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How can I access an internal class from an external assembly?
Having an assembly which I cannot modify (vendor-supplied) which have a method returning an object type but is really of an internal type.
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What's a standard way to do a no-op in python?
I often find myself writing if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are l...
The difference between sys.stdout.write and print?
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print is just a thin wrapper that formats the inputs (modifiable, but by default with a space between args and newline at the end) and calls the write function of a given object. By default this object is sys.stdout, but you can pass a file using the "chevron" form. For example:
p...
Why do we need extern “C”{ #include } in C++?
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C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data contained in the header file to be compiled to a ...
Force DOM redraw/refresh on Chrome/Mac
...nt.getElementById('parentOfElementToBeRedrawn').style.display = 'block';
If this simple redraw doesn't work you can try this one. It inserts an empty text node into the element which guarantees a redraw.
var forceRedraw = function(element){
if (!element) { return; }
var n = document.cre...
How to print Unicode character in Python?
...Unicode-type variables, as described in the Python Unicode documentation.
If running the above command doesn't display the text correctly for you, perhaps your terminal isn't capable of displaying Unicode characters.
For information about reading Unicode data from a file, see this answer:
Charact...
How to remove the first character of string in PHP?
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Be aware of unicode. If you're dealing with an arbitrary string (e.g. "Ål <- danish for eel"), you should use mb_substr and specify the encoding.
– Thomas Jensen
Jun 17 '12 at 11:22
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How to iterate through a DataTable
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@RehanKhan - cmd would be the SQL Command to execute. If you're using LINQ, you'd write your LINQ Query and get your results that way.
– Justin Niessner
May 7 '16 at 20:03
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for each loop in Objective-C for accessing NSMutable dictionary
I am finding some difficulty in accessing mutable dictionary keys and values in Objective-C.
7 Answers
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Can I grep only the first n lines of a file?
...s -l option? I'd like to list all the files who's first 5 characters are RIFFD.
– James M. Lay
May 23 '17 at 19:20
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