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How do I update the GUI from another thread?
...egate void SetControlPropertyThreadSafeDelegate(
Control control,
string propertyName,
object propertyValue);
public static void SetControlPropertyThreadSafe(
Control control,
string propertyName,
object propertyValue)
{
if (control.InvokeRequired)
{
control.Invo...
NSString with \n or line break
Does anyone know how to use line breaks in NSString? I need to do something like this -
10 Answers
...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...
This is how I solved it:
Integer.toHexString(System.identityHashCode(object));
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Asking the user for input until they give a valid response
... = input("Please enter your age: ")
try:
# try and convert the string input to a number
age = int(input_value)
except ValueError:
# tell the user off
print("{input} is not a number, please enter a number only".format(input=input_value))
if age >= 18:
pr...
Execution failed app:processDebugResources Android Studio
...etail?id=42752. The cause usually seems to be a reference to a nonexistent string in one of your menu resources.
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Iterate through the fields of a struct in Go
...y):
import (
"fmt"
"reflect"
)
func main() {
x := struct{Foo string; Bar int }{"foo", 2}
v := reflect.ValueOf(x)
values := make([]interface{}, v.NumField())
for i := 0; i < v.NumField(); i++ {
values[i] = v.Field(i).Interface()
}
fmt.Println(values)
}...
Find and replace string values in list
...
@sberry I have a list ['word STRING', 'word_count BIGINT', 'corpus STRING', 'corpus_date BIGINT'] where I am trying to replace ' with empty but this is not working. how can we replace this using this?
– Sandeep Singh
...
How to display Toast in Android?
...splay Toast in your application, try this:
Toast.makeText(getActivity(), (String)data.result,
Toast.LENGTH_LONG).show();
Another example:
Toast.makeText(getActivity(), "This is my Toast message!",
Toast.LENGTH_LONG).show();
We can define two constants for duration:
int LENGTH_LONG...
How to sort List of objects by some property
...
Using Comparator
For Example:
class Score {
private String name;
private List<Integer> scores;
// +accessor methods
}
Collections.sort(scores, new Comparator<Score>() {
public int compare(Score o1, Score o2) {
// compare two ins...
How can I truncate a double to only two decimal places in Java?
...int numberofDecimals)
{
if ( x > 0) {
return new BigDecimal(String.valueOf(x)).setScale(numberofDecimals, BigDecimal.ROUND_FLOOR);
} else {
return new BigDecimal(String.valueOf(x)).setScale(numberofDecimals, BigDecimal.ROUND_CEILING);
}
}
This method worked fine for ...