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Should I use scipy.pi, numpy.pi, or math.pi?
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VIM Ctrl-V Conflict with Windows Paste
...key back to VIM visual mode instead of pasting. I prefer to set this in my _vimrc configuration file.
7 Answers
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Spring: Why do we autowire the interface and not the implemented class?
...this are described here Why always have single implementaion interfaces in service and dao layers?
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See what has been installed via MacPorts
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Cannot ping AWS EC2 instance
...denied. The exception you need to add to the Security Group depends on the service you need to make available to the internet.
If it is a webserver you will need to allow access to port 80 for 0.0.0.0/0 (which means any IP address).
To allow pinging the instance you need to enable ICMP traffic.
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Finding out whether a string is numeric or not
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@KMGorbunov I don't think that NSCharacterSet is actually storing a backing set that contains every single character in the set. I suspect invertedSet is returning a class that wraps the set it was created form, and returns the opposite value for all queries. But I don't know f...
Dependency injection through constructors or property setters?
...xceptions and might even get things wrongs and end up getting stuck with a service locator implementation.
– MeTitus
Sep 9 '16 at 14:39
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Programmatically get the version number of a DLL
Is it possible to get the version number programmatically from any .NET DLL?
10 Answers
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System.Timers.Timer vs System.Threading.Timer
...at regular intervals. The class is intended for use as a server-based
or service component in a multithreaded environment; it has no user
interface and is not visible at runtime.
System.Threading.Timer,
which executes a single callback method on a thread pool thread at
regular intervals. T...
Remove duplicate lines without sorting [duplicate]
...e unique lines. This of course could end up being the whole file though if all the lines are unique.
– deltaray
Jul 11 '18 at 17:33
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