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How to use XPath contains() here?
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Jeff YatesJeff Yates
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Instance variable: self vs @
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264
Writing @age directly accesses the instance variable @age. Writing self.age tells the object to ...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
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4 Answers
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Git diff between current branch and master but not including unmerged master commits
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243
git diff `git merge-base master branch`..branch
Merge base is the point where branch diverg...
C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的菱形继承结构。C100和C101通过虚继承共享同一个父类C041。C110则从C100和C101多重继承而来。
struct C041
{
C041() : c_(0x01) {}
virtual void foo() { c_ = 0x02; }
char c_;
};
struct C100 : public virtual C041
{
C100() : c_(0x02) {}
char...
How to query nested objects?
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431
db.messages.find( { headers : { From: "reservations@marriott.com" } } )
This queries for docu...
The differences between .build, .create, and .create! and when should they be used?
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How does zip(*[iter(s)]*n) work in Python?
... zip(), and it pulls an item from the iterator each time.
x = iter([1,2,3,4,5,6,7,8,9])
print zip(x, x, x)
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Does it make sense to do “try-finally” without “catch”?
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Taylor LeeseTaylor Leese
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