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What's the best way to communicate between view controllers?
...g Dependency Injection with a View Controller
Let's say you're building a screen in which several books are listed. The user can pick books he/she wants to buy, and then tap a "checkout" button to go to the checkout screen.
To build this, you might create a BookPickerViewController class that con...
What are file descriptors, explained in simple terms?
...yboard is a file that is read only from the perspective of the kernel. The screen is a write only file. Similarly, folders, input-output devices etc are also considered to be files. Whenever a file is opened, say when the device drivers[for device files] requests an open(), or a process opens an use...
UIScrollView not scrolling
...r me the issue was that it didn't need to scroll, as everything fit on the screen.
– Daniel Springer
Mar 31 at 21:48
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Font size of TextView in Android application changes on changing font size from native settings
...e"/>
You can declare different dimens.xml files for different types of screens.
Doing this will guarantee the desired look of your app on different devices.
When you don't specify android:textSize the system uses the default values.
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How to create a CPU spike with a bash command
...onsive whilst running such a test, do it in a separate shell (another tmux/screen window, or ssh session), and renice that shell first, e.g. in bash: renice 19 -p $$. It'll still max the CPUs, but won't impinge on other processes.
– Walf
Feb 7 '19 at 5:27
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Bootstrap css hides portion of container below navbar navbar-fixed-top
...g-top:60px;
}
/* fix padding under menu after resize */
@media screen and (max-width: 767px) {
body { padding-top: 60px; }
}
@media screen and (min-width:768px) and (max-width: 991px) {
body { padding-top: 110px; }
}
@media screen and (min-width: 992px) {
...
Separators for Navigation
...round in standards documents, RWD pamphlets, and even tried out different screen readers to prove my point. However, at least the screen readers are clever enough to NOT READ OUT LOUD empty bullets (nor enumerate absent options when using @ol@ instead of @ul@). So I can just point out that the use ...
iOS 7 - Failing to instantiate default view controller
... also reported if you have some code like:
window = UIWindow(frame: UIScreen.mainScreen().bounds)
window?.rootViewController = myAwesomeRootViewController
window?.makeKeyAndVisible()
In this case, go to the first page of target settings and set Main Interface to empty, since you don't...
Your build failed due to an error in the AAPT stage, not because of an...
...尚未针对 Android优化的图像 Optimize Images for AndroidProject、Screen、Block、Procedure Component 或 Asset 名称是 Java 或 Scheme 关键字Java 和 Scheme Key Words有缺少碎片的块（注意警告）
该项目有过多的块和/或组件块包括过长的逻辑计算块包括...
Detecting when the 'back' button is pressed on a navbar
I need to perform some actions when the back button(return to previous screen, return to parent-view) button is pressed on a Navbar.
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