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E11000 duplicate key error index in mongodb mongoose
...le who promised to add their emails to their profiles next week .
So its now a win-win for everyone (but you ;-] ): the people register, I am happy to have their data ...and my database is happy because it is being used nicely ...but what about you ? I am yet to give you the code that made the sc...
Calling a base class's classmethod in Python
...
If you're using a new-style class (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's ver...
How can we programmatically detect which iOS version is device running on? [duplicate]
I want to check if the user is running the app on iOS less than 5.0 and display a label in the app.
10 Answers
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How to check for an active Internet connection on iOS or macOS?
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Use of www.appleiphonecell.com is now (2018) a bad choice. It now redirects to Apple.com which is a > 40kB html file. Back to google.com - it is only 11kB. BTW google.com/m is same size but is reported to be slower by 120 msec.
– Blu...
Please explain the exec() function and its family
...ocess (the parent) as its parent PID (PPID).
Because the two processes are now running exactly the same code, they need to be able to tell which is which - the return code of fork() provides this information - the child gets 0, the parent gets the PID of the child (if the fork() fails, no child is c...
ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...he -f flag, doesn't seem necessary to bypass the remove file confirmation (if the user has it set in the first place)
– pech0rin
Dec 5 '16 at 21:38
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How to check version of a CocoaPods framework
...sion of Cocoapods by using below command :
pod —-version
o/p : 1.2.1
Now if you want detailed version of Gems and Cocoapods then use below command :
gem which cocoapods (without sudo)
o/p : /Library/Ruby/Gems/2.0.0/gems/cocoapods-1.2.1/lib/cocoapods.rb
sudo gem which cocoapods (with sudo)
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What is the difference between NTFS Junction Points and Symbolic Links?
...g. To be compatible with legacy folder names, C:\Documents and Settings is now a link to C:\Users.
Interestingly, although Vista introduces Symbolic links, this "Documents and Settings" trick is actually a plain old junction.
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Best way to check if a URL is valid
I want to use PHP to check, if string stored in $myoutput variable contains a valid link syntax or is it just a normal text. The function or solution, that I'm looking for, should recognize all links formats including the ones with GET parameters.
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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...ternary conditional operator (?:), and
the comma operator (,)
is Unspecified
For example
int Hello()
{
return printf("Hello"); /* printf() returns the number of
characters successfully printed by it
*/
}
int Worl...