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In SQL, what's the difference between count(column) and count(*)?
...rong but I'm interested in the source of your information in order to find out which is correct.
– Tony
Apr 6 '10 at 20:55
12
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
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@akostadinov +1, But backticks got interpreted out of your comment ;) The second option would, in other words, be grep $(printf '\r'). But for most practical uses involving bash, I would stick with $'\r'.
– jankes
Nov 12 '12 at 15:53...
Best practices with STDIN in Ruby?
...y, but we did get ARGF as a replacement. Though obscure, it actually turns out to be useful. Consider this program, which prepends copyright headers in-place (thanks to another Perlism, -i) to every file mentioned on the command-line:
#!/usr/bin/env ruby -i
Header = DATA.read
ARGF.each_line do |e...
Cloning an Object in Node.js
...ation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules. The community found and used it anyway.
It is deprecated and should not be used in new code. JavaScript comes with very similar built-in functionality through Object.assign().
Original an...
What's the most efficient test of whether a PHP string ends with another string?
...em like comparing in-place would be faster than substr(), as Assaf pointed out.
– Jason Cohen
Mar 6 '09 at 18:51
2
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Is there a JSON equivalent of XQuery/XPath?
...y. Mike may want to add this to the answer, since people keep commenting about this.
– Franklin Yu
May 26 '18 at 21:40
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Changing the width of Bootstrap popover
...popover({
container: 'body'
});
JSFiddle
View the JSFiddle to try it out.
JSFiddle: http://jsfiddle.net/xp1369g4/
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What is the purpose of double curly braces in React's JSX syntax?
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@BenRoberts Great, thank you! Unfortunately I'm out in California these days but feel free to drop by the #reactjs IRC room on freenode and I'd be happy to answer questions.
– Sophie Alpert
Mar 27 '14 at 4:39
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What is the C# Using block and why should I use it? [duplicate]
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If you declare the variable outside the using block and then create a new instance in the using statement it may not dispose the item.
– John
Oct 17 '08 at 14:13
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Best way to change the background color for an NSView
...the white color on top of the view, I've just tried. Wasn't the question about the background color ?
– aneuryzm
Feb 14 '13 at 16:05
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