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How do I remove documents using Node.js Mongoose?
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docs is an array of documents. so it doesn't have a mongooseModel.remove() method.
You can iterate and remove each document in the array separately.
Or - since it looks like you are finding the documents by a (probably) unique id - us...
Descending order by date filter in AngularJs
...cording to documentation you can use the reverse argument.
filter:orderBy(array, expression[, reverse]);
Change your filter to:
orderBy: 'created_at':true
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Testing whether a value is odd or even
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0.1 and NaN work fine with the function above. Empty array is a bit of a pain as it equates to 0...
– Steve Mayne
Jun 2 '11 at 7:41
4
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How to get the type of T from a member of a generic class or method?
... Type type = abc.GetType().GetGenericArguments()[0]; ==> Out of bounds array index...
– Patrick Desjardins
Feb 17 '09 at 15:31
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How to inspect Javascript Objects
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The for-in loops for each property in an object or array. You can use this property to get to the value as well as change it.
Note: Private properties are not available for inspection, unless you use a "spy"; basically, you override the object and write some code which does ...
FormData.append(“key”, “value”) is not working
...Chrome 50+ and Firefox 39+ (resp. 44+):
formdata.entries() (combine with Array.from() for debugability)
formdata.get(key)
and more very useful methods
Original answer:
What I usually do to 'debug' a FormData object, is just send it (anywhere!) and check the browser logs (eg. Chrome devtools' Ne...
Replace multiple whitespaces with single whitespace in JavaScript string
...rd word"
It splits the string by whitespaces, remove them all empty array items from the array (the ones which were more than a single space), and joins all the words again into a string, with a single whitespace in between them.
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std::string formatting like sprintf
...that to a std::string.
First, we determine the desired length of the char array using a special condition in snprintf. From cppreference.com:
Return value
[...] If the resulting string gets truncated due to buf_size limit,
function returns the total number of characters (not including th...
Collections.emptyList() vs. new instance
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@AJW, yes. But compared to, say, new ArrayList<>() it also makes the design decision clear; elements will not be added to this list.
– aioobe
Apr 28 '19 at 23:54
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Sort points in clockwise order?
Given an array of x,y points, how do I sort the points of this array in clockwise order (around their overall average center point)? My goal is to pass the points to a line-creation function to end up with something looking rather "solid", as convex as possible with no lines intersecting.
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