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round() doesn't seem to be rounding properly

... According to the docs, this style of string formatting will eventually go away. The new-style format would be "{:.1f}".format(n) – whereswalden Aug 7 '14 at 12:56 ...
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Why does Python code run faster in a function?

...e names are assigned to indexes. This is possible because you can't dynamically add local variables to a function. Then retrieving a local variable is literally a pointer lookup into the list and a refcount increase on the PyObject which is trivial. Contrast this to a global lookup (LOAD_GLOBAL), w...
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What is the source code of the “this” module doing?

...r) chars. print "".join([d.get(c, c) for c in s]) Prints the translated string. share | improve this answer | follow | ...
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data.frame rows to a list

... } case STRSXP: { tmp[j] = as<std::string>(as<CharacterVector>(x[j])[i]); break; } default: stop("Unsupported type '%s'.", type2name(x)); } } tmp.attr("class") = "data.fra...
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How can I select from list of values in SQL Server

...ou can also do something like this: SELECT DISTINCT * FROM (select unnest(string_to_array('a;b;c;d;e;f;a;b;d', ';'))) AS tbl(col1) share | improve this answer | follow ...
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Why can't I inherit static classes?

...class as type. That class has 5 helper methods and 2 methods that return a string (name and description). I might have picked it wrong (I think so), but the only solution I found was to instantiate the class in the generic loader, to access the methods... meh. – ANeves thinks S...
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base64 encoded images in email signatures

... You can use an online tool or a few lines of code to generate the base 64 string. The syntax to source the image from inline data is: <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO 9TXL0Y4OHwAAAABJRU5ErkJggg==" alt="Red...
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C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...么决不应该调用ExitThread。应该使用Visual C++运行期库函数_endthreadex。如果不使用Microsoft的Visual C++编译器,你的编译器供应商有它自己的ExitThread的替代函数。不管这个替代函数是什么,都必须使用。 3、TerminateThread函数 调用Te...
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How to escape os.system() calls?

... Yes, list2cmdline conforms to Windows cmd.exe syntax (see the function docstring in the Python source code). shlex.quote conforms to Unix bourne shell syntax, however it isn't usually necessary since Unix has good support for directly passing arguments. Windows pretty much requires that you pass a ...
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Java “Virtual Machine” vs. Python “Interpreter” parlance?

...using eval and exec, and you can use compile() built-in function to turn a string into bytecode. – Lie Ryan Sep 27 '10 at 13:53 4 ...