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CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...你的控件作为一个注册对象而不会产生一些莫名其妙的WIN95问题。
另外，也可以选择使用CGridCtrl::Create()。
本文实例采用的是后一种方法。具体过程如下：
首先，自定义一个CGridCtrl的派生类，CMyGridCtrl。添加函数:
void SetCo...
Best way to represent a fraction in Java?
...System.out.println(new BigFraction(1.1))
* will print:
* 2476979795053773/2251799813685248
*
* This is because 1.1 cannot be expressed exactly in binary form. The
* given fraction is exactly equal to the internal representation of
* the double-precision floating-point number....
Encrypt and decrypt a string in C#?
...microsoft.com/en-us/library/system.security.cryptography.aesmanaged%28v=vs.95%29.aspx
Good luck!
public class Crypto
{
//While an app specific salt is not the best practice for
//password based encryption, it's probably safe enough as long as
//it is truly uncommon. Also too much work...
Usage of __slots__?
...00000 16 96281480 97 __main__.Bar
3 12284 1 987472 1 97268952 97 str
...
Access the regular objects and their __dict__ and inspect again:
>>> for f in foos:
... f.__dict__
>>> guppy.hpy().heap()
Partition of a set of 3028258 objects. Total size = 379763480 by...
How to find list of possible words from a letter matrix [Boggle Solver]
...
Eric
83.8k4343 gold badges195195 silver badges315315 bronze badges
answered Apr 15 '09 at 2:00
Darius BaconDarius Bacon
...
Fastest way to iterate over all the chars in a String
...any 'string.charAt(n)' calls.
THIRD UPDATE: As of 2020-09-07, on my Ryzen 1950-X 16 core and source 1.14, 'charAt1' is 9 times slower than field access and 'charAt2' is 4 times slower than field access. Field access is back as the clear winner. Note than the program will need to use byte[] access fo...
What's so bad about Template Haskell?
...as complicated as an AST. https://github.com/mgsloan/th-extra/commit/d7784d95d396eb3abdb409a24360beb03731c88c
In other words, this went after the features provided by TH, but it had to lift an entire domain of the language, the construction language, into a type system representation. While I can ...
What is the maximum length of a URL in different browsers?
...PovE6X0eV8MIX0jpQ8pe5SPzeKndmLFl2QuPCpMpnwV1Pg345ZuLc4DbfbG0enlJelp/ZR5EuS3959F4nS+jyvhg7z6LxOl9HlfDDCjrFmosxCSrgMLixsdmRzEb45zQUd59F4nS+jyvhg7z6LxOl9HlfDDeCAFHefReJ0vo8r4YO8+i8TpfR5Xww3ggBR3n0XidL6PK+GDvPovE6X0eV8MN4IAUd59F4nS+jyvhg7z6LxOl9HlfDDeFOsNVMlSmmI1gguRhBJ6zsispaVZWclGLkzzvPovE6X0eV8MHefRe...
How to implement classic sorting algorithms in modern C++?
...tra pass over a million elements to find out that the true bounds are 1 to 95. Even 0 to 1000 would be worth it; the extra elements are written once with zero and read once).
Growing counts on the fly is another way to avoid a separate first pass. Doubling the counts size each time it has to grow ...
Python base64 data decode
...AAAQ9aMdQAAAABD1pV1AAAAAEPWlZoAAAAAQ9aVvgAAAABD1pXjAAAAAEPWlgdC4s80Q9aWLENR95VD1pZQQzhC/0PWlnVC0TaKQ9aWmgAAAABD1pa+AAAAAEPWluMAAAAAQ9aXBwAAAABD1wpKAAAAAEPXCm8AAAAAQ9cKlAAAAABD1wq5AAAAAEPXCt0AAAAAQ9cLAkOM9OhD1wsnREXjmUPXC0xEi3MpQ9cLcER5n2RD1wuVRAxzB0PXC7pDbm1bQ9cL3kND/tdD1wwDQsah9EPXDCgAAAAAQ9cMTQAAA...