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Why are dashes preferred for CSS selectors / HTML attributes?
In the past I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
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How do I reverse a C++ vector?
Is there a built-in vector function in C++ to reverse a vector in place?
6 Answers
6
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How to make graphics with transparent background in R using ggplot2?
I need to output ggplot2 graphics from R to PNG files with transparent background. Everything is ok with basic R graphics, but no transparency with ggplot2:
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How do ACID and database transactions work?
What is the relationship between ACID and database transaction?
8 Answers
8
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ElasticSearch - Return Unique Values
How would I get the values of all the languages from the records and make them unique.
5 Answers
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PHP: merge two arrays while keeping keys instead of reindexing?
How can I merge two arrays (one with string => value pairs and another with int => value pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers).
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Why main does not return 0 here?
I was just reading
3 Answers
3
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How to check for valid email address? [duplicate]
Is there a good way to check a form input using regex to make sure it is a proper style email address? Been searching since last night and everybody that has answered peoples questions regarding this topic also seems to have problems with it if it is a subdomained email address.
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NuGet auto package restore does not work with MSBuild
I'm trying to build a solution with packages content missing (except repositories.config inside) with MSBuild 12.0. I expect it to auto restore all missing packages before building but this is not the case - MsBuild reports tons of errors:
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?: operator (the 'Elvis operator') in PHP
I saw this today in some PHP code:
5 Answers
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