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What is the easiest way to initialize a std::vector with hardcoded elements?
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One method would be to use the array to initialize the vector
static const int arr[] = {16,2,77,29};
vector<int> vec (arr, arr + sizeof(arr) / sizeof(arr[0]) );
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Declaring javascript object method in constructor function vs. in prototype [duplicate]
... javascript objects, I can put a method declaration either in the constructor function or in the prototype. For example, say I want a Dog class that has a Name property and a Bark method. I can put the declaration of the Bark method into the constructor function:
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How to copy a java.util.List into another java.util.List
...ontents of that list into an empty list of the same type. A Google search for copying a list suggested me to use Collections.copy() method. In all the examples I saw, the destination list was supposed to contain the exact number of items for the copying to take place.
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How does one make random number between range for arc4random_uniform()?
...roll two dice and as we all know your regular die only has 6 sides so I imported Foundation for access to arc4random_uniform(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
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How can I represent an 'Enum' in Python?
I'm mainly a C# developer, but I'm currently working on a project in Python.
43 Answers
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Why are Oracle table/column/index names limited to 30 characters?
...s surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
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When to dispose CancellationTokenSource?
The class CancellationTokenSource is disposable. A quick look in Reflector proves usage of KernelEvent , a (very likely) unmanaged resource.
Since CancellationTokenSource has no finalizer, if we do not dispose it, the GC won't do it.
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Reverse / invert a dictionary mapping
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For Python 2.7.x
inv_map = {v: k for k, v in my_map.iteritems()}
For Python 3+:
inv_map = {v: k for k, v in my_map.items()}
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How do I “commit” changes in a git submodule? [duplicate]
...e. it's now full of changes that I've just realized haven't been committed or pushed anywhere.
5 Answers
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X-Frame-Options Allow-From multiple domains
...as been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.
The modern alternative is the Content-Security-Policy header, which along many other pol...