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JS: Check if date is less than 1 hour ago?
...(date) => {
const HOUR = 1000 * 60 * 60;
const anHourAgo = Date.now() - HOUR;
return date > anHourAgo;
}
Using the Moment library:
const lessThanOneHourAgo = (date) => {
return moment(date).isAfter(moment().subtract(1, 'hours'));
}
Shorthand syntax with Moment:
const ...
How do I put an already-running process under nohup?
...suspend the process and SIGCONT will resume the process, in background. So now, closing both your terminals won't stop your process.
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“Remote System Explorer Operation” causing freeze for couple of seconds
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Brilliant -- as the year is now 2016, this should be the newly accepted answer. However, I do wonder what removing that from the build will break?!
– HDave
May 19 '16 at 15:18
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Convert ArrayList to String[] array [duplicate]
... To provide an explanation as to what is going on here, the JVM doesn't know how to blindly downcast Object[] (the result of toArray()) to String[]. To let it know what your desired object type is, you can pass a typed array into toArray(). The typed array can be of any size (new String[1] is vali...
Creating range in JavaScript - strange syntax
...appens when you try to access a non-existent property? You get undefined.
Now we can lift our heads a little, and see why functions like arr.map don't walk over these properties. If arr[3] was merely undefined, and the key existed, all these array functions would just go over it like any other valu...
Center a column using Twitter Bootstrap 3
... <div class="col-md-2 col-md-offset-5"></div>
</div>
Now, there's an obvious drawback for this method. It only works for even column sizes, so only .col-X-2, .col-X-4, col-X-6, col-X-8, and col-X-10 are supported.
Approach 2 (the old margin:auto)
You can center any column s...
Moving Files into a Real Folder in Xcode
...o them to match what you did in step 1.
All the references in Xcode should now be red (that's OK!).
From the Identity and Type manager, select the Group in Xcode that you want to relocate, then click the folder icon from the info pane:
In the Finder selection dialog, locate the equivalent new fol...
How do you properly use namespaces in C++?
...e object into packages, and then reusing them later from that package. But now I'm working in C++.
15 Answers
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MongoDB: Combine data from multiple collections into one..how?
...collection called users_comments that contains the merged data and you can now use that. These reduced collections all have _id which is the key you were emitting in your map functions and then all of the values are a sub-object inside the value key - the values aren't at the top level of these red...
Difference between \b and \B in regex
...ern to be searched for is 'cat':
text = "catmania thiscat thiscatmaina";
Now definitions,
'\b' finds/matches the pattern at the beginning or end of each word.
'\B' does not find/match the pattern at the beginning or end of each word.
Different Cases:
Case 1: At the beginning of each word
resu...