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Replace a string in shell script using a variable
...x> echo X123456789X | sed "s/123456789/${replace}/"
X987654321X
pax> _
Just be careful to ensure that ${replace} doesn't have any characters of significance to sed (like / for instance) since it will cause confusion unless escaped. But if, as you say, you're replacing one number with another...
How can I send mail from an iPhone application
.... I have heard that the iOS SDK doesn't have an email API. I don't want to use the following code because it will exit my application:
...
Different between parseInt() and valueOf() in java?
How is parseInt() different from valueOf() ?
11 Answers
11
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Creating a constant Dictionary in C#
...s SomeClass
{
static readonly ReadOnlyDictionary<string,int> SOME_MAPPING
= new ReadOnlyDictionary<string,int>(
new Dictionary<string,int>()
{
{ "One", 1 },
{ "Two", 2 }
}
)
}
...
Getting the folder name from a path
...red Aug 14 '17 at 18:11
susieloo_susieloo_
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...
How to find day of week in php in a specific timezone
...
Another quick way:
date_default_timezone_set($userTimezone);
echo date("l");
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Split list into smaller lists (split in half)
...6]
B = A[:len(A)//2]
C = A[len(A)//2:]
If you want a function:
def split_list(a_list):
half = len(a_list)//2
return a_list[:half], a_list[half:]
A = [1,2,3,4,5,6]
B, C = split_list(A)
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A more useful statusline in vim? [closed]
I’d like to make my statusline in vim more informative and interesting, and for that I need some ideas. How did you customize your statusline?
...
视觉AI(HarmonyVisionAI)使用指导 · App Inventor 2 中文网
...误信息
}
案例二:物体检测
when 按钮_物体.Click() {
HarmonyVisionAI1.DetectObjects("objects.jpg")
}
when HarmonyVisionAI1.ObjectsDetected(结果JSON) {
标签1.Text = 结果JSON
}
参数与返回值速查
JSON 参数是文本,...
AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...
下载和安装
AsyncProcedures扩展: co.sgext_.asyncprocedure.aix
开发动机
Async Proc是一个扩展,您可以使用它来异步运行过程。您不再需要等待循环完成,也不必担心由于Android系统认为您的应用程序...
