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What is the difference between include and require in Ruby?
...ion is similar to " What is the difference between include and extend in Ruby? ".
11 Answers
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brew install gcc too time consuming
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How do I set cell value to Date and apply default Excel date format?
...aulted to OS level locale /-> i.e. xlsx will look different when opened by a German or British person/ and flagged with an asterisk if you choose it in Excel's cell format chooser) you should:
CellStyle cellStyle = xssfWorkbook.createCellStyle();
cellStyle.setDataFormat((short)14);
c...
How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?
...vals.id) DELETE FROM newvals USING upd WHERE newvals.id = upd.id, followed by a bare INSERT INTO testtable SELECT * FROM newvals? My idea with this: instead of filtering twice in INSERT (for the JOIN/WHERE and for the unique constraint), reuse the existence check results from the UPDATE, which are ...
c# datatable insert column at position 0
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How do I do a multi-line string in node.js?
..., a new "template literal" intrinsic type was added to Javascript (denoted by back-ticks "`") which can also be used to construct multi-line strings, as in:
`this is a
single string`
which evaluates to: 'this is a\nsingle string'.
Note that the newline at the end of the first line is included i...
How do I disable “missing docstring” warnings at a file-level in Pylint?
... 2.4 and above you can differentiate between the various missing-docstring by using the three following sub-messages:
C0114 (missing-module-docstring)
C0115 (missing-class-docstring)
C0116 (missing-function-docstring)
So the following .pylintrc file should work:
[MASTER]
disable=
C0114, # ...
Cast Double to Integer in Java
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And, by the way, when cast from double to int, it only keeps the integer part, for both positive & negative numbers, and don't care about rounding. e.g 1.6 -> 1, 1.4 -> 1, -1.6 -> -1, -1.4 -> -1,
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Testing if object is of generic type in C#
...ject and one is a list. How do you know it is a list so you can unpeel it? By this I mean, you don't have a T anywhere nor a type to use. You could guess every type (is it List<int>? is it List<string>?) but what you want to know is IS THIS A A LIST? That question seems hard to answer.
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Multi-line regex support in Vim
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