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Convert a Python list with strings all to lowercase or uppercase

...e basically take the form of [function-of-item for item in some-list]. For m>exm>ample, to create a new list where all the items are lower-cased (or upper-cased in the second snippet), you would use: >>> [x.lower() for x in ["A","B","C"]] ['a', 'b', 'c'] >>> [x.upper() for x in ["a",...
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Is it m>exm>pensive to use try-catch blocks even if an m>exm>ception is never thrown?

We know that it is m>exm>pensive to catch m>exm>ceptions. But, is it also m>exm>pensive to use a try-catch block in Java even if an m>exm>ception is never thrown? ...
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Fatal error: Maximum m>exm>ecution time of 30 seconds m>exm>ceeded

...r that one script. To make it for all scripts you need to change it in the m>phpm>.ini file. you could also do set_time_limit(0); if you want the script to run forever, or for a long time – Haseeb Dec 2 '13 at 16:12 ...
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Fastest hash for non-cryptographic uses?

...ifferent and md5 is faster. A better test will be to randomize the strings content and length too. this way we get a better idea about the actual real world performance. This will also avoid caching. Take a look: m>phpm> hashing checksum performance – Shlomi Hassid ...
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How do you return a JSON object from a Java Servlet

...ON object to the response object's output stream. You should also set the content type as follows, which will specify what you are returning: response.setContentType("application/json"); // Get the printwriter object from response to write the required json object to the output stream ...
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In m>phpm>, is 0 treated as empty?

... http://m>phpm>.net/empty The following things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variabl...
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mongoose vs mongodb (nodejs modules/m>exm>tensions), which better? and why?

...ll=\"#1BB76E\"/\u003e\u003c/svg\u003e\u003c/a\u003e", contentPolicyHtml: "User contributions licensed under \u003ca href=\"https://stackoverflow.com/help/licensing\"\u003ecc by-sa\u003c/a\u003e \u003ca href=\"https://stackoverflow.com/legal/content-policy\"\u003e(content policy)...
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What does “zend_mm_heap corrupted” mean

...al and error, I found that if I increase the output_buffering value in the m>phpm>.ini file, this error goes away share | improve this answer | follow | ...
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Best way to do multiple constructors in m>PHPm>

...u can't put two __construct functions with unique argument signatures in a m>PHPm> class. I'd like to do this: 21 Answers ...
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How to round up a number to nearest 10?

How can we round off a number to the nearest 10 in m>phpm>? 16 Answers 16 ...