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git-svn: how do I create a new svn branch via git?
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Yeah, git co means that Jesper set up a git alias.
– Jason Axelson
May 4 '10 at 0:21
3
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Booleans, conditional operators and autoboxing
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Programmatic equivalent of default(Type)
I'm using reflection to loop through a Type 's properties and set certain types to their default. Now, I could do a switch on the type and set the default(Type) explicitly, but I'd rather do it in one line. Is there a programmatic equivalent of default?
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How can I cast int to enum?
...lly in .NET.
How stuff works
An enum in .NET is a structure that maps a set of values (fields) to a basic type (the default is int). However, you can actually choose the integral type that your enum maps to:
public enum Foo : short
In this case the enum is mapped to the short data type, which ...
Returning a boolean from a Bash function
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if ! $(exit $status); then
echo "some_command failed"
fi
Notice how setting a status variable demystifies the meaning of $?. (Of course you know what $? means, but someone less knowledgeable than you will have to Google it some day. Unless your code is doing high frequency trading, show some ...
UnicodeEncodeError: 'latin-1' codec can't encode character
...e used. You should also ideally tell MySQL you are using UTF-8 strings (by setting the database connection and the collation on string columns), so it can get case-insensitive comparison and sorting right.
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Android TextView with Clickable Links: how to capture clicks?
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Based upon another answer, here's a function setTextViewHTML() which parses the links out of a HTML string and makes them clickable, and then lets you respond to the URL.
protected void makeLinkClickable(SpannableStringBuilder strBuilder, final URLSpan span)
{
int ...
Linux command (like cat) to read a specified quantity of characters
...c does exactly that, with an added bonus that you could also specify an offset.
cut -c 1-5 will return Hello and cut -c 7-11 will return world. No need for any other command
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Check if list contains any of another list
...ct parameters to source and then use Intersect which internally uses a HashSet<T> so instead of O(n^2) for the first approach (the equivalent of two nested loops) you can do the check in O(n) :
bool hasMatch = parameters.Select(x => x.source)
.Intersect(myStrings)...
How large should my recv buffer be when calling recv in the socket library
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For streaming protocols such as TCP, you can pretty much set your buffer to any size. That said, common values that are powers of 2 such as 4096 or 8192 are recommended.
If there is more data then what your buffer, it will simply be saved in the kernel for your next call to recv....