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What difference does .AsNoTracking() make?
...The difference is that in the first case the retrieved user is not tracked by the context so when you are going to save the user back to database you must attach it and set correctly state of the user so that EF knows that it should update existing user instead of inserting a new one. In the second ...
Virtualbox “port forward” from Guest to Host [closed]
...//127.0.0.1:8000
or your network ip address (find out on the host machine by running: ipconfig).
Network communication Guest -> Host
In this case port forwarding is not needed, the communication goes over the LAN back to the host.
On the host machine - find out your netw ip address:
ipconfig
ex...
What is the dual table in Oracle?
... allow statements like
SELECT 3+4
You can work around this restriction by writing
SELECT 3+4 FROM DUAL
instead.
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What does it mean when an HTTP request returns status code 0?
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I think you are probably right. (Although, as pointed out by @sleepycod wininet.dll would be expected to return some status code in the absence of a real http status code.)
– mike nelson
May 26 '09 at 21:17
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Salting Your Password: Best Practices?
...ough salt. Think about the birthday problem.
There's an excellent answer by Dave Sherohman to another question why you should use randomly generated salts instead of a user's name (or other personal data). If you follow those suggestions, it really doesn't matter where you put your salt in.
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What is the simplest way to convert a Java string from all caps (words separated by underscores) to
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Refer to the comment by George Hawkins [user:245602] for an example. stackoverflow.com/questions/1143951/…
– Michael Scheper
Oct 17 '13 at 5:56
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What is the purpose of the single underscore “_” variable in Python?
...(/statement) in an interactive
interpreter session. This precedent was set by the standard CPython
interpreter, and other interpreters have followed suit
As a general purpose "throwaway" variable name to indicate that part
of a function result is being deliberately ignored (Conceptually, it is being...
Difference between single and double square brackets in Bash
... tests.
Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and regex matching with =~. A fuller list of differences can be found in the ba...
What's the difference between `raw_input()` and `input()` in Python 3?
...named to input(), and the old input() is gone, but can easily be simulated by using eval(input()). (Remember that eval() is evil. Try to use safer ways of parsing your input if possible.)
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Lists: Count vs Count() [duplicate]
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Count() is an extension method introduced by LINQ while the Count property is part of the List itself (derived from ICollection). Internally though, LINQ checks if your IEnumerable implements ICollection and if it does it uses the Count property. So at the end of the...