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Get final URL after curl is redirected
...ogle.com
More info
-L Follow redirects
-s Silent mode. Don't output anything
-o FILE Write output to <file> instead of stdout
-w FORMAT What to output after completion
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You might want to add -I (that is an uppercase i) as well, which will make the command not dow...
How to migrate/convert from SVN to Mercurial (hg) on windows
...
I just had to tackle this problem myself. I have a windows XP machine with a separate windows server hosting VisualSVN Server.
I also have TortoiseHG installed as well as the CollabNet Subversion Command-Line Client.
<Enable Convert Extension w/ Tortoise Hg 2>
Many than...
How do you implement an async action delegate method?
... so I believe this is what you're looking for:
public async Task<T> DoSomethingAsync<T>(Func<T, Task> resultBody)
where T : Result, new()
{
T result = new T();
await resultBody(result);
return result;
}
...
Copying files from Docker container to host
I'm thinking of using Docker to build my dependencies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
...
One-liner to check whether an iterator yields at least one element?
Currently I'm doing this:
9 Answers
9
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How to get duplicate items from a list using LINQ? [duplicate]
...y(s => s.ToUpper()).SelectMany(grp => grp.Skip(1)); If you want to do a case insensitive comparison :)
– John JB
Dec 12 '13 at 21:46
...
htaccess Access-Control-Allow-Origin
... if we match files by adding the filesmatch block, then what does the * do?
– shenkwen
Jun 21 '16 at 14:08
1
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Understanding implicit in Scala
...d clashes, it's a good idea to make the type specific to its purpose, e.g. don't require your methods to find an implicit Int!
example:
// probably in a library
class Prefixer(val prefix: String)
def addPrefix(s: String)(implicit p: Prefixer) = p.prefix + s
// then probably in your applicatio...
How to avoid 'cannot read property of undefined' errors?
...as some entries with many objects nested inside one another, where as some do not. It looks something like the following:
1...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...t
trap "rm -f ${LOCKFILE}; exit" INT TERM EXIT
echo $$ > ${LOCKFILE}
# do stuff
sleep 1000
rm -f ${LOCKFILE}
The trick here is the kill -0 which doesn't deliver any signal but just checks if a process with the given PID exists. Also the call to trap will ensure that the lockfile is removed e...