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Do I need a content-type header for HTTP GET requests?
...e.
It means that the Content-Type HTTP header should be set only for PUT and POST requests.
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Is it possible to figure out the parameter type and return type of a lambda?
Given a lambda, is it possible to figure out it's parameter type and return type? If yes, how?
4 Answers
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How can I use if/else in a dictionary comprehension?
...ntioning that you don't need to have an if-else condition for both the key and the value. For example, {(a if condition else b): value for key, value in dict.items()} will work.
– Jeremy Weirich
Jul 26 '16 at 19:41
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Java heap terminology: young, old and permanent generations?
I'm trying to understand What the concepts of young , old and permanent generations are in the Java heap terminology, and more specifically the interactions between the three generations.
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Copy multiple files in Python
...in one directory to another directory using Python.
I have the source path and the destination path as string.
6 Answers
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When do I need to use a semicolon vs a slash in Oracle SQL?
...nits" of work (creating a PL/SQL object, running a PL/SQL anonymous block, and executing a DML statement) can be picked out more easily by eye.
Also, if you eventually move to something like Ant for deployment it will simplify the definition of targets to have a consistent statement delimiter.
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Does List guarantee insertion order?
...ly the List could re-order the collection any time after an item was added and that statement would still be valid. I don't want to get nit-picky about it, but if a manager or QA really made me defend this position, I wouldn't feel very confident with just that quote.
– tehDorf...
C++11 range based loop: get item by value or reference to const
... with copies.
Choose auto &x when you want to work with original items and may modify them.
Choose auto const &x when you want to work with original items and will not modify them.
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What is the difference between packaged_task and async
...nces if you use a rather long function, such as
//! sleeps for one second and returns 1
auto sleep = [](){
std::this_thread::sleep_for(std::chrono::seconds(1));
return 1;
};
Packaged task
A packaged_task won't start on it's own, you have to invoke it:
std::packaged_task<int()> tas...
How to return an array from JNI to Java?
I am attempting to use the android NDK.
4 Answers
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