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Setting the default Java character encoding
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For completeness I would like to add that with a bit of trickery you can get to the actually used default encoding (as is cached), thanks to Gary Cronin: byte [] byteArray = {'a'}; InputStream inputStream = new ByteArrayInputStream(byteArray); InputStreamReader rea...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
...9
Mifeet
10.4k33 gold badges4646 silver badges8989 bronze badges
answered Jul 25 '09 at 13:32
Daniel C. Sobral...
Spring MVC - How to get all request params in a map in Spring controller?
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Sorry I find the premise a bit ridiculous.
– Kevin
Sep 6 '11 at 0:56
11
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How to set cookie in node js using express framework?
...cookies
console.log(req.cookies)
let options = {
maxAge: 1000 * 60 * 15, // would expire after 15 minutes
httpOnly: true, // The cookie only accessible by the web server
signed: true // Indicates if the cookie should be signed
}
// Set cookie
res.cookie...
Get string between two strings in a string
...robust/flexible you want your implementation to be, this can actually be a bit tricky. Here's the implementation I use:
public static class StringExtensions {
/// <summary>
/// takes a substring between two anchor strings (or the end of the string if that anchor is null)
/// </...
How to pass a function as a parameter in Java? [duplicate]
...hing
}
then call it, perhaps using an anonymous inner class:
dansMethod(100, new Callable<Integer>() {
public Integer call() {
return methodToPass();
}
});
Keep in mind this is not a 'trick'. It's just java's basic conceptual equivalent to function pointers.
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Local dependency in package.json
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Could you explain a bit more what this does. i.e. if I setup a vscode project with multiple root folders (i.e. "multi-root workspace") , will it be able to reflect changes in the module folder immediately for the consuming projects ? - Is that w...
Argparse optional positional arguments?
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anatoly techtonik
16.3k88 gold badges102102 silver badges124124 bronze badges
answered Dec 18 '10 at 21:15
Vinay SajipVinay Sajip
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How to retrieve the hash for the current commit in Git?
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To turn arbitrary extended object reference into SHA-1, use simply git-rev-parse, for example
git rev-parse HEAD
or
git rev-parse --verify HEAD
You can also retrieve the short version like this
git rev-parse --short HEAD
Sidenote: I...
How to determine if a record is just created or updated in after_save
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@object.id_previously_changed? is a bit less ugly.
– aNoble
Jan 8 '17 at 15:30
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