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Why doesn't std::queue::pop return value.?
... T pop()
{
auto x = elements[top_position];
// TODO: call destructor for elements[top_position] here
--top_position; // alter queue state here
return x; // calls T(const T&) which may throw
}
If the copy constructor of T throws on return, you h...
How should I unit test threaded code?
... do is simulate this situation. But this might require you to code specifically for testing, and that's at best a half step towards a true solution.
Probably the best way to test code for threading issues is through static analysis of the code. If your threaded code doesn't follow a finite set of...
How to Rotate a UIImage 90 degrees?
...
My comment was that drawAtPoint may have to be called after the call to set the proper RotateCTM. Try moving drawAtPoint to just before UIGraphicsGetImageFromCurrentImageContext
– fbrereto
Aug 23 '09 at 6:52
...
How to turn IDENTITY_INSERT on and off using SQL Server 2008?
Why am I getting an error doing an insert when IDENTITY_INSERT is set to OFF?
8 Answers
...
How to send a simple string between two programs using pipes?
...rocess and will vanish when the last process closes it.
A named pipe, also called a FIFO for its behavior, can be used to connect two unrelated processes and exists independently of the processes; meaning it can exist even if no one is using it. A FIFO is created using the mkfifo() library function...
Creating an array of objects in Java
...m C++ background I always assumed that like in C++ Java's new keyword also calls the constructor and allocates the I memory. I guess in Java new only creates the references not the actual object as compared to C++. Thanks for answer.
– Krishna Oza
Jan 12 '15 at...
Deserializing a JSON into a JavaScript object
...tpRequest,
communication is permitted only to the same origin that
provide that page, so it is trusted.
But it might not be competent.
If the server is not rigorous in its JSON encoding,
or if it does not scrupulously validate all of its inputs,
then it could deliver invalid JSON text th...
Measuring elapsed time with the Time module
...
avg_time = sum(data[1]) / len(data[1])
print "Function %s called %d times. " % (fname, data[0]),
print 'Execution time max: %.3f, average: %.3f' % (max_time, avg_time)
def clear_prof_data():
global PROF_DATA
PROF_DATA = {}
Usage:
@profile
def your_function(...):
...
Does a finally block always get executed in Java?
...
Yes, finally will be called after the execution of the try or catch code blocks.
The only times finally won't be called are:
If you invoke System.exit()
If you invoke Runtime.getRuntime().halt(exitStatus)
If the JVM crashes first
If the JVM re...
Why is this inline-block element pushed downward?
...d remove the clutter first.
1 -
Why not give all three divs same border width?
Let's give it.
2 - Does floating element has any connection with inline-block element being pushed downward?
No, it has nothing to do with it.
So, we have removed that div altogether. And you are witnessing same behav...