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How do I check if there are duplicates in a flat list?
...eturn len(your_list) != len(set(your_list))
@b.add_function()
def MSeifert04(l):
return not all_distinct(l)
And for the arguments:
# No duplicate run
@b.add_arguments('list size')
def arguments():
for exp in range(2, 14):
size = 2**exp
yield size, list(range(size))
# Du...
RESTful API methods; HEAD & OPTIONS
...
As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This m...
Apply multiple functions to multiple groupby columns
... 0.030955 0.874869 0.145641 0
1 0.446069 0.901153 0.095052 0.487040 0
2 0.843026 0.936169 0.926090 0.041722 1
3 0.635846 0.439175 0.828787 0.714123 1
A dictionary mapped from column names to aggregation functions is still a perfectly good way to perform an aggrega...
Why does C++ require a user-provided default constructor to default-construct a const object?
...'t defined user-defined constructor. Compile it. It will compile:
http://www.ideone.com/h7TsA
And comment the virtual function, then it gives error, as expected:
http://www.ideone.com/SWk7B
Well, I think, you misunderstood the passage. It first says this (§8.5/9):
If no initializer is...
How to specify maven's distributionManagement organisation wide?
...t;
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>your.company&...
JavaScript get clipboard data on paste event (Cross browser)
...igher!
– Eric Wood
Dec 27 '13 at 21:04
1
...
How to change the style of the title attribute inside an anchor tag?
...ity?
– user1816910
Jun 28 '14 at 22:04
8
An answer without the title attribute in the code has ov...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...ETE 0x0003 删除文件，只使用 pFrom
FO_RENAME 0x0004 文件重命名
fFlags可以为：
FOF_MULTIDESTFILES 0x0001 //pTo 指定了多个目标文件，而不是单个目录
FOF_CONFIRMMOUSE 0x0002
FOF_SILENT 0x00044 // 不显示一...
Difference between Observer, Pub/Sub, and Data Binding
...atterns: Designing, Building, and Deploying Messaging Solutions" -
http://www.addison-wesley.de/9780321200686.html
This book contains a lot of ideas about how to send messages between processes or classes that can be used even in intra-process communication tasks (it helped me to program in a more...
Seeding the random number generator in Javascript
...rLT
– Nathan Breit
Oct 12 '13 at 14:04
8
6,000,000 ops/second is pretty fast, I don't plan on gen...