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How to sort a collection by date in MongoDB?
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Sure, I know what a callback is. I only saw the sorting requirement in the question and all the answers give callbacks. At the same time, sorting wasn't working for me, so I thought maybe you have to do additional work in the function...
Android Studio suddenly cannot resolve symbols
...s. There may be some lingering problems; if you see them in 0.4.3, let us know, and try to give us a reliable set of steps to reproduce so we can ensure we've taken care of all code paths.
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What is the easiest way to push an element to the beginning of the array?
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What about using the unshift method?
ary.unshift(obj, ...) → ary
Prepends objects to the front of self, moving other elements upwards.
And in use:
irb>> a = [ 0, 1, 2]
=> [0, 1, 2]
irb>> a.unshift('x')
=> ["x", 0, 1, 2]
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How can I add an item to a SelectList in ASP.net MVC
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What if you actually do insist on the value of 0? If the value is null/an empty string, it can cause problems with model binding.
– Kjensen
Nov 12 '09 at 13:45
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linq where list contains any in list
...tation and found that Intersect uses Set. Can you tell me the performance difference between those two methods?
– rebornx
Feb 17 '17 at 9:02
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How to check edittext's text is email address or not?
... email verification you need server side authentication
Note there is now a built-in method in Android, see answers below.
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How do I get git to default to ssh and not https for new repositories
...Hub repository setup page is just a suggested list of commands (and GitHub now suggests using the HTTPS protocol). Unless you have administrative access to GitHub's site, I don't know of any way to change their suggested commands.
If you'd rather use the SSH protocol, simply add a remote branch lik...
Variable number of arguments in C++?
...int i = 2; i <= n_args; i++) {
int a = va_arg(ap, int);
if(a > max) max = a;
}
va_end(ap);
return max;
}
If you ask me, this is a mess. It looks bad, it's unsafe, and it's full of technical details that have nothing to do with what you're conceptually trying to a...
How to convert a string or integer to binary in Ruby?
...verts a decimal number to a string representing the number in the base specified:
9.to_s(2) #=> "1001"
while the reverse is obtained with String#to_i(base):
"1001".to_i(2) #=> 9
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How do I load an org.w3c.dom.Document from XML in a string?
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I realize now that I shouldn't just copy-and-paste the accepted answer but rather read through.
– Vitaly Sazanovich
Nov 13 '13 at 17:45
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