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How to comment a block in Eclipse?
...-Shift-/ to toggle "/* */" comments. At least for Java, anyway - other tooling may have different shortcuts.
Ctrl-\ will remove a block of either comment, but won't add comments.
Note: As for Eclipse CDT 4.4.2, Ctrl-Shift-/ will not uncomment a "/* */" block comment. Use Ctrl-Shift-\ in that case...
Cannot ping AWS EC2 instance
I have an EC2 instance running in AWS. When I try to ping from my local box it is not available.
25 Answers
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Truncating floats in Python
...te(f, n):
'''Truncates/pads a float f to n decimal places without rounding'''
s = '{}'.format(f)
if 'e' in s or 'E' in s:
return '{0:.{1}f}'.format(f, n)
i, p, d = s.partition('.')
return '.'.join([i, (d+'0'*n)[:n]])
This is valid in Python 2.7 and 3.1+. For older versi...
What is an IIS application pool?
...ow you to isolate your applications from one another, even if they are running on the same server. This way, if there is an error in one app, it won't take down other applications.
Additionally, applications pools allow you to separate different apps which require different levels of security.
He...
Call int() function on every list element?
I have a list with numeric strings, like so:
7 Answers
7
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Can I catch multiple Java exceptions in the same catch clause?
In Java, I want to do something like this:
10 Answers
10
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Setting WPF image source in code
I'm trying to set a WPF image's source in code. The image is embedded as a resource in the project. By looking at examples I've come up with the below code. For some reason it doesn't work - the image does not show up.
...
How to check for null in Twig?
What construct should I use to check whether a value is NULL in a Twig template?
8 Answers
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Difference between a Structure and a Union
...stored at the same spot. This makes it useful when you want to store something that could be one of several types. A struct, on the other hand, has a separate memory location for each of its elements and they all can be used at once.
To give a concrete example of their use, I was working on a Schem...
What is the purpose of the HTML “no-js” class?
I notice that in a lot of template engines, in the HTML5 Boilerplate , in various frameworks and in plain php sites there is the no-js class added onto the <HTML> tag.
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