大约有 7,000 项符合查询结果(耗时:0.0323秒) [XML]
Waiting until two async blocks are executed before starting another block
...undPage.current.needsIndefiniteExecution = true
let queue = DispatchQueue(label: "com.company.app.queue", attributes: .concurrent)
let group = DispatchGroup()
queue.async(group: group) {
print("#1 started")
Thread.sleep(forTimeInterval: 5)
print("#1 finished")
}
queue.async(group: gro...
Prevent the keyboard from displaying on activity start
... file's activity -
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name"
android:windowSoftInputMode="stateHidden"
>
If you have already been using android:windowSoftI...
Is it correct to use alt tag for an anchor link?
...y to be more beneficial, you can use the ARIA accessibility attribute aria-label (not to be confused with aria-labeledby). aria-label serves the same function as the alt attribute does for images but for non-image elements and includes some measure of optimization since your optimizing for screen r...
How to use background thread in swift?
... the background thread you would use:
let backgroundQueue = DispatchQueue(label: "com.app.queue", qos: .background)
backgroundQueue.async {
print("Run on background thread")
}
Or if you want something in two lines of code:
DispatchQueue.global(qos: .background).async {
print("Run on back...
A simple explanation of Naive Bayes Classification
... task is to classify new cases as they arrive, i.e., decide to which class label they belong, based on the currently existing objects.
Since there are twice as many GREEN objects as RED, it is reasonable to believe that a new case (which hasn't been observed yet) is twice as likely to have membersh...
Declaring variables inside a switch statement [duplicate]
...the syntax of the language. You're getting an error because "case 0:" is a label, and in C it's illegal to have a declaration as the first statement after a label — note that the compiler expects an expression, such as a method call, normal assignment, etc. (Bizarre though it may be, that's the ru...
Why is UICollectionViewCell's outlet nil?
...ws on it to the class, and then when I want to use and set a string to the label on the string, tha label has a nil value.
...
how to draw smooth curve through N points using javascript HTML5 canvas?
.../splines/aboutSplines.html">article</a>)
<br><label><input type="checkbox" id="showPoints" checked> Show points</label>
<br><label><input type="checkbox" id="showControlLines" checked> Show control lines</label>
...
OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
...
As you can see from this example: http://jsfiddle.net/UTwGS/
HTML:
<label><input type="radio" value="1" name="my-radio">Radio One</label>
<label><input type="radio" value="2" name="my-radio">Radio One</label>
jQuery:
$('input[type="radio"]').on('click ch...
Best practice to make a multi language application in C#/WinForms? [closed]
... the resource file, but I find this approach harder to maintain, since the labels are dispersed throughout the application.
The global resource file allows you to centralise all the labels (images etc.) in one file (per language), but it means manually setting the labels in the form load. This file...
