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Java optional parameters
...null ? b : 0;
c = c != null ? c : 0;
//...
}
foo("a", null, 2);
Now all arguments values must be provided, but the default ones may be null.
Optional class. This approach is similar to nulls, but uses Java 8 Optional class for parameters that have a default value:
void foo(String a, Opti...
What's the difference between event.stopPropagation and event.preventDefault?
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It would be helpful to know what the default action is for a button click so I can reason about why stopDefault() doesn't work the same way as stopPropagation(). If the default action isn't calling the onclick method what is it?
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...es they need a routine to swap the case of letters. They implement it. You now have ~20 lines to maintain. You would have ~2 if you used the library. And don't forget the unit tests! * The accepted answer has a downside in that the method name does not describe what the code does. A well reused API ...
Configure WAMP server to send email
... configure php.ini:
sendmail_path = "C:\wamp\sendmail\sendmail.exe -t"
Now, restart Apache, and that is basically all you need to do.
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How do you dismiss the keyboard when editing a UITextField
I know that I need to tell my UITextField to resign first responder when I want to dismis the keyboard, but I'm not sure how to know when the user has pressed the "Done" key on the keyboard. Is there a notification I can watch for?
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How do I concatenate two arrays in C#?
Right now I use
23 Answers
23
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Include jQuery in the JavaScript Console
...xample, on a website I would like to get the number of rows in a table. I know this is really easy with jQuery.
20 Answers
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Are Exceptions in C++ really slow
...th a taxi waiting, so I only had time then for a short comment. But having now commented and upvoted and downvoted I’d better add my own answer. Even if Matthieu’s answer already is pretty good.
Are exceptions especially slow in C++, compared to other languages?
Re the claim
“I was wat...
How to get the connection String from a database
...have created a database with SQL Server Management Studio, I would like to now use it in my C# application. I need the connection string?
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What's the difference between `raw_input()` and `input()` in Python 3?
...e raw_input() does not.
Python 3:
raw_input() was renamed to input() so now input() returns the exact string.
Old input() was removed.
If you want to use the old input(), meaning you need to evaluate a user input as a python statement, you have to do it manually by using eval(input()).
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