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How can I find WPF controls by name or type?
...t;/returns>
public static T FindChild<T>(DependencyObject parent, string childName)
where T : DependencyObject
{
// Confirm parent and childName are valid.
if (parent == null) return null;
T foundChild = null;
int childrenCount = VisualTreeHelper.GetChildrenCount(parent);
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How do I assert equality on two classes without an equals method?
...zim I have used the below code to get that Assert.assertEquals(ReflectionToStringBuilder.toString(expected), ReflectionToStringBuilder.toString(actual));
– Abhijeet Kushe
Jun 27 '17 at 18:31
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Convert dictionary to list collection in C#
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Alternatively:
var keys = new List<string>(dicNumber.Keys);
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How to avoid warning when introducing NAs by coercion
...roblematic characters to NA first. For your particular problem, taRifx::destring does just that. This way if you get some other, unexpected warning out of your function, it won't be suppressed.
> library(taRifx)
> x <- as.numeric(c("1", "2", "X"))
Warning message:
NAs introduced by coerc...
Regex - how to match everything except a particular pattern
How do I write a regex to match any string that doesn't meet a particular pattern? I'm faced with a situation where I have to match an (A and ~B) pattern.
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Creating and playing a sound in swift
...Toolbox
extension SystemSoundID {
static func playFileNamed(fileName: String, withExtenstion fileExtension: String) {
var sound: SystemSoundID = 0
if let soundURL = NSBundle.mainBundle().URLForResource(fileName, withExtension: fileExtension) {
AudioServicesCreateSyst...
Difference between Repository and Service Layer?
...e could look like:
public interface IUserService
{
User GetByUserName(string userName);
string GetUserNameByEmail(string email);
bool EditBasicUserData(User user);
User GetUserByID(int id);
bool DeleteUser(int id);
IQueryable<User> ListUsers();
bool ChangePassword(...
Functional programming - is immutability expensive? [closed]
...ject QSortExample {
// Imperative mutable quicksort
def swap(xs: Array[String])(a: Int, b: Int) {
val t = xs(a); xs(a) = xs(b); xs(b) = t
}
def muQSort(xs: Array[String])(l: Int = 0, r: Int = xs.length-1) {
val pivot = xs((l+r)/2)
var a = l
var b = r
while (a <= b) {
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Does a `+` in a URL scheme/host/path represent a space?
I am aware that a + in the query string of a URL represents a space. Is this also the case outside of the query string region? That is to say, does the following URL:
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Wrapping null-returning method in Java with Option in Scala?
Suppose I have a method session.get(str: String): String but you don't know whether it will return you a string or a null, because it comes from Java.
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