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How to reliably guess the encoding between MacRoman, CP1252, Latin1, UTF-8, and ASCII
...ers are ·•–é°®’èö—. Based on this fact,
The bytes 0x92, 0x95, 0x96, 0x97, 0xAE, 0xB0, 0xB7, 0xE8, 0xE9, or 0xF6 suggest windows-1252.
The bytes 0x8E, 0x8F, 0x9A, 0xA1, 0xA5, 0xA8, 0xD0, 0xD1, 0xD5, or 0xE1 suggest MacRoman.
Count up the cp1252-suggesting bytes and the MacRoman-sug...
Xcode doesn't show the line that causes a crash
...exFunction] + 61
4 testABC 0x000000010dce95db -[ViewController thirdFunction] + 43
5 testABC 0x000000010dce959b -[ViewController secondFunction] + 43
6 testABC 0x000000010dce955b -[ViewController fi...
No == operator found while comparing structs in C++
...
95
C++20 introduced default comparisons, aka the "spaceship" operator<=>, which allows you t...
CDN（内容分发网络）技术原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...迟的。据统计，采用CDN技术，能处理整个网站页面的70%～95％的内容访问量，减轻服务器的压力，提升了网站的性能和可扩展性。
与目前现有的内容发布模式相比较，CDN强调了网络在内容发布中的重要性。通过引入主动的内容...
Apply multiple functions to multiple groupby columns
... 1]
df
a b c d group
0 0.418500 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 aggr...
What are the differences between delegates and events?
...
95
In addition to the syntactic and operational properties, there's also a semantical difference. ...
Cluster analysis in R: determine the optimal number of clusters
...145907 0.04057451
[3,] 4.557779 5.069601 0.5118225 0.03215540
[4,] 3.928959 4.880453 0.9514943 0.04630399
[5,] 3.789319 4.766903 0.9775842 0.04826191
[6,] 3.747539 4.670100 0.9225607 0.03898850
[7,] 3.582373 4.590136 1.0077628 0.04892236
[8,] 3.528791 4.509247 0.9804556 0.04701930
[9,] ...
How to create the most compact mapping n → isprime(n) up to a limit N?
...------|-------------|
| is_prime_3 | all | 0.20 | 0.95 | 50.99 |
| is_prime_3 | False | 0.20 | 0.60 | 40.62 |
| is_prime_3 | True | 0.58 | 4.22 | 50.99 |
|-------------|-------------|-------------|-------------|-----...
To underscore or to not to underscore, that is the question
...
Andreas Grech
95.7k9595 gold badges282282 silver badges354354 bronze badges
answered Jan 16 '09 at 12:14
Binary Wor...