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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...
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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Change old commit message on Git
...situation, a git rebase -i --abort might be needed to reset everything and allow you to try again)
As Dave Vogt mentions in the comments, git rebase --continue is for going to the next task in the rebasing process, after you've amended the first commit.
Also, Gregg Lind mentions in his answer the r...
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...
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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Why can't enum's constructor access static fields?
...tatic fields and methods? This is perfectly valid with a class, but is not allowed with an enum.
5 Answers
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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
15 Answers
15
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MongoDB - admin user not authorized
I am trying to add authorization to my MongoDB.
I am doing all this on Linux with MongoDB 2.6.1.
My mongod.conf file is in the old compatibility format
(this is how it came with the installation).
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What are the differences between vector and list data types in R?
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Technically lists are vectors, although very few would use that term. "list" is one of several modes, with others being "logical", "character", "numeric", "integer". What you are calling vectors are "atomic vectors" in strict R parl...