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What does “error: option --single-version-externally-managed not recognized” indicate?
...externally-managed not recognized when pip install ing varions packages (including PyObjC and astropy ). I've never seen this error before, but it's now also showing up on travis-ci builds for which nothing has changed.
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Elegant setup of Python logging in Django
...],
'class': 'django.utils.log.AdminEmailHandler',
'include_html': True,
}
},
'loggers': {
'django.request': {
'handlers': ['mail_admins'],
'level': 'ERROR',
'propagate': True,
},
'apps': { # I keep al...
Gradle finds wrong JAVA_HOME even though it's correctly set
...ript) to call out to a setenv.sh to set up environment variables which may include JAVA_HOME
– Lucas
Mar 10 '14 at 18:38
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How do I create a category in Xcode 6 or higher?
...ilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
– Jasper
Jul 28 '15 at 14:29
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How to migrate GIT repository from one server to a new one
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iPhone: How to get current milliseconds?
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Note, you'll need to include the Quartz Framework and #import <Quartz/CABase.h> to make this call.
– BadPirate
Feb 21 '12 at 21:08
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Where does Java's String constant pool live, the heap or the stack?
...nt pool, field and method data, and the code for methods and constructors, including the special methods used in class and instance initialization and interface type initialization". The VM spec says that although the method area is logically part of the heap, it doesn't dictate that memory allocat...
How do I hide .class files from the Open Resource dialog in Eclipse?
... are consider as candidates for searching or for opening resources. I have included only src and test folders and usually pom.xml's and other misc configuration files.
With the couple of large projects I'm working on it has a noticeable impact on search speed too.
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What is a practical use for a closure in JavaScript?
...y characteristic is that it has access to the scope of the parent function including it's variables and methods.
– Chris Halcrow
Feb 13 '18 at 10:28
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Objective-C ARC: strong vs retain and weak vs assign
... retain it will auto converted/work like strong only.
methods like "alloc" include an implicit "retain"
Example:
@property (nonatomic, retain) NSString *name;
@synthesize name;
4.assign
assign is the default and simply performs a variable assignment
assign is a property attribute that tells...