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Creating a singleton in Python
... http://googletesting.blogspot.com/2008/08/root-cause-of-singletons.html:
Now, there is one kind of Singleton which is OK. That is a singleton where all of the reachable objects are immutable. If all objects are immutable than Singleton has no global state, as everything is constant. But it is so e...
python exception message capturing
...ogger.error(e, exc_info=True)
... exception handling ...
This is now the old way (though still works):
import sys, traceback
def catchEverything():
try:
... some operation(s) ...
except:
exc_type, exc_value, exc_traceback = sys.exc_info()
... exception han...
Is it possible to print a variable's type in standard C++?
...(and good) answer is to use typeid(a).name(), where a is a variable name.
Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For example decltype(a) and decltype((a)) will generally be different types (and f...
What does [:] mean?
I'm analyzing some Python code and I don't know what
6 Answers
6
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UIWebView open links in Safari
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@JedGrant swift version now on stackoverflow.com/questions/2532453/…
– Carl Sharman
Jun 4 '15 at 16:04
2
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How do I diff the same file between two different commits on the same branch?
...>...]
For instance, to see the difference for a file "main.c" between now and two commits back, here are three equivalent commands:
$ git diff HEAD^^ HEAD main.c
$ git diff HEAD^^..HEAD -- main.c
$ git diff HEAD~2 HEAD -- main.c
...
How to create a jQuery plugin with methods?
...tooltip', $.extend(true, {}, $.fn.tooltip.defaults, methodOrOptions));, so now I can access to options whenever I want after the initialization.
– ivkremer
Aug 7 '13 at 11:10
16
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Static methods in Python?
...umber of arguments, but would also cause an exception to be raised because now n would be representing a Dog instance (i.e., rex) when the function expects n to be numerical.
This is where the decoration comes in:
If we precede the "rollCall" method with
@staticmethod
then, by explicitly stating...
How update the _id of one MongoDB Document?
I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get:
...
Android Studio needs JDK 7 for Android-L mac
...
The folder name changed and now the folder name is jdk1.7.0_65.jdk :)
– smartDonkey
Jul 16 '14 at 17:06
4
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