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:after vs. ::after
... own right.
Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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Javascript Reduce an empty array
..., currentValue){
return Number(previousValue) + Number(currentValue);
}, 0);
or using ES6:
[].reduce( (previousValue, currentValue) => previousValue + currentValue, 0);
share
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#define macro for debug printing in C?
... \
do { if (DEBUG) fprintf(stderr, fmt, __VA_ARGS__); } while (0)
It assumes you are using C99 (the variable argument list notation is not supported in earlier versions). The do { ... } while (0) idiom ensures that the code acts like a statement (function call). The unconditional use...
What do all of Scala's symbolic operators mean?
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530
I divide the operators, for the purpose of teaching, into four categories:
Keywords/reserved s...
How can you check which options vim was compiled with?
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100
You can see everything vim was compiled with by executing
:version
To query for an exact fea...
MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
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JavaScript regex multiline flag doesn't work
...t.
The bad news is that it does not exist in JavaScript (it does as of ES2018, see below). The good news is that you can work around it by using a character class (e.g. \s) and its negation (\S) together, like this:
[\s\S]
So in your case the regex would become:
/<div class="box-content-5"&g...
T-SQL get SELECTed value of stored procedure
... @OutValue=MyIntField FROM MyTable WHERE MyPrimaryKeyField = @Param
RETURN 0
GO
and now call your procedure like:
DECLARE @SelectedValue int
,@Param int
SET @Param=1
EXEC GetMyInt @Param, @SelectedValue OUTPUT
PRINT @SelectedValue
Output parameters can only return one value, but...
Renaming table in rails
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edited Apr 5 '16 at 18:02
vergenzt
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answered J...
How do I get the filepath for a class in Python?
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edited Mar 30 '09 at 17:03
answered Mar 30 '09 at 14:14
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