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Should methods that throw RuntimeException indicate it in method signature?
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I would not declare an unchecked exception in the signature, since it is misleading to the user of that API. It is no longer obvious whether the exception has to be explicitly handled.
Declaring it in the javadoc is a better approach since it allows someone to handle it if they think it is...
Which is faster: while(1) or while(2)?
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Both loops are infinite, but we can see which one takes more instructions/resources per iteration.
Using gcc, I compiled the two following programs to assembly at varying levels of optimization:
int main(void) {
while(1) {}
return 0;
}
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What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...mon beginner mistake is when you try to use a class property "statically" without making an instance of that class. It leaves you with the mentioned error message:
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Exposing a port on a live Docker container
...ruction inside a Dockerfile to expose a port, and I can use the -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
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Pass Array Parameter in SqlCommand
I am trying to pass array parameter to SQL commnd in C# like below, but it does not work. Does anyone meet it before?
12 A...
How to parse/format dates with LocalDateTime? (Java 8)
Java 8 added a new java.time API for working with dates and times ( JSR 310 ).
7 Answers
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How do I know if a generator is empty from the start?
Is there a simple way of testing if the generator has no items, like peek , hasNext , isEmpty , something along those lines?
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How to get the difference between two arrays in JavaScript?
...c"));
A better solution, if you don't care about backward compatibility, is using filter. But still, this solution works.
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How to remove/change JQuery UI Autocomplete Helper text?
It seems that this is a new feature in JQuery UI 1.9.0, because I used JQuery UI plenty of times before and this text never poped up.
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How to check if a string in Python is in ASCII?
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It's not inefficient. all() will short-circuit and return False as soon as it encounters an invalid byte.
– John Millikin
Oct 13 '08 at 20:03
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