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Is it possible to await an event instead of another async method?
...kCompletionSource<object> continueClicked;
private async void Button_Click_1(object sender, RoutedEventArgs e)
{
// Note: You probably want to disable this button while "in progress" so the
// user can't click it twice.
await GetResults();
// And re-enable the button here, possibly ...
Converting camel case to underscore case in ruby
...ef underscore
self.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end
Then you can do fun stuff:
"CamelCase".underscore
=> "camel_case"
...
WPF OpenFileDialog with the MVVM pattern? [duplicate]
...ou would consume it.
public MyViewModel : ViewModel
{
private string _selectedPath;
public string SelectedPath
{
get { return _selectedPath; }
set { _selectedPath = value; OnPropertyChanged("SelectedPath"); }
}
private RelayCommand _openCommand;
pu...
Conveniently Declaring Compile-Time Strings in C++
...
I haven't seen anything to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13,...
Set the maximum character length of a UITextField
...ed in to itself with an empty string. This will crash because it never actually pasted the string in to itself. It will try to replace a part of the string that doesn't exist.
Fortunately you can protect the UITextField from killing itself like this. You just need to ensure that the range it propose...
How do I delete all messages from a single queue using the CLI?
How do I delete all messages from a single queue using the cli?
I have the queue name and I want to clean it.
9 Answers
...
Declaration/definition of variables locations in ObjectiveC?
Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach, on the other we have the new ObjectiveC directives that add OO on top of that. Could you fo...
How to write a JSON file in C#?
...ializeObject(_data.ToArray());
//write string to file
System.IO.File.WriteAllText(@"D:\path.txt", json);
Or the slightly more efficient version of the above code (doesn't use a string as a buffer):
//open file stream
using (StreamWriter file = File.CreateText(@"D:\path.txt"))
{
JsonSerializ...
How to use font-awesome icons from node-modules
I have installed font-awesome 4.0.3 icons using npm install .
10 Answers
10
...
How do I find out what keystore my JVM is using?
...
Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places,
Computer--->Advanced --> Environment variables---> JAVA_HOME
Your serv...