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How to empty a list?
...ote that doing lst = [] does not empty the list, just creates a new object and binds it to the variable lst, but the old list will still have the same elements, and effect will be apparent if it had other variable bindings.
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What is correct HTTP status code when redirecting to a login page?
When a user is not logged in and tries to access a page that requires login, what is the correct HTTP status code for a redirect to the login page?
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try/catch + using, right syntax
...ice. If you are expecting the object creation to throw an error, then any handling of that exception must go outside. If there is some question about where the handling should go, then the exception that is expected must be something else—unless you are advocating catching any random exception tha...
Import PEM into Java Key Store
...at :
openssl x509 -outform der -in certificate.pem -out certificate.der
And after, import it in the keystore :
keytool -import -alias your-alias -keystore cacerts -file certificate.der
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NSInvocation for Dummies?
...message rendered static, that is, it is an action turned into an object.
And, in a little more detail:
The concept of messages is central to the objective-c philosophy. Any time you call a method, or access a variable of some object, you are sending it a message. NSInvocation comes in handy when ...
Get current time as formatted string in Go?
What's the best way to get the current timestamp in Go and convert to string? I need both date and time in eg. YYYYMMDDhhmmss format.
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Add border-bottom to table row
...e of 3 by 3. I need a way to add a border for the bottom of every row tr and give it a specific color.
16 Answers
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Windows batch: echo without new line
What is the Windows batch equivalent of the Linux shell command echo -n which suppresses the newline at the end of the output?
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oh-my-zsh slow, but only for certain Git repo
I recently started using Zsh and it's awesome. Unfortunately, for the project I consider my "main" project, everything is slow. What I mean is that every time I run a command - ls , for example - there's about a five-second delay between the time the command is executed and the time I can use the t...
Why can't Python's raw string literals end with a single backslash?
..."" is a
valid string literal consisting of two
characters: a backslash and a double
quote; r"\" is not a valid string
literal (even a raw string cannot end
in an odd number of backslashes).
Specifically, a raw string cannot end
in a single backslash (since the
backslash would escape ...