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Programmer Puzzle: Encoding a chess board state throughout a game
... square i.
2256 equals approximately 1.16e77. 1364 equals approximately 1.96e71, which requires 237 bits of storage space. That saving of a mere 7.5% comes at a cost of significantly increased manipulation costs.
Variable Base Encoding
In legal boards certain pieces can’t appear in certain squa...
How to correct TypeError: Unicode-objects must be encoded before hashing?
...dbits(256)).encode('utf-8')).hexdigest()
'cd183a211ed2434eac4f31b317c573c50e6c24e3a28b82ddcb0bf8bedf387a9f'
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How do I list the symbols in a .so file
...0049580 T proton::work_queue::add(proton::void_function0&)
000000000002e7b0 W proton::work_queue::impl::add_void(proton::internal::v03::work)
000000000002b1f0 T proton::container::impl::add_work_queue()
000000000002dc50 T proton::container::impl::container_work_queue::add(proton::internal::v03::...
jQuery vs document.querySelectorAll
...tpRequest: Jquery 89% slower
Height: $.outerHeight vs offsetHeight: Jquery 87% slower
Attr: $.attr vs setAttribute: Jquery 86% slower
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A potentially dangerous Request.Path value was detected from the client (*)
...hackernoon.com/restful-api-designing-guidelines-the-best-practices-60e1d954e7c9
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How to make a great R reproducible example
...thing on larger objects, you can try
my.df2 <- data.frame(a = sample(10e6), b = sample(letters, 10e6, replace = TRUE))
If you're working with spatial data via the raster package, you can generate some random data. A lot of examples can be found in the package vignette, but here's a small nugge...
Arduino101（Genuino 101）&App Inventor – RGB LED控制 - 创客硬件开...
繁体中文原文：https://blog.cavedu.com/2017/02/ ... %e6%8e%a7%e5%88%b6/
本文將介紹如何取得觸碰點的 RGB 參數之後透過 BLE 送給 Arduino 101 來點亮 RGB LED。
App InventorDesigner使用 Canvas 來取得觸碰點座標。兩個連線斷線用的按鈕：Btn_Connect /&n...
Zip lists in Python
...therwise, the result will be something like <zip object at 0x00000256124E7DC8>):
>>> a = b = c = range(20)
>>> list(zip(a, b, c))
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What is the JavaScript convention for no operation?
...ransform if you must):
()=>{} vs. Function.Prototype
()=>{} is 87% faster than Function.prototype in Chrome 67.
()=>{} is 25% faster than Function.prototype in Firefox 60.
()=>{} is 85% faster than Function.prototype in Edge (6/15/2018).
()=>{} is 65% less code than Function.pro...
Is it possible to have multiple statements in a python lambda expression?
...84, 58, 7, 99, 17, 14, 60, 35, 12, 56, 26, 48, 55, 40, 28, 52, 31, 39, 43, 96, 64, 63, 54, 37, 79, 25, 46, 72, 10, 59, 24, 68, 23, 13, 34, 41, 94, 29, 62, 2, 50, 32, 11, 97, 98, 3, 70, 93, 1, 36, 87, 47, 20, 73, 45, 0, 65, 57, 6, 76, 16, 85, 95, 61, 4, 77, 21, 81, 82, 30, 53, 51, 42, 67, 74, 8, 15, ...