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What is a predicate in c#? [duplicate]
... T object.
For example suppose I have a class:
class Person {
public string Name { get; set; }
public int Age { get; set; }
}
Now let's say I have a List<Person> people and I want to know if there's anyone named Oscar in the list.
Without using a Predicate<Person> (or Linq, ...
How to create UILabel programmatically using Swift?
...
Thank you man, I have a question, if I want to pass a string to self.text inside a class to iniciate like this: myLabel = MyLabel(string: "text")
– Daniel Beltrami
Apr 9 '19 at 17:42
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How do I get the key at a specific index from a Dictionary in Swift?
...tialize a new array with the keys or values property:
let airportCodes = [String](airports.keys) // airportCodes is ["TYO", "LHR"]
let airportNames = [String](airports.values) // airportNames is ["Tokyo", "London Heathrow"]
...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...There is no such method that just update a "part of the screen" since Android OS is redrawing every pixel when updating the screen. But, when you're not clearing old drawings on your Canvas, the old drawings are still on the surface and that is probably one way to "update just a part" of the screen....
How can a Javascript object refer to values in itself? [duplicate]
... is a Javascript object. JSON is a method of representing an object with a string (which happens to be valid Javascript code).
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Best way to implement keyboard shortcuts in a Windows Forms application?
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You probably forgot to set the form's KeyPreview property to True. Overriding the ProcessCmdKey() method is the generic solution:
protected override bool ProcessCmdKey(ref Message msg, Keys keyData) {
if (keyData == (Keys.Control | Keys.F)) {
MessageBox.Show("What the Ctrl+F?");
return...
Quick way to list all files in Amazon S3 bucket?
... If you get: boto.exception.S3ResponseError: S3ResponseError: 403 Forbidden Make sure the user policy for the Access/Secret key has access to the S3.
– topherjaynes
May 27 '14 at 23:44
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Inspect element that only appear when other element is mouse overed/entered
...k on the icon, then click on the tooltip :)
– Šime Vidas
Jul 16 '14 at 20:40
3
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How to trigger event in JavaScript?
...eady accepted and the person who wrote the question (@KoolKabin) probably didn't re-read the answers
– Dorian
Jul 16 '16 at 13:24
4
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Unable to add window — token android.os.BinderProxy is not valid; is your activity running?
...show our dialog box or ui change.
@Override
protected void onPostExecute(String response_str) {
getActivity().runOnUiThread(new Runnable() {
@Override
public void run() {
if (!((Activity) mContext).isFinishing()) {
try...