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Is asynchronous jdbc call possible?
I wonder if there is a way to make asynchronous calls to a database?
16 Answers
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Using global variables in a function
...var_to_one()
print_globvar() # Prints 1
I imagine the reason for it is that, since global variables are so dangerous, Python wants to make sure that you really know that's what you're playing with by explicitly requiring the global keyword.
See other answers if you want to share a global vari...
Python: most idiomatic way to convert None to empty string?
What is the most idiomatic way to do the following?
16 Answers
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Why should weights of Neural Networks be initialized to random numbers? [closed]
...ing to build a neural network from scratch.
Across all AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
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Is That REST API Really RPC? Roy Fielding Seems to Think So
A large amount of what I thought I knew about REST is apparently wrong - and I'm not alone. This question has a long lead-in, but it seems to be necessary because the information is a bit scattered. The actual question comes at the end if you're already familiar with this topic.
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Still Reachable Leak detected by Valgrind
All the functions mentioned in this block are library functions. How can I rectify this memory leak?
5 Answers
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What resources are shared between threads?
...ds have independent call stacks, however the memory in other thread stacks is still accessible and in theory you could hold a pointer to memory in some other thread's local stack frame (though you probably should find a better place to put that memory!).
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
... out pops the correct answer – no new new scope, new child scope, or new isolate scope – but that is likely asking for too much. Here's my current paltry set of guidelines:
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Grouping functions (tapply, by, aggregate) and the *apply family
... them, though, that beginning useRs may have difficulty deciding which one is appropriate for their situation or even remembering them all. They may have a general sense that "I should be using an *apply function here", but it can be tough to keep them all straight at first.
Despite the fact (noted...
Are negative array indexes allowed in C?
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That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is that E1[E2] is
identical to (*((E1)+(E2))).
There's no magic. It's a 1-1 equivalence. As always when dereferencing a pointer (*), ...