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How can I check if a Perl array contains a particular value?
... can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
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Specify width in *characters*
...eight of an x. More generally speaking, these are the heights of uppercase and lowercase letters.
Width is a totally different issue....
Change your example above to
<div>
<span>1</span> 3 5 7 9 1 3 5 7 9 1
</div>
and you will notice width and height of the span are...
Using do block vs braces {}
... is a bit old question but I would like to try explain a bit more about {} and do .. end
like it is said before
bracket syntax has higher precedence order than do..end
but how this one makes difference:
method1 method2 do
puts "hi"
end
in this case, method1 will be called with the bloc...
How to insert in XSLT
... in XML, so you use the code &#160;.
Wikipedia includes a list of XML and HTML entities, and you can see that there are only 5 "predefined entities" in XML, but HTML has over 200. I'll also point over to Creating a space (&nbsp;) in XSL which has excellent answers.
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Using the star sign in grep
...ou need to tell it what you repeat. /*abc*/ matches a string containing ab and zero or more c's (because the second * is on the c; the first is meaningless because there's nothing for it to repeat). If you want to match anything, you need to say .* -- the dot means any character (within certain guid...
Can you turn off Peek Definition in Visual Studio 2013 and up?
In Visual Studio 2013 and up, there is the Peek Definition feature when you Ctrl + Click. At first I thought this was cool, but I have found that the majority of the time, I need to click the Promote to Document button, since I make lots of changes to the files I Ctrl + Click on. But after Googl...
Faye vs. Socket.IO (and Juggernaut)
Socket.IO seems to be the most popular and active WebSocket emulation library. Juggernaut uses it to create a complete pub/sub system.
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Properties file in python (similar to Java Properties)
... let me add again that this is not the same. I cant speak for Java or Py3, and maybe it works for simple key/values. But the syntax for string interpolation is different. This solution provides Python formatting, ie. %(string)s while (for e.g. Ant) I would use ${string}. pymotw.com/2/ConfigParser
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nginx error connect to php5-fpm.sock failed (13: Permission denied)
I update nginx to 1.4.7 and php to 5.5.12 , After that I got the 502 error . Before I update everything works fine.
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Execute JavaScript code stored as a string
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yes and no: with eval code would be also executed, while with Function() code isn't executed until F() (use case? check for syntax error but don't want to execute the code)
– G3z
Jan 3 '15 a...