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#include in .h or .c / .cpp?
... In other cases yes, you can forward declare incomplete types like struct foo; or class bar; and not include the header file, but now you've increased your maintenance burden. You have to keep your forward declarations in sync with what's in the header file - it's just easier to include the header...
.htaccess rewrite to redirect root URL to subdirectory
...as surprised that nobody mentioned this:
RedirectMatch ^/$ /store/
Basically, it redirects the root and only the root URL.
The answer originated from this link
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Static method in a generic class?
...stance fields. For static fields and static methods, they are shared among all instances of the class, even instances of different type parameters, so obviously they cannot depend on a particular type parameter.
It doesn't seem like your problem should require using the class's type parameter. If y...
How can I add a help method to a shell script?
... into a shell script? I would like to display a help message when a user calls myscript.sh -h .
6 Answers
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Node.js check if file exists
...ter a minute search try this :
var path = require('path');
path.exists('foo.txt', function(exists) {
if (exists) {
// do something
}
});
// or
if (path.existsSync('foo.txt')) {
// do something
}
For Node.js v0.12.x and higher
Both path.exists and fs.exists have been de...
Breaking out of a nested loop
...using goto is any worse than the normal use of something like break (after all they're both just unconditional branches to a label, it's just that with break the label is implicit).
– Greg Beech
Nov 28 '08 at 0:07
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Find the most frequent number in a numpy vector
...
If your list contains all non-negative ints, you should take a look at numpy.bincounts:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.bincount.html
and then probably use np.argmax:
a = np.array([1,2,3,1,2,1,1,1,3,2,2,1])
counts = np.bi...
Conveniently map between enum and int / String
...n't require 'fiddling with reflection' because it's based on the fact that all enum types implicitly inherit the Enum interface.
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How do I check if string contains substring? [duplicate]
...))
This works because indexOf() returns -1 if the string wasn't found at all.
Note that this is case-sensitive.
If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
Or:
if (/yes/i.test(str))
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What is the purpose of .PHONY in a Makefile?
...he file system. Good examples for this are the common targets "clean" and "all". Chances are this isn't the case, but you may potentially have a file named clean in your main directory. In such a case Make will be confused because by default the clean target would be associated with this file and Ma...