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Understanding __get__ and __set__ and Python descriptors
...th the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descriptor to (celsius in the above example) calls the appropriate descriptor method.
instance in __get__ is the instance of the class (so above, __get__ would r...
Query grants for a table in postgres
How can I query all GRANTS granted to an object in postgres?
7 Answers
7
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grepping using the “|” alternative operator
...Still, I'd delete an answer that is identical to the upvoted answer. Especially if had were 40k reputation under my belt.
– Attila Csipak
Sep 4 at 13:29
add a comment
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Unix shell script to truncate a large file
...
: > filename
: is a no-op in bash (POSIX-compliant), so this essentially just opens the file for writing (which of course truncates the file) and then immediately closes it.
EDIT: as shellter commented, you don't actually need a command to go along with the redirection:
$ echo foo > foo....
Memory management in Qt?
... need to delete and/or destroy my objects? Is any of this handled automatically?
4 Answers
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android fragment onRestoreInstanceState
... that fragment (which belongs to an activity) and go back to the fragment, all values are then restored from the parent activity
– Shaun
Dec 5 '13 at 3:16
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Split a string on whitespace in Go?
...n those expression matches.
The slice returned by this method consists of all the substrings
of s not contained in the slice returned by FindAllString. When called
on an expression that contains no metacharacters, it is equivalent to strings.SplitN.
Example:
s := regexp.MustCompile("a*").Split("a...
PowerMockito mock single static method and return object
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What you want to do is a combination of part of 1 and all of 2.
You need to use the PowerMockito.mockStatic to enable static mocking for all static methods of a class. This means make it possible to stub them using the when-thenReturn syntax.
But the 2-argument overload of mo...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...示原结果，故找一赝品将就着。
Program terminated normally
我们可以用Ｕ命令将十六进制的机器码反汇编（Unassemble）成汇编指令。你将发现每一行右边的汇编指令就是被汇编成相应的机器码，而8086实际上就是以机器码来...
What Does Question Mark Mean in Xcode Project Navigator?
... the file and goto Source Control->Add. This will turn ? to A. So, basically: ? means not part of source control. A means added to source control, but not modified. M means it is added to source control and is modified.
– Farhan Hafeez
Feb 13 '13 at 6:44
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