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Convert a Python list with strings all to lowercase or uppercase

... Besides being easier to read (for many people), list comprehensions win the speed race, too: $ python2.6 -m timeit '[x.lower() for x in ["A","B","C"]]' 1000000 loops, best of 3: 1.03 usec per loop $ python2.6 -m timeit '[x.upper() for x in ["a","b"...
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Python - How to sort a list of lists by the fourth element in each list? [duplicate]

...he operator module). While some people find itemgetter and attrgetter less readable than lambdas, others use them extensively, so it's at least worth being able to read them and know what they do. – abarnert Jul 9 '13 at 18:20 ...
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Get top n records for each group of grouped results

... A note for anyone reading this: The version is the variables is close to being correct. However, MySQL does not guarantee the order of evaluation of expressions in the SELECT (and, in fact, sometimes evaluates them out-of-order). The key to...
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WebRTC - scalable live stream broadcasting / multicasting

...rtp packet. It all works pretty well, the documentation is fairly easy to read and understand. I suggest you start with the "echotest" example, it is the simplest and you can understand the inner workings of Janus. I suggest you edit the echo test file to make your own, because there is a lot of re...
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Escaping a forward slash in a regular expression

...mple (using an alternate delimiter that could become m{/[^/]+$}, which may read more clearly). Escaping the slash with a backslash is common enough to have earned a name and a wikipedia page: Leaning Toothpick Syndrome. In regular expressions where there's just a single instance, escaping a slash ...
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Jquery Ajax Posting json to webservice

...ur data, but the POSTed data appears to be URLEncoded JSON You may have already seen it, but this post about the invalid JSON primitive covers why the JSON is being URLEncoded. I'd advise against passing a raw, manually-serialized JSON string into your method. ASP.NET is going to automatically JSO...
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Java equivalent of C#'s verbatim strings with @

...EP proposed to drop from JDK 12:326: Raw String Literals (Preview) You can read the rationale here: http://mail.openjdk.java.net/pipermail/jdk-dev/2018-December/002402.html And more details here https://bugs.openjdk.java.net/browse/JDK-8215682 The bottom line: There will not be verbatim strings in...
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What is the difference between sql and mysql [closed]

...MySQL is one of many books holding everything, and SQL is how you go about reading that book. share | improve this answer | follow | ...
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What is the “right” way to iterate through an array in Ruby?

...disappointing. Perhaps Ruby 1.9 addresses this. (Thanks for your time in reading this.) share | improve this answer | follow | ...
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OSGi: What are the differences between Apache Felix and Apache Karaf?

...ionality other than a basic console, file loading so that you can actually read configuration files, etc. The latest zip file of it is 19.1 MB. Yeah. Small. It can easily run on small devices and work in embedded. What you may be thinking of is something more like ServiceMix which uses Karaf as ...