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RESTful Authentication via Spring

.../> <security:intercept-url pattern="/authenticate" access="permitAll"/> <security:intercept-url pattern="/**" access="isAuthenticated()" /> </security:http> <bean id="CustomAuthenticationEntryPoint" class="com.demo.api.support.spring.CustomAuthenticationEntryPoin...
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What is an existential type?

...hrough the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between ...
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Does Git warn me if a shorthand commit ID can refer to 2 different commits?

...en testing this, you need a minimum of 4-digit SHA1, because of int minimum_abbrev = 4 in environment.c. (Thanks @devnull for pointing that out!) share | improve this answer | ...
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overlay opaque div over youtube iframe

...text/html" width="520" height="330" src="http://www.youtube.com/embed/NWHfY_lvKIQ?wmode=opaque" frameborder="0"></iframe> share | improve this answer | follow ...
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Indenting #defines

I know that #define s, etc. are normally never indented. Why? 8 Answers 8 ...
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Is there a way to check if a file is in use?

...nderstand your hesitation about using exceptions, but you can't avoid them all of the time: protected virtual bool IsFileLocked(FileInfo file) { try { using(FileStream stream = file.Open(FileMode.Open, FileAccess.Read, FileShare.None)) { stream.Close(); }...
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Replace comma with newline in sed on MacOS?

...line, e.g. echo "a,b" | sed -e $'s/,/\\\n/g' Note this will not work on all shells, but will work on the most common ones. share | improve this answer | follow ...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...e NDK documents. Ever since the release NDK-r6, it has provided a utility called ndk-stack. Following is the content from official NDK documents with the NDK-r9 tar ball. Overview: ndk-stack is a simple tool that allows you to filter stack traces as they appear in the output of 'adb logcat' and r...
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Can you attach a UIGestureRecognizer to multiple views?

...rray...: >; layer = <CALayer: ...>>) at a time, this was never allowed, and is now enforced. Beginning with iOS 9.0 it will be put in the first view it is loaded into. – George Brown Jan 5 '16 at 21:54 ...
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Which Architecture patterns are used on Android? [closed]

I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android? 12 Answe...