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How to add texture to fill colors in ggplot2
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edited Dec 27 '17 at 15:36
Claus Wilke
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answe...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
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RUN_GTEST(ArrayTest, NormalExample, @);
array<int, 5> a = { 1, 2, 3 };
psln(a.size()); // a.size() = 5;
psln(a.max_size()); // a.max_size() = 5;
EXPECT_FALSE(a.empty()); // empty() is false.
printContainer(a, "array: "); ...
Regular expression that matches valid IPv6 addresses
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254
I was unable to get @Factor Mystic's answer to work with POSIX regular expressions, so I wrote ...
What is the ultimate postal code and zip regex?
...e IMO. But you would still be missing on the validation part: Zip code 12345 may exist, but 12346 not, maybe 12344 doesn't exist either. How do you check for that with a regex?
You can't.
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Create an array with same element repeated multiple times
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How to get first and last day of previous month (with timestamp) in SQL Server
...SQL does.
– daOnlyBG
May 22 '17 at 15:14
Datediff only takes two arguments. I get #1582 - Incorrect parameter count in...
C++并发编程（中文版） - 文档下载 - 清泛网 - 专注C/C++及内核技术
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1.2 为什么使用并发… 4
1.2.1 因划分重点而使用并发… 5
1.2.2 为了提高性能而使用并发… 5
1.2.3 什么时候不使用并发… 6
1.3 在C++中使用并发和多线程… 7
1.3.1 多线程在C++中的发展历程… 7
1.3.2 新标准对于并发的支持… 8
1.3...
What is the optimal Jewish toenail cutting algorithm?
...ish rule. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
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Counting the occurrences / frequency of array elements
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edited Jan 10 '19 at 22:56
jpaugh
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answered Apr...
How to get thread id from a thread pool?
I have a fixed thread pool that I submit tasks to (limited to 5 threads). How can I find out which one of those 5 threads executes my task (something like "thread #3 of 5 is doing this task")?
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