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How do I get the number of elements in a list?
...n can be used with several different types in Python - both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
sh...
Junit: splitting integration test and Unit tests
...hese tests (apart from most not working) are a mixture of actual unit test and integration tests (requiring external systems, db etc).
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Clear file cache to repeat performance testing
...ther completely clear, or selectively remove cached information about file and directory contents.
9 Answers
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What exactly is Python's file.flush() doing?
...rs created by the runtime/library/language that you're programming against and is meant to speed things up by avoiding system calls for every write. Instead, when you write to a file object, you write into its buffer, and whenever the buffer fills up, the data is written to the actual file using sys...
C++ Tuple vs Struct
Is there is any difference between using a std::tuple and a data-only struct ?
12 Answers
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How To Check If A Key in **kwargs Exists?
... but it seems **kwargs play by different rules... so why doesn't this work and how can I check to see if a key in **kwargs exists?
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Why use symbols as hash keys in Ruby?
... basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id.
Strings on the other hand are mutable, they can be changed anytim...
Vagrant ssh authentication failure
...lic key to ~/.ssh/authorized_keys on the Vagrant VM. You can do it by copy-and-pasting or using a tool like ssh-copy-id (user: root password: vagrant port: 2222) ssh-copy-id '-p 2222 root@127.0.0.1'
If still does not work try this:
Remove insecure_private_key file from c:\Users\USERNAME\.vagrant...
PHP file_get_contents() and setting request headers
...achieve what you are seeking to, I haven't personally tested this though. (and if it doesn't work, feel free to check out my other answer)
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Create an array or List of all dates between two dates [duplicate]
...n a time-series, you could enumerate all the dates in the full date-range, and pick the value for a date directly from the series if it exists, or the default otherwise. For example:
var paddedSeries = fullDates.ToDictionary(date => date, date => timeSeries.ContainsDate(date)
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