大约有 40,000 项符合查询结果(耗时:0.0589秒) [XML]

https://stackoverflow.com/ques... 

How can I preview a merge in git?

...won't have any merged code or merge conflicts in your branch. This is basically a dry-run. Strategy 2: When you definitely want to merge, but only if there aren't conflicts git checkout mybranch git merge some-other-branch If git reports conflicts (and ONLY IF THERE ARE conflicts) you can then do: ...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

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" ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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,...
https://stackoverflow.com/ques... 

Map function in MATLAB?

I'm a little surprised that MATLAB doesn't have a Map function, so I hacked one together myself since it's something I can't live without. Is there a better version out there? Is there a somewhat-standard functional programming library for MATLAB out there that I'm missing? ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

What is the Swift equivalent of -[NSObject description]?

...bjective-C, one can add a description method to their class to aid in debugging: 7 Answers ...
https://stackoverflow.com/ques... 

Using “this” with class name

I am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was: ...
https://stackoverflow.com/ques... 

How to check if a specific key is present in a hash or not?

I want to check whether the "user" key is present or not in the session hash. How can I do this? 7 Answers ...