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How to convert nanoseconds to seconds using the TimeUnit enum?
How to convert a value from nanoseconds to seconds?
7 Answers
7
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Parse string to date with moment.js
...t the title and question are not quite aligned.
If you want a moment date from a string:
const myMoment = moment(str, 'YYYY-MM-DD')
From moment documentation:
Instead of modifying the native Date.prototype, Moment.js creates a wrapper for the Date object.
If you instead want a javascript...
Java int to String - Integer.toString(i) vs new Integer(i).toString()
...first one because it's lighter, faster and doesn't use extra memory (aside from the returned string).
If you want an object representing an integer value—to put it inside a collection for example—you'd use the second one, since it gives you a full-fledged object to do all sort of things that ...
Determine the number of NA values in a column
...e summary output when used on a single column is useable, while its output from an entire data frame is character and the counts are difficult to extract if you need them later. See c(summary(mtcars)).
– Rich Scriven
Aug 20 '16 at 19:11
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Getting JavaScript object key list
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Note that this is different from for(key in ob)! Object.keys wont list the keys from prototypes, but .. in obj does.
– Albert
Mar 24 '14 at 12:33
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How to access maven.build.timestamp for resource filtering
...t was one of the reasons why I abandoned eclipse integration and use maven from command line.
– kostja
Mar 1 '13 at 13:32
1
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Is “double hashing” a password less secure than just hashing it once?
...candidates. You can easily increase the time it takes to attack a password from hours to years.
Simple iteration is not enough
Merely chaining hash output to input isn't sufficient for security. The iteration should take place in the context of an algorithm that preserves the entropy of the passwo...
git: Show index diff in commit message as comment
...script to generate few addition lines in diff format, but it got truncated from the first line
– Dennis C
Apr 8 '13 at 0:58
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How can I draw vertical text with CSS cross-browser?
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Updated this answer with recent information (from CSS Tricks). Kudos to Matt and Douglas for pointing out the filter implementation.
.rotate {
-webkit-transform: rotate(-90deg);
-moz-transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
-o-transform: rotate...
How to use enums in C++
...ues are like bare constants - they're un-scoped - with a little extra help from the compiler: (unless you're using C++11 enum classes) they aren't encapsulated like object or structure members for instance, and you can't refer to them as members of Days.
You'll have what you're looking for with C++...