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Capturing multiple line output into a Bash variable
...
Actually, RESULT contains what you want — to demonstrate:
echo "$RESULT"
What you show is what you get from:
echo $RESULT
As noted in the comments, the difference is that (1) the double-quoted version of the variable (e...
What does “static” mean in C?
...rol" feature. If you have a .c file implementing some functionality, it usually exposes only a few "public" functions to users. The rest of its functions should be made static, so that the user won't be able to access them. This is encapsulation, a good practice.
Quoting Wikipedia:
In the C pro...
How to prepend a string to a column value in MySQL?
I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
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What is the difference between const int*, const int * const, and int const *?
...= int const *
const int * const == int const * const
If you want to go really crazy you can do things like this:
int ** - pointer to pointer to int
int ** const - a const pointer to a pointer to an int
int * const * - a pointer to a const pointer to an int
int const ** - a pointer to a pointer t...
Overloaded method selection based on the parameter's real type
...n Java, dynamic method dispatch happens only for the object the method is called on, not for the parameter types of overloaded methods.
Citing the Java Language Specification:
When a method is invoked (§15.12), the
number of actual arguments (and any
explicit type arguments) and the
comp...
How to Remove Array Element and Then Re-Index Array?
...ing that you can unset multiple variables/array indexes in a single unset call unset($foo[0], $foo[3], $bar[1]);
– ᴍᴀᴛᴛ ʙᴀᴋᴇʀ
May 14 '14 at 9:41
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Process all arguments except the first one (in a bash script)
...a simple script where the first argument is reserved for the filename, and all other optional arguments should be passed to other parts of the script.
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Is it possible to allow didSet to be called during initialization in Swift?
...someProperty as type: AnyObject! (an implicitly
unwrapped optional), you allow self to fully initialize without
someProperty being set. When you call
setSomeProperty(someProperty) you're calling an equivalent of
self.setSomeProperty(someProperty). Normally you wouldn't be able to
do this b...
When should I use @classmethod and when def method(self)?
...fine functions in classes. The author seems to use them both very intentionally. The first one is one I myself use a lot:
3...
Cannot refer to a non-final variable inside an inner class defined in a different method
...have been cleaned up.
By making lastPrice and price final, they are not really variables anymore, but constants. The compiler can then just replace the use of lastPrice and price in the anonymous class with the values of the constants (at compile time, of course), and you won't have the problem wit...