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Convert floating point number to a certain precision, and then copy to string

..., I suggest this link on string formatting from the Python documentation. And for more information on option one, this link will suffice and has info on the various flags. Python 3.6 (officially released in December of 2016), added the f string literal, see more information here, which extends the...
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What is :: (double colon) in Python when subscripting sequences?

... it means 'nothing for the first argument, nothing for the second, and jump by three'. It gets every third item of the sequence sliced. Extended slices is what you want. New in Python 2.3 share | ...
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Multi-line strings in PHP

... PHP has Heredoc and Nowdoc strings, which are the best way to handle multiline strings in PHP. http://php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc $str = <<<EOD Example of string spanning multip...
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Identifying and removing null characters in UNIX

...nulls If you are wondering if input redirection in the middle of the command arguments works, it does. Most shells will recognize and deal with I/O redirection (<, >, …) anywhere in the command line, actually. shar...
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Why are Standard iterator ranges [begin, end) instead of [begin, end]?

Why does the Standard define end() as one past the end, instead of at the actual end? 7 Answers ...
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Is there a common Java utility to break a list into batches?

...s [[a, b, c], [d, e]] -- an outer list containing two inner lists of three and two elements, all in the original order. share | improve this answer | follow |...
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How do I get the opposite (negation) of a Boolean in Python?

...answered Aug 11 '11 at 18:16 jtbandesjtbandes 101k3333 gold badges209209 silver badges237237 bronze badges ...
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Can I restore a single table from a full mysql mysqldump file?

...extract only the table you want. Let say the name of your table is mytable and the file mysql.dump is the file containing your huge dump: $ sed -n -e '/CREATE TABLE.*`mytable`/,/Table structure for table/p' mysql.dump > mytable.dump This will copy in the file mytable.dump what is located between...
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Shell command to sum integers, one per line?

I am looking for a command that will accept (as input) multiple lines of text, each line containing a single integer, and output the sum of these integers. ...
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View array in Visual Studio debugger? [duplicate]

... nice little trick for C++. Take the expression which gives you the array and then append a comma and the number of elements you want to see. Expanding that value will show you elements 0-(N-1) where N is the number you add after the comma. For example if pArray is the array, type pArray,10 in th...