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How to avoid explicit 'self' in Python?
... functions require no knowledge of the actual class
# how hard are they to read and realize that "members" are used?
B.__init__ = B_init
B.__str__ = B_str
print B()
# <The answer is 42.>
Remember, both of these examples are extreme and you won't see them every day, nor am I suggesting you ...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...ite("too young, too naive!\n")
else
local age = io.read()
print("Your age is "..age)
end复制代码
上面的语句不但展示了if-else语句，也展示了
1）“～=”是不等于，而不是!=
2）io库的分别从stdin和stdout读写的read...
string c_str() vs. data()
I have read several places that the difference between c_str() and data() (in STL and other implementations) is that c_str() is always null terminated while data() is not.
As far as I have seen in actual implementations, they either do the same or data() calls c_str() .
...
How do I add a library project to Android Studio?
...consider Dependencies, Android Libraries and Multi-project setup necessary reading. Please take a few minutes to do so.
Particularly, in the case of a non-jar library project, read the following snippet from above source:
Gradle projects can also depend on other gradle projects by using a multi...
How do you work with an array of jQuery Deferreds?
...
@ElfSternberg it is indeed irrelevant, but for readability I don't need to take a second glance at $.when.apply($, .... The null makes me go "wait, what?". It's a matter of style and coding practice. I had to read the source to confirm this wouldn't throw a null reference...
When should I use a trailing slash in my URL?
....
Source: Wikipedia: Uniform Resource Identifier
Another good source to read: Wikipedia: URI Scheme
According to RFC 1738, which defined URLs in 1994, when resources contain references to other resources, they can use relative links to define the location of the second resource as if to say, ...
Is inline assembly language slower than native C++ code?
...gh-level language does not expose. Do you want a touch of this complexity? Read this awesome answer here on SO.
Why this?
First of all because compilers can do optimizations that we can't even imagine (see this short list) and they will do them in seconds (when we may need days).
When you code i...
Static/Dynamic vs Strong/Weak
... Wikipedia has all the answers. Why I've not stumbled across this already I don't know.
– Dan Revell
Feb 28 '10 at 13:51
32
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What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...cerier: on a single core machine, yes, but multi-core machines and multi-threaded programs can use more than 1 CPU second per elapsed second.
– Jonathan Leffler
Dec 16 '14 at 12:19
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