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Deleting elements from std::set while iterating
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edited Jun 28 '19 at 19:04
Richard
40.9k2222 gold badges134134 silver badges203203 bronze badges
answer...
Macro vs Function in C
...int numButtons;
};
#define num_button_holes(shirt) ((shirt).numButtons * 4)
struct webpage page;
page.numButtons = 2;
num_button_holes(page) -> 8
Finally, macros can be difficult to debug, producing weird syntax errors or runtime errors that you have to expand to understand (e.g. with gcc -E...
What is the difference between #import and #include in Objective-C?
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340
The #import directive was added to Objective-C as an improved version of #include. Whether or n...
Dependency Inject (DI) “friendly” library
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4 Answers
4
Active
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Difference between pre-increment and post-increment in a loop?
...ch (string item in items)
{
Console.WriteLine(i++);
}
Output:
1
2
3
4
0
1
2
3
foreach and while loops depend on which increment type you use. With for loops like below it makes no difference as you're not using the return value of i:
for (int i = 0; i < 5; i++) { Console.Write(i);}
Con...
Add a common Legend for combined ggplots
...xt="group x y
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group4 0.417117 -0.002592
group1 -0.212201 0.358867
group2 -0.279756 -0.126194
group3 0.186860 -0.203273
group4 0.186860 -0.203273",header=TRUE)
df2 <- read.table(text="group x y
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What is an idiomatic way of representing enums in Go?
... b = 1 << iota // b == 2
c = 1 << iota // c == 4
)
const (
u = iota * 42 // u == 0 (untyped integer constant)
v float64 = iota * 42 // v == 42.0 (float64 constant)
w = iota * 42 // w == 84 (untyped integer constant)
)
c...
How to printf “unsigned long” in C?
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answered Jul 9 '10 at 4:50
ThanatosThanatos
36.1k1212 gold badges7272 silver badges132132 bronze badges
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Best way to strip punctuation from a string
...imeit(1000000)
This gives the following results:
sets : 19.8566138744
regex : 6.86155414581
translate : 2.12455511093
replace : 28.4436721802
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术
...要关心「连接」级别的状态的。
LVS的工作模式主要有4种：
DR
NAT
TUNNEL
Full-NAT
这里挑选常用的DR、NAT、Full-NAT来简单介绍一下。
1、DR
请求由LVS接受，由真实提供服务的服务器（RealServer, RS）直接返...