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[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nt, 5>!!
// ------------------ fill ------------------
array<int, 5> a5;
a5.fill(5);
printContainer(a5, "a5: "); // a5: 5 5 5 5 5
// ------------------ move ------------------
// ------------------ array with class objects. ------------------
END_TEST;
注意事项
s...
研究：[url]https://peterzhong1219.gitee.io/webpages/%E5%A6%82%E4%BD%95...
研究：https://peterzhong1219.gitee.io/ ... App%20Inventor.htmlhttps://qastack.cn/programming/1 ... up-the-gwt-compiler已研究，已解决问题。
Xcode doesn't show the line that causes a crash
...onPreprocess + 171
1 libobjc.A.dylib 0x000000010e2be21e objc_exception_throw + 48
2 CoreFoundation 0x000000010e8b5c2f -[__NSSingleObjectArrayI objectAtIndex:] + 111
3 testABC 0x000000010dce962d -[ViewController Co...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...会发现IE实际查询的网址是“http://zh.wikipedia.org/wiki/%E6%98%A5%E8%8A%82”。也就是说，IE自动将“春节”编码成了“%E6%98%A5%E8%8A%82”。
我们知道，“春”和“节”的utf-8编码分别是“E6 98 A5”和“E8 8A 82”，因此，“%E6%98%A5%E8%8A%82”...
Evaluate expression given as a string
...here's no nice formatting):
q5 <- quote(5+5)
str(q5)
# language 5 + 5
e5 <- expression(5+5)
str(e5)
# expression(5 + 5)
and if you get more experienced you'll learn that q5 is a "call" whereas e5 is an "expression", and even that e5[[1]] is identical to q5:
identical(q5, e5[[1]])
# [1] TR...
一文了解大数据领域创业的机会与方向 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...户不知道大数据是个什么东西。
3、大数据只解决了部分2B的问题，2C产品较少。现在大家都觉得大数据的方向就是2B，我们不这么认为。打个比方说，你做2B的产品，每家企业平均给你200万，新创大数据企业你撑死了一年做上20...
Generating v5 UUID. What is name and namespace?
...UUID Namespace_RectalForeignExtractedObject = '8e884ace-bee4-11e4-8dfc-aa07a5b093db'
The name is a string of arbitrary length.
The name is just the text you want to have appended to the namespace, then hashed, and stuffed into a UUID:
uuid = NameToUUID('8e884ace-bee4-11e4-8dfc-aa07a5b093db', 'scr...
How to track down a “double free or corruption” error
...0 68:03 5310264 /lib64/libgcc_s-4.1.2-20080825.so.1
2b1912300000-2b1912302000 rw-p 2b1912300000 00:00 0
2b191231c000-2b191231d000 rw-p 2b191231c000 00:00 0
7ffffe214000-7ffffe229000 rw-p 7ffffffe9000 00:00 0 [stack]
7ffffe2b0000-7ffffe2b4000 r-xp 7ffffe2b0...
Set transparent background of an imageview on Android
...r.
Some opacity code:
Hex Opacity Values
100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75% — BF
70% — B3
65% — A6
60% — 99
55% — 8C
50% — 80
45% — 73
40% — 66
35% — 59
30% — 4D
25% — 40
20% — 33
15% — 26
10% — 1A
5% — 0D
0% — 00
You can also set opacity p...
Does C# have an equivalent to JavaScript's encodeURIComponent()?
...ow"
Uri.EscapeDataString("Stack + Overflow") --> Also encodes "+" to "%2b" ---->Stack%20%2B%20%20Overflow
Only the last is correct when used as an actual part of the URL (as opposed to the value of one of the query string parameters)
...