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Is there any way to not return something using CoffeeScript?
...eUploader: {
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What's the $unwind operator in MongoDB?
...rious operation like sorting, searcing etc.
To know more about $unwind :
https://docs.mongodb.com/manual/reference/operator/aggregation/unwind/
To know more about aggregation :
https://docs.mongodb.com/manual/reference/operator/aggregation-pipeline/
...
Similar to jQuery .closest() but traversing descendants?
Is there a function similar to jQuery .closest() but for traversing descendants and returning only closest ones?
16 Ans...
Why can't non-default arguments follow default arguments?
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Static hosting on Amazon S3 - DNS Configuration
... files within.
Configure your bucket as a website. With the AWS console ( https://console.aws.amazon.com/s3/ ) you can select your bucket, click properties, then select the "Website" tab. Click enabled and set your index document to "index.html" and your error document to "404.html". You will also...
How to find the kth largest element in an unsorted array of length n in O(n)?
...A2.
Let's guess that T(n) <= an for some a. Then we get
T(n)
<= cn + (1/n) ∑i=1 to nT(max(i-1, n-i))
= cn + (1/n) ∑i=1 to floor(n/2) T(n-i) + (1/n) ∑i=floor(n/2)+1 to n T(i)
<= cn + 2 (1/n) ∑i=floor(n/2) to n T(i)
<= cn + 2 (1/n) ∑i=floor(n/2) to n ai
and now somehow w...
How do you run a SQL Server query from PowerShell?
...Hub so that you can now go to your modules directory and execute git clone https://github.com/ChrisMagnuson/InvokeSQL and from that point forward invoke-sql will automatically be loaded when you go to use it (assuming your using PowerShell v3 or later).
...
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Strangest language feature
...
Fun with auto boxing and the integer cache in Java:
Integer foo = 1000;
Integer bar = 1000;
foo <= bar; // true
foo >= bar; // true
foo == bar; // false
//However, if the values of foo and bar are between 127 and -12...
Break a previous commit into multiple commits
...was farther back in the tree than you want to count, then
$ git rebase -i 123abcd~
where 123abcd is the SHA1 of the commit you want to split up.
If you are on a different branch (e.g., a feature branch) that you plan to merge into master:
$ git rebase -i master
When you get the rebase edit sc...