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Efficient way to determine number of digits in an integer
What is a very efficient way of determining how many digits there are in an integer in C++?
28 Answers
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How can I extract a predetermined range of lines from a text file on Unix?
...rtain section of this file (i.e. the data for a single database) and place it in a new file. I know both the start and end line numbers of the data that I want.
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How to submit a form with JavaScript by clicking a link?
Instead of a submit button I have a link:
8 Answers
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Trigger 404 in Spring-MVC controller?
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Since Spring 3.0 you also can throw an Exception declared with @ResponseStatus annotation:
@ResponseStatus(value = HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException {
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}
@Controller
public class SomeController {
@RequestMapping.....
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How to get client's IP address using JavaScript?
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I would use a web service that can return JSON (along with jQuery to make things simpler). Below are all the free active IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Tr...
Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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What must I know to use GNU Screen properly? [closed]
...ed a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies a...
How to set different label for launcher rather than activity title?
This question has been asked before - but with no satisfying answer at all! So I'm trying it again.
8 Answers
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How to swap the buffers in 2 windows emacs
...working on the buffer on the left side, calling 'buf-move-right' will swap it with the one on the right. I guess this is what you want.
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Adb Devices can't find my phone [closed]
...I have a Samsung Galaxy and I had the same issue as you. Here's how to fix it:
In device manager on your Windows PC, even though it might say the USB drivers are installed correctly, there may exist corruption.
I went into device manager and uninstalled SAMSUNG Android USB Composite Device and mad...