大约有 40,000 项符合查询结果（耗时：0.0742秒） [XML]
How do you easily horizontally center a using CSS? [duplicate]
...
806
In the case of a non-fixed width div (i.e. you don't know how much space the div will occupy).
...
What is the optimal Jewish toenail cutting algorithm?
...e. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
i...
How to get a variable value if variable name is stored as string?
...
answered Dec 17 '09 at 12:09
Phil RossPhil Ross
22.5k99 gold badges6666 silver badges7474 bronze badges
...
Why does pthread_cond_wait have spurious wakeups?
...ion is given by David R. Butenhof in "Programming with POSIX Threads" (p. 80):
Spurious wakeups may sound strange, but on some multiprocessor systems, making condition wakeup completely predictable might substantially slow all condition variable operations.
In the following comp.programming.th...
Inheriting class methods from modules / mixins in Ruby
...
Sergio TulentsevSergio Tulentsev
203k3636 gold badges337337 silver badges336336 bronze badges
...
TypeScript “this” scoping issue when called in jquery callback
...ance trade-off compared to the first method
Good: In TypeScript, this has 100% type safety
Good: Works in ECMAScript 3
Good: You only have to type the instance name once
Bad: You'll have to type the parameters twice
Bad: Doesn't work with variadic parameters
...
What is “stdafx.h” used for in Visual Studio?
...afx.h is automatically generated when I start a project in Visual Studio 2010. I need to make a cross-platform C++ library, so I don't/can't use this header file.
...
How do I parse XML in Python?
... |
edited Dec 13 '19 at 0:39
Mig B
52311 gold badge55 silver badges1515 bronze badges
answered Dec 16 ...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
...
Numpy array dimensions
...
answered Jun 17 '10 at 12:59
Felix KlingFelix Kling
666k151151 gold badges968968 silver badges10321032 bronze badges
...