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Split a string by a delimiter in python
... imageUploader: {
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Remove by _id in MongoDB console
In the MongoDB console how can I remove a record by id? Here's my collection :
11 Answers
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How can I check whether a option already exist in select by JQuery
How can I check whether a option already exist in select by JQuery?
8 Answers
8
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What is the difference between vmalloc and kmalloc?
...ry about using physically contiguous memory if the buffer will be accessed by a DMA device on a physically addressed bus (like PCI). The trouble is that many system calls have no way to know whether their buffer will eventually be passed to a DMA device: once you pass the buffer to another kernel su...
How does collections.defaultdict work?
... being thrown, a new entry is created. The type of this new entry is given by the argument of defaultdict.
For example:
somedict = {}
print(somedict[3]) # KeyError
someddict = defaultdict(int)
print(someddict[3]) # print int(), thus 0
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Unable to read data from the transport connection : An existing connection was forcibly closed by th
... or "Unavailable".
Edit - added
It IS possible that this is being caused by a firewall blocking the port, but given that you say it's intermittent ("sometimes when the client tries to connect"), that's very unlikely. I didn't include that originally because I had ruled it out mentally before repl...
How to convert an ArrayList containing Integers to primitive int array?
...is:
getting a Stream<Integer> from the list
obtaining an IntStream by mapping each element to itself (identity function), unboxing the int value hold by each Integer object (done automatically since Java 5)
getting the array of int by calling toArray
You could also explicitly call intValue...
A simple explanation of Naive Bayes Classification
... Bayes, and I was wondering if someone could explain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual dataset.
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How to colorize diff on the command line?
...
Just found that myself :-). It can be piped into less by using less -R, which displays the escape sequences for colors correctly.
– daniel kullmann
Jan 10 '12 at 9:25
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Is there a difference between authentication and authorization?
...e is indeed a fundamental difference. Authentication is the mechanism whereby systems may securely identify their users. Authentication systems seek to provide answers to the questions:
Who is the user?
Is the user really who they claim / represent to be?
Authorization, by contrast, is the mecha...