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Regular Expression for alphanumeric and underscores
..., which the range based regexes won't do since they rely on the underlying ordering of the ASCII characters which may be different from other character sets and will therefore exclude some non-ASCII characters (letters such as œ) which you might want to capture.
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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...
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...
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).
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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...
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 ...
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...
What's the difference between QMainWindow, QWidget and QDialog?
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How to log in to phpMyAdmin with WAMP, what is the username and password?
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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...