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Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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AWS S3 copy files and folders between two buckets
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Copy between S3 Buckets
AWS (just recently) released a command line interface for copying between buckets.
http://aws.amazon.com/cli/
$ aws s3 sync s3://mybucket-src s3://mybucket-target --exclude *.tmp
..
This will copy from one target bucket to another bucket.
See the documen...
Referencing system.management.automation.dll in Visual Studio
I am beginning to look into the PowerShell model and snap-in development. The first thing I notice is to reference System.management.automation.dll. However in Visual Studio, the .NET tab does not have that assembly, and nor is one able browse to
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Get generated id after insert
I'm using the SQLite with Android, and I want to know the best way to get the generated id of the row I inserted.
5 Answers...
How do I convert a Vector of bytes (u8) to a string
I am trying to write simple TCP/IP client in Rust and I need to print out the buffer I got from the server.
3 Answers
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What's the difference between deque and list STL containers?
...e is very much like a vector: like vector, it is a sequence that supports random access to elements, constant time insertion and removal of elements at the end of the sequence, and linear time insertion and removal of elements in the middle.
The main way in which deque differs from vector is that de...
Binding a Button's visibility to a bool value in ViewModel
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Assuming AdvancedFormat is a bool, you need to declare and use a BooleanToVisibilityConverter:
<!-- In your resources section of the XAML -->
<BooleanToVisibilityConverter x:Key="BoolToVis" />
<!-- In your Button declaration -->
<Button
Height="50" Width="...
How to keep the console window open in Visual C++?
I'm starting out in Visual C++ and I'd like to know how to keep the console window.
22 Answers
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Using custom std::set comparator
... of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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How to hash some string with sha256 in Java?
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You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, you should use base64 or hex... don't try to use the String(...