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Where is the “Fold” LINQ Extension Method?
... prod * next);
See MSDN for more information. It lets you specify a seed and then an expression to calculate successive values.
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Counting the number of elements with the values of x in a vector
... x creates a logical vector which is TRUE at every location that x occurs, and when suming, the logical vector is coerced to numeric which converts TRUE to 1 and FALSE to 0.
However, note that for floating point numbers it's better to use something like: sum(abs(numbers - x) < 1e-6).
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Delete everything in a MongoDB database
...way everything in a database—that is, to delete every single collection, and whatever else might be lying around, and start from scratch. Is there a single line of code that will let me do this? Bonus points for giving both a MongoDB console method and a MongoDB Ruby driver method.
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Adjusting the Xcode iPhone simulator scale and size [duplicate]
...5 in Xcode, be the actual size of the iPhone 5. I'm getting a huge display and things seemed to be scaled.
8 Answers
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virtualenv --no-site-packages and pip still finding global packages?
...on that virtualenv --no-site-packages would create a completely separate and isolated Python environment, but it doesn't seem to.
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Importing variables from another file?
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from file1 import *
will import all objects and methods in file1
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Is the != check thread safe?
... edited Apr 15 '16 at 12:57
Andrew Tobilko
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answered Aug 27 '13 at 8:35
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How can I split a text into sentences?
...Russian -- see can NLTK/pyNLTK work “per language” (i.e. non-english), and how?.
– martineau
Jan 2 '11 at 0:28
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What is the difference between require and require-dev sections in composer.json?
I'm beginning using composer, I know so little about it and have a little experience with web application development.
6 An...
Uploading both data and files in one form using Ajax?
I'm using jQuery and Ajax for my forms to submit data and files but I'm not sure how to send both data and files in one form?
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