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What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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HTML5 Number Input - Always show 2 decimal places
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You can't really, but you a halfway step might be:
<input type='number' step='0.01' value='0.00' placeholder='0.00' />
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href=“tel:” and mobile numbers
...ou often find that the first digit of a telephone number is dropped when dialling internationally, even when using international prefixing to dial within the same country.
So as per the trunk prefix for Germany drop the 0 and add the +49 for Germany's international calling code (for example) giving...
How to align checkboxes and their labels consistently cross-browsers
...lems that plagues me constantly. How do folks around Stack Overflow vertically align checkboxes and their labels consistently cross-browser ? Whenever I align them correctly in Safari (usually using vertical-align: baseline on the input ), they're completely off in Firefox and IE. Fix it ...
RegEx: Grabbing values between quotation marks
...gt;>> string = '"Foo Bar" "Another Value"'
>>> print re.findall(r'"(.*?)"', string)
['Foo Bar', 'Another Value']
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What is the difference between JDK and JRE?
...ke javadoc and jdb). It is capable of creating and compiling programs.
Usually, if you only care about running Java programs on computer you will only install the JRE. It's all you need. On the other hand, if you are planning to do some Java programming, you need to install the JDK instead.
Somet...
How to check if a variable is an integer in JavaScript?
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@connorbode in javascript all numbers have the same type (there is no float or double), so 2.0 === 2 since the unnecessary decimal is just a different representation of the same number, thus parseInt(2.0) === 2.0 is equivalent to parseInt(2) === 2 whi...
HTML5 Audio stop function
I am playing a small audio clip on click of each link in my navigation
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WebSockets vs. Server-Sent events/EventSource
... a limitation to the maximum number of open connections, which can be specially painful when opening various tabs as the limit is per browser and set to a very low number (6). The issue has been marked as "Won't fix" in Chrome and Firefox. This limit is per browser + domain, so that means that you c...
How can I run just the statement my cursor is on in SQL Server Management Studio?
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This worked really well for me in SSMS2012, but now I'm running SSMS2014 and I really miss it! Anyone know of a SSMS2014 solution?
– samp
May 11 '15 at 21:01
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