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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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multiprocessing.Pool: When to use apply, apply_async or map?

... Back in the old days of Python, to call a function with arbitrary arguments, you would use apply: apply(f,args,kwargs) apply still exists in Python2.7 though not in Python3, and is generally not used anymore. Nowadays, f(*args,**kwargs) is preferred. The...
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mysql_config not found when installing mysqldb python interface

...the linux server I'm connected to via ssh. The script uses mysqldb. I have all the other components I need, but when I try to install mySQLdb via setuptools like so:, ...
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“ImportError: No module named” when trying to run Python script

...the notebook to operate from in your ipython_notebook_config.py file (typically using the c.NotebookManager.notebook_dir setting). The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys.path list. In your notebook, fi...
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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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How are feature_importances in RandomForestClassifier determined?

...d in [1] (often cited, but unfortunately rarely read...). It is sometimes called "gini importance" or "mean decrease impurity" and is defined as the total decrease in node impurity (weighted by the probability of reaching that node (which is approximated by the proportion of samples reaching that no...
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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...
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Open URL in same window and in same tab

...ute target= of tag a. In fact, you can name your window whatever you like. All what you need is set it different value, so that it won't open in the same window or tab. – ijse Dec 10 '11 at 14:57 ...
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How to customize user profile when using django-allauth

I have a django project with the django-allauth app. I need to collect additional data from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part. ...
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round() for float in C++

... but there are others such as round-to-even, which is less biased and generally better if you're going to do a lot of rounding; it's a bit more complex to implement though. share | improve this answ...