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WPF global exception handler [duplicate]
...r, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) {
string errorMessage = string.Format("An unhandled exception occurred: {0}", e.Exception.Message);
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
// OR whatever you want like loggin...
How can I view the shared preferences file using Android Studio?
...TextView;
prefTextView = (TextView) findViewById(R.id.tv_pref);
Map<String, ?> prefs = PreferenceManager.getDefaultSharedPreferences(
context).getAll();
for (String key : prefs.keySet()) {
Object pref = prefs.get(key);
String printVal = "";
if (pref ...
Pass a PHP array to a JavaScript function [duplicate]
...y); ?>, ...)
In cases where you need to parse out an object from JSON-string (like in an AJAX request), the safe way is to use JSON.parse(..) like the below:
var s = "<JSON-String>";
var obj = JSON.parse(s);
sha...
How to clone a case class instance and change just one field in Scala?
...e a method on Persona to simplify usage:
case class Persona(
svcName : String,
svcId : String,
sentMsgs : Set[String]
) {
def plusMsg(msg: String) = this.copy(sentMsgs = this.sentMsgs + msg)
}
then
val newPersona = existingPersona plusMsg newMsg
...
Java: is there a map function?
...le:
// example, converts a collection of integers to their
// hexadecimal string representations
final Collection<Integer> input = Arrays.asList(10, 20, 30, 40, 50);
final Collection<String> output =
Collections2.transform(input, new Function<Integer, String>(){
@Over...
Is there a PHP function that can escape regex patterns before they are applied?
...
preg_quote() is what you are looking for:
Description
string preg_quote ( string $str [, string $delimiter = NULL ] )
preg_quote() takes str and puts a
backslash in front of every character
that is part of the regular expression
syntax. This is useful if you have a
...
Getting a better understanding of callback functions in JavaScript
...
Why do you cast callback to string and then check its type? Will this enhance performance? This is like checking the type, checking if the converted boolean returns true and then checking its type again and testing it against the string... Could you exp...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...an I specify that I want gdb to break at line x when char* x points to a string whose value equals "hello" ? If yes, how?
...
PHP case-insensitive in_array function
...
The above is correct if we assume that arrays can contain only strings, but arrays can contain other arrays as well. Also in_array() function can accept an array for $needle, so strtolower($needle) is not going to work if $needle is an array and array_map('strtolower', $haystack) is not ...
How do you express binary literals in Python?
...
This is interesting for when you have strings, but if working with pure numbers, you add unnecessary computations to the code.
– Daniel Möller
Aug 18 '17 at 17:34
...