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What to add for the update portion in ConcurrentDictionary AddOrUpdate
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You need to pass a Func which returns the value to be stored in the dictionary in case of an upd...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...This depends on how you identify a user in your application.
In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user identifier as set during the ASP.NET authentication.
However, you may need to map the connection with the user using a different iden...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
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answered Sep 20 '11 at 4:38
Ricardo TomasiRicardo Tomasi
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cannot convert data (type interface {}) to type string: need type assertion
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According to the Go specification:
For an expression x of interface type and a type T, the ...
What's the difference between @Secured and @PreAuthorize in spring security 3?
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The real difference is that @PreAuthorize can work with Spring Expression Language (SpEL). You c...
What's the difference between Jetty and Netty?
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Jetty is a lightweight servlet container, easy to embed within a java application, there is an ...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
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answered Jan 4 '10 at 19:51
Rob WellsRob Wells
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Count number of lines in a git repository
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Use git ls-files -z | xargs -0 wc -l if you have files with spaces in the name.
– mpontillo
Nov 19 '13 at 4:33
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How to create a protocol with methods that are optional?
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Nate Cook
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answered Nov 26 '08 at 23:21
Matt GallagherMatt Gallagher
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Is there a way to ignore a single FindBugs warning?
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justification="I know what I'm doing")
Note that since FindBugs 3.0.0 SuppressWarnings has been deprecated in favor of @SuppressFBWarnings because of the name clash with Java's SuppressWarnings.
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