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How do I measure execution time of a command on the Windows command line?
... FYI - I don't think timeit works on Windows 7 64-bit. You get the error "Unable to query system performance data (c0000004). Instead, use PowerShell's "Measure-Command" like Casey.K suggests: stackoverflow.com/questions/673523/…
– Michael La Voie
Oc...
How to state in requirements.txt a direct github source
...h to a local project or a VCS url beginning with svn+, git+, hg+, or bzr+" error message.
– Srini
Feb 23 '17 at 22:47
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PostgreSQL naming conventions
.... Postgresql treats identifiers case insensitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always lowercase you are safe. Anyway, it's acceptable to use camelCase or PascalCase (or UPPER...
How can I display a JavaScript object?
...
Use a custom JSON.stringify replacer if you
encounter this Javascript error
"Uncaught TypeError: Converting circular structure to JSON"
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Getter and Setter declaration in .NET [duplicate]
... a plain field:
public string MyField
But this field can be accessed by all outside users of your class. People can insert illegal values or change the value in ways you didn't expect.
By using a property, you can encapsulate the way your data is accessed. C# has a nice syntax for turning a fiel...
Difference between Role and GrantedAuthority in Spring Security
...thority as being a "permission" or a "right". Those "permissions" are (normally) expressed as strings (with the getAuthority() method). Those strings let you identify the permissions and let your voters decide if they grant access to something.
You can grant different GrantedAuthoritys (permissions...
What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]
...sed at the top-level of a script.
js> {"t":"continue"}
typein:2: SyntaxError: invalid label:
typein:2: {"t":"continue"}
typein:2: ....^
For this example to be exploitable by way of Object() constructor remapping, it would require the API to have instead returned the object inside of a set of p...
multiprocessing.Pool: When to use apply, apply_async or map?
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Back in the old days of Python, to call a function with arbitrary arguments, you would use apply:
apply(f,args,kwargs)
apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays,
f(*args,**kwargs)
is preferred. The...
What does __FILE__ mean in Ruby?
I see this all the time in Ruby:
4 Answers
4
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Configure Microsoft.AspNet.Identity to allow email address as username
... the real name of the person and not the email the system show me the same error message "User name ABC DEF is invalid, can only contain letters or digits." I solved the problem adding the space character (In my case at the end) to AllowedUserNameCharacters.
Im using Asp.Net Core 2.2 and VS2017
T...