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Mongodb Explain for Aggregation framework
...n function for the Aggregation framework in MongoDB? I can't see it in the documentation.
3 Answers
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Why is it possible to recover from a StackOverflowError?
...te, so any object it may have touched must be assumed to be broken. As you do not know which function the stack overflow occured in, only that it must be a descendant of the try block that caught it, any object that may be modified by any method reachable from there is now suspect. Usually it is not...
Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]
...s of characters hashed in a specific hashing algorithm.
Salt - a known random string appended to the original string before it is hashed.
For the .NET Framework, Bcrypt does not yet have a verified reference implementation. This is important because there's no way to know if there are serious flaw...
C++ template constructor
... It MAY be possible with qualifed constructor call, but seems does not work: Foo<int>::Foo<short>();
– John
Aug 23 '12 at 9:03
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How to run Node.js as a background process and never die?
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@murvinlai EC2 is an environment and has nothing to do with root privilege. It's probably about the your AMI. For example with Amazon AMI you certainly can sudo bash.
– ShuaiYuan
Apr 2 '13 at 11:41
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How do you use colspan and rowspan in HTML tables?
I don't know how to merge rows and columns inside HTML tables.
11 Answers
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How do I copy to the clipboard in JavaScript?
...avaScript Promises, can be written so security user prompts (if displayed) don't interrupt the JavaScript in page.
Text can be copied to the clipboard directly from a variable.
Only supported on pages served over HTTPS.
In Chrome 66 pages in active tabs can write to the clipboard without a permissio...
What are the disadvantages to declaring Scala case classes?
...ing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equals() and hashCode()
Combined with easy pattern-matching, this is the main reason that people use case classes
Companion object with unapply() method for matching
Also pos...
Convert a list of characters into a string
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how can I add spaces between the characters? anyway to do it without iterating through the whole thing?
– clifgray
Feb 8 '13 at 7:47
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PHP + curl, HTTP POST sample code?
Can anyone show me how to do a php curl with an HTTP POST?
11 Answers
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