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Read Excel File in Python

...value)) except ValueError: pass finally: values.append(value) item = Arm(*values) items.append(item) for item in items: print item print("Accessing one single value (eg. DSPName): {0}".format(item.dsp_name)) print ...
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Error handling in Bash

...kens code's predictability and portability). You can either let the trap call error for you (in which case it uses the default exit code of 1 and no message) or call it yourself and provide explicit values; for instance: error ${LINENO} "the foobar failed" 2 will exit with status 2, and give an ...
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Difference between __str__ and __repr__?

...e come right out and say it — I do not believe in debuggers. I don’t really know how to use any debugger, and have never used one seriously. Furthermore, I believe that the big fault in debuggers is their basic nature — most failures I debug happened a long long time ago, in a galaxy far far a...
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Django - filtering on foreign key properties

... You can add a .query.as_sql() to see what sql will actually be executed. – fastmultiplication Jul 17 '10 at 5:19 ...
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How do I copy items from list to list without foreach?

... It works with all types, as long as lstStudentClass is an IEnumerable<StudentClass>, it will work. If you experience otherwise you need to provide more information. – Lasse V. Karlsen Apr 3 '15 ...
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Best way to check if a URL is valid

...mal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters. ...
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Preferred way to create a Scala list

...do so with a tail-recursive function, foldLeft, or something else is not really relevant. If you get the elements in the same order you use them, then a ListBuffer is most likely a preferable choice, if performance is critical. But, if you are not on a critical path and the input is low enough, yo...
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What are “first class” objects?

...as any other object. A first class object is an entity that can be dynamically created, destroyed, passed to a function, returned as a value, and have all the rights as other variables in the programming language have. Depending on the language, this can imply: being expressible as ...
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Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP

...rning may disappear, but if you don't specify a filter then you will not really fix the security issue NetBeans is pointing out. For example, if you are expecting an int, use: filter_input(INPUT_POST, 'var_name', FILTER_SANITIZE_NUMBER_INT) – HoffZ Jul 18 '14 a...
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Make a borderless form movable?

... This article on CodeProject details a technique. Is basically boils down to: public const int WM_NCLBUTTONDOWN = 0xA1; public const int HT_CAPTION = 0x2; [System.Runtime.InteropServices.DllImport("user32.dll")] public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam...