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How do you convert a byte array to a hexadecimal string, and vice versa?

...5-08-20. I ran each of the various conversion methods through some crude Stopwatch performance testing, a run with a random sentence (n=61, 1000 iterations) and a run with a Project Gutenburg text (n=1,238,957, 150 iterations). Here are the results, roughly from fastest to slowest. All measurements...
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How to get the mouse position without events (without moving the mouse)?

...and possibly a workaround. Also, I'd consider this answer partially within topic since as far as I know, this is the best method to get the cursor position at any given time without having to use events directly. That said, the answer could've been worded more along the lines of stating the fact and...
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Intelligent point label placement in R

...on!!! Works just great! The downside is that there are only 4 positions (top, left, bottom, right), but I'd more appreciate the other 4 (top-left, top-right, bottom-left, bottom-right)... So I use this to labels points where it doesn't bother me and the rest of the points I label directly in my Po...
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Why does the expression 0 < 0 == 0 return False in Python?

... 1 (0) 3 LOAD_CONST 1 (0) 6 DUP_TOP 7 ROT_THREE 8 COMPARE_OP 0 (&lt;) 11 JUMP_IF_FALSE_OR_POP 23 14 LOAD_CONST 1 (0) 17 COMPARE_OP 2 (==) 20 JUMP_FORWARD ...
https://www.tsingfun.com/it/cpp/1289.html 

CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术

... dwStyle:控件风格,默认值为:WS_CHILD | WS_BORDER | WS_TABSTOP | WS_VISIBLE。 常用风格请参见下表: 控件风格ID 说明 WS_CHILD 说明窗口为子窗口 WS_OVERLAPPED 重叠窗口,通常有标题条和边...
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What is the purpose of the “final” keyword in C++11 for functions?

... C then it is not allowed. So it probably doesn't make sense to make the 'top-level' foo final, but it might make sense lower down. (I think though, there is room to extend the words final and override to non-virtual members. They would have a different meaning though.) ...
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Center image in table td in CSS

... What if I want it centred from top as well – Sohaib Jul 2 '13 at 17:07 11 ...
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How can I access a JavaScript object which has spaces in the object's key?

... Use ECMAscripts "bracket notation": myTextOptions[ 'character names' ].kid; You can use that notation either way, reading &amp; writting. For more information read out here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_Objects ...
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Quickly find whether a value is present in a C array?

...unt / 8 pld [r1,#128] ldmia r1!,{r4-r7} ; pre load first set loop_top: pld [r1,#128] ldmia r1!,{r8-r11} ; pre load second set cmp r4,r2 ; search for match cmpne r5,r2 ; use conditional execution to avoid extra branch instructions cmpne r6,r2 cmpne r7,...
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What does -D_XOPEN_SOURCE do/mean?

...EN_SOURCE 500 #define _XOPEN_SOURCE 600 #define _XOPEN_SOURCE 700 at the top of your source file before doing any #includes if you want to use strdup. Or you could put #define _GNU_SOURCE there instead, which enables all functionality, with the downside that it might not compile on Solaris, Fr...