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How many bytes does one Unicode character take?
...ed with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another character, such as an a or a u to create a new logical character. A character therefore can consist of 1 or more c...
Spring Boot application as a Service
...ion packaged as executable jar as a Service in the Linux system? Is this recommended approach, or should I convert this app to war and install it into Tomcat?
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What is the difference between String and string in C#?
.... It's like int vs. System.Int32.
As far as guidelines, it's generally recommended to use string any time you're referring to an object.
e.g.
string place = "world";
Likewise, I think it's generally recommended to use String if you need to refer specifically to the class.
e.g.
string greet ...
Android: How can I get the current foreground activity (from a service)?
... answered Oct 6 '10 at 15:06
CommonsWareCommonsWare
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What is reflection and why is it useful?
...ass().getMethod("doSomething", null);
method.invoke(foo, null);
One very common use case in Java is the usage with annotations. JUnit 4, for example, will use reflection to look through your classes for methods tagged with the @Test annotation, and will then call them when running the unit test.
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Select by partial string from a pandas DataFrame
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...如：name, age, bGay = "haoel", 37, false, "haoel@hotmail.com"复制代码
上面的代码中，因为只有3个变量，所以第四个值被丢弃。函数也可以返回多个值：function getUserInfo(id)
print(id)
return "haoel", 37, &q...
How do I get a background location update every n minutes in my iOS application?
...e actual code reflecting what is being discussed here, check stackoverflow.com/questions/10235203/…
– Lolo
Mar 1 '13 at 5:30
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Why do we need tuples in Python (or any immutable data type)?
...but far more than just "substantial" (designing decent hash tables storing completely mutable objects is a nightmare -- either you take copies of everything as soon as you hash it, or the nightmare of checking whether the object's hash has changed since you last took a reference to it rears its ugly...