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How do I split a string on a delimiter in Bash?
...
now after the fix applied, only within the duration of the read command :)
– Johannes Schaub - litb
May 28 '09 at 3:04
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How can I use threading in Python?
...nction are provided by two libraries:multiprocessing, and also its little known, but equally fantastic step child:multiprocessing.dummy.
multiprocessing.dummy is exactly the same as multiprocessing module, but uses threads instead (an important distinction - use multiple processes for CPU-intensive...
Strange out of memory issue while loading an image to a Bitmap object
...ts within the available memory.
Load a scaled down version into Memory
Now that the image dimensions are known, they can be used to decide if the full image should be loaded into memory or if a subsampled version should be loaded instead. Here are some factors to consider:
Estimated memory usa...
How to use C++ in Go
...cplusplus
}
#endif
(I use a void* instead of a C struct so the compiler knows the size of Foo)
The implementation is:
//cfoo.cpp
#include "foo.hpp"
#include "foo.h"
Foo FooInit()
{
cxxFoo * ret = new cxxFoo(1);
return (void*)ret;
}
void FooFree(Foo f)
{
cxxFoo * foo = (cxxFoo*)f;
delete ...
Passing arrays as parameters in bash
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This answer helped me solve an issue just now. However, I wanted to point out that on my machine (using bash 4.3.42) the "${!1}" and "${!2}" need to have the quotes removed. If you do not, the value of the original array is read as one string and assigned to argAry1[...
Is it possible to make a type only movable and not copyable?
... the marker types is preferred if the destructor is doing nothing.
Types now move by default, that is, when you define a new type it doesn't implement Copy unless you explicitly implement it for your type:
struct Triplet {
one: i32,
two: i32,
three: i32
}
impl Copy for Triplet {} // a...
Re-raise exception with a different type and message, preserving existing information
...ture, the __cause__ attribute is set. The built-in exception handler also knows how to report the exception's “cause” and “context” along with the traceback.
In Python 2, it appears this use case has no good answer (as described by Ian Bicking and Ned Batchelder). Bummer.
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SET versus SELECT when assigning variables?
...d hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one)
When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the ...
Is there a download function in jsFiddle?
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@LeosLiterak updated. and thanks for reminding so that now the answer will be more clear for any.
– Pradeep Kumar Prabaharan
Apr 6 '17 at 12:06
add a comme...
What is java interface equivalent in Ruby?
...ple: where in java.util.Set<E> does it actually say that it is, you know, a set? Nowhere! Or more precisely, in the documentation. In English.
In pretty much all cases of interfaces, both from Java and .NET, all the relevant information is actually in the docs, not in the types. So, if the typ...