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The modulo operation on negative numbers in Python
...but in C, if N ≥ 3, we get a negative number which is an invalid number, and we need to manually fix it up by adding 7:
int result = (2 - N) % 7;
return result < 0 ? result + 7 : result;
(See http://en.wikipedia.org/wiki/Modulo_operator for how the sign of result is determined for different la...
powershell - extract file name and extension
I need to extract file name and extension from e.g. my.file.xlsx. I don't know the name of file or extension and there may be more dots in the name, so I need to search the string from the right and when I find first dot (or last from the left), extract the part on the right side and the part on the...
Redis - Connect to Remote Server
...will tell you if it is listening where you think it is. If not, restart it and be sure it restarts.
If it restarts and still is not listening where you expect, check your config file just to be sure.
After establishing it is listening where you expect it to, from a remote node which should have acc...
Detect if an input has text in it using CSS — on a page I am visiting and do not control?
... input has text in it via CSS? I've tried using the :empty pseudo-class, and I've tried using [value=""] , neither of which worked. I can't seem to find a single solution to this.
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Does JavaScript guarantee object property order?
... iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys:
// key order: 1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array or a Map object can be a better way to achieve this. Map shares some similarities with O...
Git keeps prompting me for a password
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I think you may have the wrong Git repository URL.
Open .git/config and find the [remote "origin"] section. Make sure you're using the SSH one:
ssh://git@github.com/username/repo.git
You can see the SSH URL in the main page of your repository if you click Clone or download and choose ssh.
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Redirecting to a certain route based on condition
I'm writing a small AngularJS app that has a login view and a main view, configured like so:
11 Answers
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MsDeploy is returning 403 forbidden
We had a Web Application working on an intranet and I'm trying to publish it to the internet using Visual Studio 2010. The destination server is running iis7 and the Web Management Service is running.
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Container-fluid vs .container
Just downloaded 3.1 and found in the docs...
8 Answers
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How can I avoid Java code in JSP files, using JSP 2?
I'm new to Java EE and I know that something like the following three lines
31 Answers
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