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Check whether variable is number or string in JavaScript
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Best way to do that is using isNaN + type casting:
Updated all-in method:
function isNumber(n) { return !isNaN(parseFloat(n)) && !isNaN(n - 0) }
The same using regex:
function isNumber(n) { return /^-?[\d.]+(?:e-...
Where is the list of predefined Maven properties
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I think the best place to look is the Super POM.
As an example, at the time of writing, the linked reference shows some of the properties between lines 32 - 48.
The interpretation of this is to follow the XPath as a . delimited propert...
How do CDI and EJB compare? interact?
...gs that CDI has chosen to leave in the domain of EJB3. The other mentioned items are also not available in CDI. EJB3 has no event bus of its own though, but it does have a special type of bean for listening to messages; the message driven bean. This can be used to receive messages from the Java Mess...
Need a good hex editor for Linux [closed]
...0.22 still has serious usability problems/limitations, but seems still the best one.
– Aquarius Power
Nov 19 '14 at 18:49
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Create a string of variable length, filled with a repeated character
... String instance with specified length and filled with specific character. Best solution?
10 Answers
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How to compare a local git branch with its remote branch?
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+1 for best answer in my humble opinion. Would be worthy of +2 if you mentioned "fetch" to synchronize the "remote" image of the cloned source. The stat/color overview step is particularly helpful.
– bvj
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Efficiently test if a port is open on Linux?
... 'nc' no longer supports '-z' and so this answer seems to be the best solution.
– Rich Sedman
Apr 24 '17 at 11:10
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Mathematical functions in Swift
...ft would return me a function of power of 2 (or 1, or 3, or whatever) that best matches it? like I give it: [1,2,3] it would return y = x or I would give it [1,4,9] it would return y = x^2 or something just close in that manner of f(x)
– Honey
Feb 13 '17 at 19:...
How to align center the text in html table row?
...which is old functionality most common used for e-mail formatting. So your best bet is to not use just style but inline style and known table tags.
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Share variables between files in Node.js?
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I'm unable to find an scenario where a global var is the best option, of course you can have one, but take a look at these examples and you may find a better way to accomplish the same:
Scenario 1: Put the stuff in config files
You need some value that it's the same across the ap...