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Longest line in a file

... awk '{print length, $0}' Input_file |sort -nr|head -1 For reference : Finding the longest line in a file share | improve this answer | ...
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Suppress/ print without b' prefix for bytes in Python 3

... If we take a look at the source for bytes.__repr__, it looks as if the b'' is baked into the method. The most obvious workaround is to manually slice off the b'' from the resulting repr(): >>> x = b'\x01\x02\x03\x04' >>> print(repr(x)) b'\x01\x02...
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Is it possible to delete an object's property in PHP?

... unset($a->new_property); This works for array elements, variables, and object attributes. Example: $a = new stdClass(); $a->new_property = 'foo'; var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo')) ...
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how to “reimport” module to python then code be changed after import

...port sys then reload(sys.modules['foo']) or perhaps reload(sys.modules[bar.__module__]) – drevicko Oct 28 '13 at 1:02 3 ...
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Finding the type of an object in C++

... dynamic_cast should do the trick TYPE& dynamic_cast<TYPE&> (object); TYPE* dynamic_cast<TYPE*> (object); The dynamic_cast keyword casts a datum from one pointer or reference type to another, performing a runtime...
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Converting SVG to PNG using C# [closed]

...llImport("libgobject-2.0-0.dll", SetLastError = true)] static extern void g_type_init(); [DllImport("librsvg-2-2.dll", SetLastError = true)] static extern IntPtr rsvg_pixbuf_from_file_at_size(string file_name, int width, int height, out IntPtr error); [DllImport("libgdk_pixbuf-2.0-0.dll", Calling...
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How do I find numeric columns in Pandas?

... You could use select_dtypes method of DataFrame. It includes two parameters include and exclude. So isNumeric would look like: numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64'] newdf = df.select_dtypes(include=numerics) ...
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Right way to reverse pandas.DataFrame?

...ata.Odd[idx]) You are getting an error because reversed first calls data.__len__() which returns 6. Then it tries to call data[j - 1] for j in range(6, 0, -1), and the first call would be data[5]; but in pandas dataframe data[5] means column 5, and there is no column 5 so it will throw an exceptio...
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Check if object is file-like in Python

... why what about operators like __add__, __lshift__ or __or__ in custom classes? (file object and API: docs.python.org/glossary.html#term-file-object ) – n611x007 Sep 8 '12 at 12:56 ...
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Can I have an IF block in DOS batch file?

... nested blocks of if statements to handle that. Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will produce the result you're looking for. ...