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Android: How to bind spinner to custom object list?
...te your Spinner the usual way
Define 2 equal size arrays in your array.xml file -- one array for labels, one array for values
Set your Spinner with android:entries="@array/labels"
When you need a value, do something like this (no, you don't have to chain it):
String selectedVal = getResources()...
Is Java really slow?
...es when starting programs which improved performance over loading a longer file from the hard drive. The disparity between CPU and hard drive has grown enormously over the intervening years. However, there is a problem with using the zip archive format for rt.jar (why?!!!) and the contained class fi...
Conventions for exceptions or error codes
...ectable before runtime), and
they can be used to enhance the error (i.e. a FileReadException class definition can then contain code to check whether the file exists, or is locked, etc)
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...har_t may be more useful. It's essentially required on Windows (e.g., some files simply cannot be opened without using wchar_t filenames), though Windows is the only platform where this is true as far as I know (so maybe we can think of wchar_t as 'Windows_char_t').
In hindsight wchar_t is clearly ...
How does JavaFX compare to WPF? [closed]
...t typically you would bind to an event in the associated controller.
FXML files can have an associated controller which allows you to declare complex event handlers and to set up bindings between properties. This is a controller in the MVC sense and is not the same as a viewModel in the WPF world (...
How do I make an HTTP request in Swift?
... print(error.localizedDescription)
}
})
6. Image(File) Upload
Swift 2.0 +
let mainURL = "YOUR_URL_HERE"
let url = NSURL(string: mainURL)
let request = NSMutableURLRequest(URL: url!)
let boundary = "78876565564454554547676"
request.addValue("multipart/fo...
Difference between case object and object
...ry useful feature of IntelliJ 'decompile Scala to Java' on compiled .class files:
//decompiled from StandardObject$.class
public final class StandardObject$ {
public static final StandardObject$ MODULE$ = new StandardObject$();
private StandardObject$() {
}
}
//decompiled from StandardObj...
Why does ContentResolver.requestSync not trigger a sync?
...n a ContentAuthority and an account. It externally references another xml file (call it whatever you like, something relevant to your app.) Let's look at sync_myapp.xml:
<?xml version="1.0" encoding="utf-8" ?>
<sync-adapter
xmlns:android="http://schemas.android.com/apk/res/android"...
File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
... 搜索 File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希
File Hash 扩展
下载链接
功能概述
扩展特性
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Cropping an UIImage
...age' declares the selector 'crop' even though I put the .h and .m category files in my project and imported the .h in the class I'm using the category. Any idea?
– Ali
Oct 6 '13 at 16:06
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