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How to generate random number in Bash?
How to generate a random number within a range in Bash?
17 Answers
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Pretty-print an entire Pandas Series / DataFrame
I work with Series and DataFrames on the terminal a lot. The default __repr__ for a Series returns a reduced sample, with some head and tail values, but the rest missing.
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horizontal line and right way to code it in html, css
...ed to draw a horizontal line after some block, and I have three ways to do it:
10 Answers
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C++ template constructor
I wish to have a non-template class with a template constructor with no arguments.
8 Answers
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What is “:-!!” in C code?
...d to be 0, and if not, to fail the build.
The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.)
You should read the expression like this:
sizeof(struct { int: -!!...
What Makes a Good Unit Test? [closed]
I'm sure most of you are writing lots of automated tests and that you also have run into some common pitfalls when unit testing.
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Creating a div element in jQuery [duplicate]
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You can use append (to add at last position of parent) or prepend (to add at fist position of parent):
$('#parent').append('<div>hello</div>');
// or
$('<div>hello</div>').appendTo('#parent');
Alternatively, you can use the .html() ...
'Incomplete final line' warning when trying to read a .csv file into R
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The message indicates that the last line of the file doesn't end with an End Of Line (EOL) character (linefeed (\n) or carriage return+linefeed (\r\n)). The original intention of this message was to warn you that the file may be incomplete; most datafiles have an EOL character as the very l...
What is the use of hashCode in Java?
... is the address of the element inside the set/map.
When you do contains() it will take the hash code of the element, then look for the bucket where hash code points to. If more than 1 element is found in the same bucket (multiple objects can have the same hash code), then it uses the equals() metho...
What is the correct MIME type to use for an RSS feed?
Is one MIME type preferable to ensure compatibility with RSS readers and other scrapers?
7 Answers
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