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Calling constructors in c++ without new
...d the most common way of creating new dynamic objects instead of using auto_ptr, unique_ptr, or related.
– Fred Nurk
Jan 18 '11 at 13:18
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How to vertically center a container in Bootstrap?
...that elements properly (relative, absolute? up to you.) and add a higher z-index value (for assurance) to keep them always on the top of the others.
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How to convert hashmap to JSON object in Java
...ions you can get from its documentation
http://stleary.github.io/JSON-java/index.html
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How to get the last character of a string in a shell?
...ilename expansion.
To get the last character you should just use -1 as the index since the negative indices count from the end of the string:
echo "${str: -1}"
The space after the colon (:) is REQUIRED.
This approach will not work without the space.
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Escape quotes in JavaScript
I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS ).
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Resharper- Find all unused classes
...g the "Find Usages" option. Is there any way I can see or get the list of all the unused classes or files in my project ?
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How to do parallel programming in Python?
For C++, we can use OpenMP to do parallel programming; however, OpenMP will not work for Python. What should I do if I want to parallel some parts of my python program?
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What's wrong with nullable columns in composite primary keys?
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Primary keys are for uniquely identifying rows. This is done by comparing all parts of a key to the input.
Per definition, NULL cannot be part of a successful comparison. Even a comparison to itself (NULL = NULL) will fail. This means a key containing NULL would not work.
Additonally, NULL is al...
Pretty print in MongoDB shell as default
...y, everything is output to a single line and it's difficult to read, especially with nested arrays and documents.
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CSS performance relative to translateZ(0)
...n applied to them will act more like absolutely positioned elements, and z-index values are likely to get screwed with.
If you take a look at this demo, you'll see what I mean. The second div has a transformation applied to it, meaning that it creates a new stacking context, and the pseudo elements...