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What's the difference between parenthesis $() and curly bracket ${} syntax in Makefile?
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Based on Edouard's answer, which notes that the GNU make documentation states there's no difference, I'd guess this could just be a bug.
– Keith M
Jan 27 '17 at 17:43
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How does the @property decorator work in Python?
...is just syntactic sugar; the syntax:
@property
def foo(self): return self._foo
really means the same thing as
def foo(self): return self._foo
foo = property(foo)
so foo the function is replaced by property(foo), which we saw above is a special object. Then when you use @foo.setter(), what you ...
Python __call__ special method practical example
I know that __call__ method in a class is triggered when the instance of a class is called. However, I have no idea when I can use this special method, because one can simply create a new method and perform the same operation done in __call__ method and instead of calling the instance, you can c...
Spring get current ApplicationContext
...xt(getServletContext());
or
SpringBeanAutowiringSupport.processInjectionBasedOnCurrentContext(this);
As for some of the other replies, think twice before you do this:
new ClassPathXmlApplicationContext("..."); // are you sure?
...as this does not give you the current context, rather it cre...
How useful/important is REST HATEOAS ( maturity level 3)?
...augmented by the human being that is able to interpret and intuit the text based interface, recognize a small graphic with a shopping cart, and suss out what that actually means.
Most folks writing software don't do that. Most folks writing automated clients don't care. Most folks find it easier to...
How to import classes defined in __init__.py
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'lib/'s parent directory must be in sys.path.
Your 'lib/__init__.py' might look like this:
from . import settings # or just 'import settings' on old Python versions
class Helper(object):
pass
Then the following example should work:
from lib.settings import Values
from l...
NSLog the method name with Objective-C in iPhone
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print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 and above
print(#function)
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...meservice. Is it correct that in order for the certificate to work with IP-based address (https://AAA.BBB.CCC.DDD:9443/ISomeService), I need set all CN fields to AAA.BBB.CCC.DDD (replace someSubdomain.someorganisation.com by AAA.BBB.CCC.DDD in the file above) and import the resulting certificate fil...
Defining private module functions in python
According to http://www.faqs.org/docs/diveintopython/fileinfo_private.html :
9 Answers
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Test if remote TCP port is open from a shell script
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Brandon RhodesBrandon Rhodes
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