.
In addition, the application should work on many tablets of multiple dimensions.
I'd like my application to run in full screen independently from its dimensions.
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App Inventor2 如何在screen2保留变量？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
问题一：如果在screen1初始化了一个全局变量，能够在screen2保留此变量吗？
问题二：当一个按钮被点击过后，能否重新点击执行不同的程序?
求解问题1请参考：《App Inventor在不同的屏幕之间传递变量》
问题2可以点击第一次设...
App Inventor 2 复制屏幕功能，界面设计更便捷，避免误删组件 · App Inventor 2 中文网
...捷，避免误删组件
1、Screen1屏幕上有若干组件、及一个SQLite拓展：
2、点击工具栏上的“复制屏幕”按钮，输入新屏幕名称：
3、复制后的Screen2：
4、代码块也一并成功复制，且代码块中的...