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What does the smiley face “:)” mean in CSS?
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From an article at javascriptkit.com, that's applied for IE 7 and earlier versions:
if you add a non-alphanumeric character such as an asterisk (*) immediately before a property name, the property will be applied in IE and not in other browsers.
Also there's a hack for <= IE 8:...
Regex to remove all (non numeric OR period)
... "joe ($3,004.50)" to be filtered down to 3004.50 but am terrible at regex and can't find a suitable solution. So only numbers and periods should stay - everything else filtered. I use C# and VS.net 2008 framework 3.5
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dplyr: “Error in n(): function should not be called directly”
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I presume you have dplyr and plyr loaded in the same session. dplyr is not plyr. ddply is not a function in the dplyr package.
Both dplyr and plyr have the functions summarise/summarize.
Look at the results of conflicts() to see masked objects.
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how to use XPath with XDocument?
... the solution didn't work out in my case: Weirdness with XDocument, XPath and namespaces
3 Answers
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Are Duplicate HTTP Response Headers acceptable?
...ication about whether duplicate HTTP response headers are allowed by the standard, but I need to know if this will cause compatibility issues.
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What does 'var that = this;' mean in JavaScript?
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@El Ronnoco, but "He's got gray hair and a scraggly beard and his manner brings to mind a grumpy old man who yells at kids to get off of his lawn." - blogging.compendiumblog.com/blog/software-for-humans/0/0/… ;-p
– David Murdoch
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Read input from console in Ruby?
...ing like that?
Update
Kernel.gets tries to read the params found in ARGV and only asks to console if not ARGV found. To force to read from console even if ARGV is not empty use STDIN.gets
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What is the difference between a dialog being dismissed or canceled in Android?
...ys, what is the difference between a dialog being dismissed or canceled in Android?
4 Answers
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git submodule tracking latest
We are moving our (huge) project to git and we are thinking about using submodules. Our plan is to have three different heads in the superproject: release,stable,latest. The project leads will handle the release and stable branches. They will move the submodules as required.
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Run Cron job every N minutes plus offset
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An * in the minute field is the same as 0-59/1 where 0-59 is the range and 1 is the step. The command will run at the first minute in the range (0), then at all successive minutes that are distant from the first by step (1), until the last (59).
Which is why */20 * * * * will run at 0 minutes, ...