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How do we use runOnUiThread in Android?
... {
new Thread() {
public void run() {
while (i++ < 1000) {
try {
runOnUiThread(new Runnable() {
@Override
public void run() {
btn.setText("#" + i);
...
How can I remove the string “\n” from within a Ruby string?
...r string removed you can use the strip method.
" hello ".strip #=> "hello"
"\tgoodbye\r\n".strip #=> "goodbye"
as mentioned here.
edit The original title for this question was different. My answer is for the original question.
...
Comparing two NumPy arrays for equality, element-wise
...t np.array_equal IME. (A==B).all() will crash if A and B have different lengths. As of numpy 1.10, == raises a deprecation warning in this case.
– Wilfred Hughes
Jul 1 '16 at 13:25
...
CentOS 64 bit bad ELF interpreter
...hich YOURAPPNAME)
The output will look like this:
linux-gate.so.1 => (0xf7760000)
libpthread.so.0 => /lib/libpthread.so.0 (0xf773e000)
libSM.so.6 => not found
Check for missing libraries (e.g. libSM.so.6 in the above output), and for each one you need to find the package t...
Removing “NUL” characters
...
Click Search --> Replace --> Find What: \0 Replace with: "empty" Search mode: Extended --> Replace all
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improve this answer...
Easier way to debug a Windows service
...service as application. i add --interactive to project options (Debugging > Command Arguments). So i can easily debug from VS. double clicking will not create an unwanted running instance since --interactive is required. just my 2 cents.
– Emir Akaydın
Feb ...
How do I provide custom cast support for my class?
... return x.iVal;
}
For your example, say from your custom Type (MyType --> byte[] will always work):
public static implicit operator byte[] (MyType x)
{
byte[] ba = // put code here to convert x into a byte[]
return ba;
}
or
public static explicit operator MyType(byte[] x)
{
if (...
What is the difference between the bridge pattern and the strategy pattern?
...ern in Swift:
protocol PrintStrategy {
func print(_ string: String) -> String
}
class Printer {
let strategy: PrintStrategy
init(strategy: PrintStrategy) {
self.strategy = strategy
}
func print(_ string: String) -> String {
return self.strategy.print(string)
}
...
Cancellation token in Task constructor: why?
...ellationToken token = cts.Token;
Task myTask = Task.Factory.StartNew(() =>
{
for (...)
{
token.ThrowIfCancellationRequested();
// Body of for loop.
}
}, token);
// ... elsewhere ...
cts.Cancel();
...
how to implement a pop up dialog box in iOS
...n(title: "OK!", style: UIAlertActionStyle.default)
{
(UIAlertAction) -> Void in
}
alert.addAction(alertAction)
present(alert, animated: true)
{
() -> Void in
}
As you can see, the API allows us to implement callbacks for both the action and when we are presenting the alert, which is ...