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Unicode Processing in C++
...n be found here:
http://code.google.com/p/netwidecc/downloads/list
It is called WSUCONV and comes with a sample main() program that converts between UTF-8, UTF-16, and Standard ASCII. If you throw away the main code, you've got a nice library for reading / writing UNICODE.
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Why is sed not recognizing \t as a tab?
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Called from a script, that won't work: tabs would be ignored by sh. For example, the following code from a shell script will add $TEXT_TO_ADD, without prepending it by a tabulation: sed "${LINE}a\\ $TEXT_TO_ADD ...
Inserting image into IPython notebook markdown
... Using jupyter notebook 4.2.0, it doesn't show up the image unless I call display too: from IPython.display import Image, display; display(Image(filename='output1.png'))
– Matteo T.
Aug 2 '16 at 21:24
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Why do I need Transaction in Hibernate for read-only operations?
...ght be problematic. For instance Hibernate community says that working outside of transaction might cause unpredictable behavior. This is because Hibernate will open transaction, but it won't close it on its own, thus connection will be returned to the Connection Pool with transaction being not comm...
How do I consume the JSON POST data in an Express application
...equest.
The response object is for sending the HTTP response back to the calling client, whereas you are wanting to access the body of the request. See this answer which provides some guidance.
If you are using valid JSON and are POSTing it with Content-Type: application/json, then you can use th...
Double Iteration in List Comprehension
... 2], [3, 4]]
>>> [x for x in b for b in a]
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'b' is not defined
>>> [x for b in a for x in b]
[1, 2, 3, 4]
>>> [x for x in b for b in a]
[3, 3, 4, 4]
I guess Python parses...
Is there a fixed sized queue which removes excessive elements?
...fixed size. When I add an element and the queue is full, it should automatically remove the oldest element.
16 Answers
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...form. The second form, using a pair of backquotes (the "`" character, also called a backtick and a grave accent), is the historical way of doing it. The first form, using dollar sign and parentheses, is a newer POSIX form, which means it's probably a more standard way of doing it. In turn, I'd think...
Remove empty strings from a list of strings
...ist)
Python 3 returns an iterator from filter, so should be wrapped in a call to list()
str_list = list(filter(None, str_list))
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Java, List only subdirectories from a directory, not files
...cussion here:
How to retrieve a list of directories QUICKLY in Java?
Basically:
If you control the file structure, I would try to avoid getting into that situation.
In Java NIO.2, you can use the directories function to return an iterator to allow for greater scaling. The directory stream class ...