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What is the difference between map and flatMap and a good use case for each?
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16 Answers
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Using switch statement with a range of value in each case?
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17 Answers
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Get top n records for each group of grouped results
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Determining if a variable is within range?
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if i.between?(1, 10)
do thing 1
elsif i.between?(11,20)
do thing 2
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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...题首先看如下代码：int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码：
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
printf("%d,%d\n", *(a+1), *(ptr-1));
return 0...
How can I remove a flag in C?
... the flag you want to unset. A Bitwise NOT inverts every bit (i.e. 0 => 1, 1 => 0).
flags = flags & ~MASK; or flags &= ~MASK;.
Long Answer
ENABLE_WALK = 0 // 00000000
ENABLE_RUN = 1 // 00000001
ENABLE_SHOOT = 2 // 00000010
ENABLE_SHOOTRUN = 3 // 00000011
value = ENABL...
Is R's apply family more than syntactic sugar?
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The apply functions in R don't provide improved performance over other looping functions (e.g....
How do I get both STDOUT and STDERR to go to the terminal and a log file?
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Use "tee" to redirect to a file and the screen. Depending on the shell you use, you first hav...
How to downgrade or install an older version of Cocoapods
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edited Jul 28 '17 at 20:20
answered Dec 10 '13 at 8:30
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