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In Clojure 1.3, How to read and write a file

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...
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How to extract one column of a csv file

...le DOS style line breaks (CRLF i.e. "\r\n") and UTF-16 encoding (with byte order mark) to "\n" and UTF-8 (without byte order mark), respectively. Standard CSV files use CRLF as line break, see Wikipedia. If the input may contain multiline fields, you can use the following script. Note the use of sp...
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Setting an object to null vs Dispose()

...n the case where the user of the type has forgotten to dispose of it in an orderly manner. So if you open a FileStream but forget to call Dispose or Close, the finalizer will eventually release the underlying file handle for you. In a well-written program, finalizers should almost never fire in my o...
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Python unit test with base and sub class

... This method only works for setUp and tearDown methods if you reverse the order of the base classes. Because the methods are defined in unittest.TestCase, and they don't call super(), then any setUp and tearDown methods in CommonTests need to be first in the MRO, or they won't be called at all. ...
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Does Python optimize tail recursion?

...on't need such a feature, I am very happy with the code above. However, in order to provide a more general module, I thought a little more in order to find some workaround for this issue (see next section). Concerning the speed of this process (which isn't the real issue however), it happens to be ...
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Send POST data using XMLHttpRequest

... not fully answer the OP question because it requires the user to click in order to submit the request. But this may be useful to people searching for this kind of simple solution. This example is very simple and does not support the GET method. If you are interesting by more sophisticated exampl...
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How to filter rows in pandas by regex

...explain the difference between match, fullmatch and contains. Note that in order to use the results for indexing, set the na=False argument (or True if you want to include NANs in the results). share | ...
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The Guava library: What are its most useful and/or hidden features? [closed]

...g collection mapped to a key and creating and adding it if it isn't there. Ordering is great for building Comparators that behave just how you want. Maps.uniqueIndex and Multimaps.index: these methods take an Iterable and a Function and build an ImmutableMap or ImmutableListMultimap that indexes th...
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What do we mean by Byte array? [closed]

...guous (side by side) bytes, such that it makes sense to talk about them in order: the first byte, the second byte etc.. Just as bytes can encode different types and ranges of data (numbers from 0 to 255, numbers from -128 to 127, single characters using ASCII e.g. 'a' or '%', CPU op-codes), each by...
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Mixing Angular and ASP.NET MVC/Web api?

...ication and authorization. You wrote that one could abandon ASP.NET MVC in order to go for pure REST/WebAPI. Now I wonder: Is authentication and authorization as easy to accomplish as in ASP.NET MVC? Not to mention how easy it is to implement OAuth for Google etc.. So my question is, how easy it is ...