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Given a class, see if instance has method (Ruby)
...OR you think that method_defined means ONLY methods that you defined explicitly with:
def my_method
end
then read this:
In Ruby, a property (attribute) on your model is basically a method also. So method_defined? will also return true for properties, not just methods.
For example:
Given an ins...
A CSS selector to get last visible div
A tricky CSS selector question, don't know if it's even possible.
10 Answers
10
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How to post JSON to a server using C#?
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The way I do it and is working is:
var httpWebRequest = (HttpWebRequest)WebRequest.Create("http://url");
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "POST";
using (var streamWriter = new StreamWriter(httpWeb...
AWK: Access captured group from line pattern
...g time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the -n flag causes perl to loop over every line like awk does.
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Android Studio - Ambiguous method call getClass()
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I think it is a bug in Android Studio. As we know, Android Studio is based on the IntelliJ Platform and the existing functionality of IntelliJ IDEA Community Edition.
Google has developed it in cooperation with JetBrains. And same b...
How to initialize HashSet values by construction?
I need to create a Set with initial values.
23 Answers
23
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How to query as GROUP BY in django?
...follow
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edited Feb 17 '17 at 14:47
jb.
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...d a nightmare to maintain especially for people who are not that familiar with regular expressions.
I think it would be easier to break your regex down and do it one bit at a time. It might take a bit more to do, but I am pretty sure that maintaining it and debugging it would be easier. This would ...
jQuery UI Dialog - missing close icon
...cause you are calling bootstrap in, after you are calling jquery-ui in.
Literally, swap the two so that instead of:
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<script src="js/bootstrap.min.js"></script>
it becomes
<script src="js/bootstrap....
Unable to launch the IIS Express Web server, Failed to register URL, Access is denied
...matic ones.
I'm using Visual Studio 2013 on Windows 7. I think I'm running it as administrator, the window title says PROJECT NAME - Microsoft Visual Studio (Administrator) .
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