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Why catch and rethrow an exception in C#?
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First; the way that the code in the article does it is evil. throw ex will reset the call stack in the exception to the point where this throw statement is; losing the information about where the exception actually was created.
Second, if you just catch and re-throw l...
How do I replace NA values with zeros in an R dataframe?
... posted the question. But I tried know and worked perfectly. I think I was doing something wrong.
– Renato Dinhani
Nov 17 '11 at 14:08
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What is a Manifest in Scala and when do you need it?
...g called Manifest which is a workaround for Java's type erasure. But how does Manifest work exactly and why / when do you need to use it?
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How do I hide an element when printing a web page?
...d the no-print class to an existing class statement) in your HTML that you don't want to appear in the printed version, such as your button.
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Xcode + remove all breakpoints
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In Xcode 4, this doesn't show or delete all breakpoints, just some of them. Try adding a breakpoint from the command line, and you'll see that it doesn't show up in this list.
– James Moore
Mar 7 '13 at...
How to declare and add items to an array in Python?
...rray/list. For lists or arrays, you need [].
To initialize an empty list do this:
my_list = []
or
my_list = list()
To add elements to the list, use append
my_list.append(12)
To extend the list to include the elements from another list use extend
my_list.extend([1,2,3,4])
my_list
--> [...
How do you unit test private methods?
...your test harness is running with full trust (which MSTest running locally does)
– Jay
Dec 9 '10 at 3:16
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Concatenate multiple files but include filename as section headers
...enate a number of text files into one large file in terminal. I know I can do this using the cat command. However, I would like the filename of each file to precede the "data dump" for that file. Anyone know how to do this?
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Are inline virtual functions really a non-sense?
...the function should be inlined without problems - why and if you'd want to do it is another topic :)
– RnR
Apr 9 '09 at 12:12
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How do I set the proxy to be used by the JVM
...he most common example happens when it is reading an XML file and needs to download its schema.
19 Answers
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