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Difference between open and codecs.open in Python

... is an alias for the open() built-in. So io.open() works in Python 2.6 and all later versions, including Python 3.4. See docs: http://docs.python.org/3.4/library/io.html Now, for the original question: when reading text (including "plain text", HTML, XML and JSON) in Python 2 you should always use ...
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Performance of Find() vs. FirstOrDefault() [duplicate]

...ject an anonmyous data item just for compilation List<\u003C\u003Ef__AnonymousType0<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i => { var local_0 = new { Name = Guid.NewGuid().ToString() }; return local_...
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]

...vileges: CREATE USER 'root'@'ip_address' IDENTIFIED BY 'some_pass'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'ip_address'; If you see %, well then, there's another problem altogether as that is "any remote source". If however you do want any/all systems to connect via root, use the % wildcard to gra...
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Dictionaries and default values

...collections import defaultdict a = defaultdict(lambda: "default", key="some_value") a["blabla"] => "default" a["key"] => "some_value" You can pass any ordinary function instead of lambda: from collections import defaultdict def a(): return 4 b = defaultdict(a, key="some_value") b['absent...
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How can I convert a zero-terminated byte array to string?

....Read() can read into a [32]byte, but you don't know whether you've filled all 32 bytes or not. – Eric Lagergren Jan 2 '15 at 20:19 7 ...
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Javascript trick for 'paste as plain text` in execCommand

... It will intercept the paste event, cancel the paste, and manually insert the text representation of the clipboard: http://jsfiddle.net/HBEzc/. This should be the most reliable: It catches all kinds of pasting (Ctrl+V, context menu, etc.) It allows you to get the clipboard data direc...
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What is the difference between parseInt() and Number()?

... Well, they are semantically different, the Number constructor called as a function performs type conversion and parseInt performs parsing, e.g.: // parsing: parseInt("20px"); // 20 parseInt("10100", 2); // 20 parseInt("2e1"); // 2 /...
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How to fix the uninitialized constant Rake::DSL problem on Heroku?

...ixed my problems and I didn't know what was going on. (Using the rails installer on windows and deploying to heroku, as a complete beginner.) – Jack V. Jun 14 '11 at 22:46 1 ...
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Using the Android Application class to persist data

..., the Application class does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or is that generally not the "acceptable" method due ...
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Dependency graph of Visual Studio projects

...pendteam the extra details and screenshots are OK. but since this is originally my answer, it looks like your edit somehow makes me I look like work at NDepend. Please add new answer with your edit, and also emphasize your new answer is addition to my answer. Thanks before :) –...