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Unpacking, extended unpacking and nested extended unpacking
Consider the following expressions. Note that some expressions are repeated to present the "context".
3 Answers
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How to check if type of a variable is string?
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In Python 2.x, you would do
isinstance(s, basestring)
basestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of str or unicode.
In Python 3.x, the correct test is
isinstan...
Matplotlib scatter plot with different text at each data point
...plot and annotate data points with different numbers from a list.
So, for example, I want to plot y vs x and annotate with corresponding numbers from n .
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Resumable downloads when using PHP to send the file?
...ing a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file:
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What is C# analog of C++ std::pair?
...s belonging to the generic class cannot be inferred in an object creation expression (constructor call), the authors of BCL made a non-generic helper class called Tuple. Therefore you can say Tuple.Create("Hello", 4) which is a bit easier than new Tuple<string, int>("Hello", 4). (By the way, ....
How can I autoformat/indent C code in vim?
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Try the following keystrokes:
gg=G
Explanation: gg goes to the top of the file, = is a command to fix the indentation and G tells it to perform the operation to the end of the file.
sha...
What is the meaning of prepended double colon “::”?
...swers. It makes sure to use identifier from global namespace. Look at the example again
– hungryWolf
Apr 30 '18 at 19:50
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Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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LINQ Select Distinct with Anonymous Types
So I have a collection of objects. The exact type isn't important. From it I want to extract all the unique pairs of a pair of particular properties, thusly:
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Environment variable substitution in sed
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Your two examples look identical, which makes problems hard to diagnose. Potential problems:
You may need double quotes, as in sed 's/xxx/'"$PWD"'/'
$PWD may contain a slash, in which case you need to find a character not contained ...