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How do C++ class members get initialized if I don't do it explicitly?
...e object's class does not have a default constructor, it will be a compile error if you do not explicitly initialize it.
For primitive types (pointers, ints, etc), they are not initialized -- they contain whatever arbitrary junk happened to be at that memory location previously.
For references (e....
Optimize Font Awesome for only used classes
... avoid this?
– Adam
Oct 3 '16 at 10:05
Fontello have some missing icons. No React, JavaScript, Node.js, Java, for exam...
How to save/restore serializable object to/from file?
...}
NOTE: This code hasn't been compiled, let alone run- there may be some errors. Also, this assumes completely out-of-the-box serialization/deserialization. If you need custom behavior, you'll need to do additional work.
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AWK: Access captured group from line pattern
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Apparently someone disagrees. This web page is from 2005 : tek-tips.com/faqs.cfm?fid=5674 It confirms that you cannot reuse matched groups in awk.
– Peter Tillemans
Jun 2 '10 at 13:00
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Quickest way to convert a base 10 number to any base in .NET?
...nts) converting 46655 to base 36. This is caused by a small floating-point error calculating Math.Log(46656, 36) which is exactly 3, but .NET returns 3 + 4.44e-16, which causes an extra character in the output buffer.
share...
Cannot import XSSF in Apache POI
... the version 3.7 of the Apache POI and I am getting a "cannot be resolved" error when I do:
11 Answers
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Calculate the execution time of a method
I have an I/O time-taking method which copies data from a location to another. What's the best and most real way of calculating the execution time? Thread ? Timer ? Stopwatch ? Any other solution? I want the most exact one, and briefest as much as possible.
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Is there a (repeat-last-command) in Emacs?
...nd command.
– Drew
Jan 26 '14 at 23:05
You can also use C-x M-: as part of a keyboard macro, which can be handy. The ...
How to get CRON to call in the correct PATHs
I'm trying to get cron to call in the correct PATHs. When I run a Python script from shell the script runs fine as it uses the PATHs set in bashrc but when I use cron all the PATHs are not used from bashrc. Is there a file I can enter the PATHs into for cron like bashrc or a way to call the PATHs fr...
Apache: “AuthType not set!” 500 Error
... for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log:
6 Answers...