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How to get the changes on a branch in Git
...it-diff does not take a list of revisions - it takes one or two revisions, and has defined the A...B syntax to mean how it's defined in the git-diff manpage. If git-diff did not explicitly define A...B, then that syntax would be invalid. Note that the git-rev-parse manpage describes A...B in the "Sp...
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...
Wait until file is unlocked in .NET
...hat's the simplest way of blocking a thread until a file has been unlocked and is accessible for reading and renaming? For example, is there a WaitOnFile() somewhere in the .NET Framework?
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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.
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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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