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Difference between Role and GrantedAuthority in Spring Security

...thority as being a "permission" or a "right". Those "permissions" are (normally) expressed as strings (with the getAuthority() method). Those strings let you identify the permissions and let your voters decide if they grant access to something. You can grant different GrantedAuthoritys (permissions...
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How to process SIGTERM signal gracefully?

... @Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
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Python mysqldb: Library not loaded: libmysqlclient.18.dylib

I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports 15 Answe...
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What is the most efficient string concatenation method in python?

... idiomatic and thus easier for other python programmers to understand. Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing. You can measure different methods using the timeit module. That can tell you which is fastest, instead of r...
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What does “mro()” do?

...very attribute you get on a class's instance, not just methods, is conceptually looked up along the __mro__, so, if more than one class among the ancestors defines that name, this tells you where the attribute will be found -- in the first class in the __mro__ that defines that name. ...
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How can I save a screenshot directly to a file in Windows? [closed]

...ormat format = ImageFormat.PNG; or ImageFormat format = ImageFormat.JPG; All is here for you – Patrick Desjardins Oct 1 '08 at 15:31 4 ...
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Are PHP include paths relative to the file or the calling code?

...e location of A.PHP? That is, does it matter which file the include is called from, or only what the current working directory is- and what determines the current working directory? ...
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How do I use PHP namespaces with autoload?

... $class parameter of autoload is the class name as written in constructor call. – tishma Feb 6 '13 at 12:29 1 ...
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No output to console from a WPF application?

... You'll have to create a Console window manually before you actually call any Console.Write methods. That will init the Console to work properly without changing the project type (which for WPF application won't work). Here's a complete source code example, of how a C...
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What are the best JVM settings for Eclipse? [closed]

...jvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Declipse.p2.unsignedPolicy=allow -Xms128m -Xmx384m -Xss4m -XX:PermSize=128m -XX:MaxPermSize=384m -XX:CompileThreshold=5 -XX:MaxGCPauseMillis=10 -XX:MaxHeapFreeRatio=70 -XX:+CMSIncrementalPacing -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseFast...