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Set a default parameter value for a JavaScript function
...e optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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How do I capture response of form.submit
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You won't be able to do this easily with plain javascript. When you post a form, the form inputs are sent to the server and your page is refreshed - the data is handled on the server side. That is, the submit() function doesn't actually return anythin...
advantage of tap method in ruby
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they would have to follow all the three lines and then recognize that it is just creating an instance named user.
If it were:
user = User.new.tap do |u|
u.username = "foobar"
u.save!
end
then that would be immediately clear. A reader would not have to read what is inside the block to know ...
How to Remove Array Element and Then Re-Index Array?
... want to remove element (elements) of it by index and then re-index array. Is it possible?
9 Answers
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How can I determine if a .NET assembly was built for x86 or x64?
I've got an arbitrary list of .NET assemblies.
15 Answers
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Does Python support short-circuiting?
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answered Apr 5 '10 at 18:20
Alex MartelliAlex Martell...
How to get a user's client IP address in ASP.NET?
We have Request.UserHostAddress to get the IP address in ASP.NET, but this is usually the user's ISP's IP address, not exactly the user's machine IP address who for example clicked a link. How can I get the real IP Address?
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Is there a good Valgrind substitute for Windows?
I was looking into Valgrind to help improve my C coding/debugging when I discovered it is only for Linux - I have no other need or interest in moving my OS to Linux so I was wondering if there is a equally good program for Windows.
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Try-catch speeding up my code?
... wrote some code for testing the impact of try-catch, but seeing some surprising results.
5 Answers
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How do HTML parses work if they're not using regexp?
...se or extract something from some HTML string and the first answer/comment is always "Don't use RegEx to parse HTML, lest you feel the wrath!" (that last part is sometimes omitted).
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