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Deleting Files using Git/GitHub
... which are still 'tracked' with:
git ls-files --deleted
To delete files from a branch, you can do something like this:
git ls-files --deleted -z | xargs -0 git rm
From man git-rm:
Remove files from the index, or from the working tree and the index. git-rm will not remove a file from just y...
How can I read input from the console using the Scanner class in Java?
How could I read input from the console using the Scanner class? Something like this:
15 Answers
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How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...ay to achieve it is the setTimeout function, look that up to create a loop from which you alter the alpha over time.
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Difference between Property and Field in C# 3.0+
...en a Field and a Property in C#? but my question has a slight difference (from my point of view):
10 Answers
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CURL to access a page that requires a login from a different page
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My answer is a mod of some prior answers from @JoeMills and @user.
Get a cURL command to log into server:
Load login page for website and open Network pane of Developer Tools
In firefox, right click page, choose 'Inspect Element (Q)' and click on Network tab
Go...
Can enums be subclassed to add new elements?
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No, you can't do this in Java. Aside from anything else, d would then presumably be an instance of A (given the normal idea of "extends"), but users who only knew about A wouldn't know about it - which defeats the point of an enum being a well-known set of value...
Unmarshaling nested JSON objects
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This is an example of how to unmarshall JSON responses from the Safebrowsing v4 API sbserver proxy server: https://play.golang.org/p/4rGB5da0Lt
// this example shows how to unmarshall JSON requests from the Safebrowsing v4 sbserver
package main
import (
"fmt"
"log"
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How to parse Excel (XLS) file in Javascript/HTML5
...Old question, but I should note that the general task of parsing XLS files from javascript is tedious and difficult but not impossible.
I have basic parsers implemented in pure JS:
http://oss.sheetjs.com/js-xls/ (XLS files, what you wanted)
http://oss.sheetjs.com/js-xlsx/ (XLSX/XLSM/XLSB files)
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How to find all links / pages on a website
...website? I'd like to enter a URL and produce a directory tree of all links from that site?
5 Answers
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How to keep keys/values in same order as declared?
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From Python 3.6 onwards, the standard dict type maintains insertion order by default.
Defining
d = {'ac':33, 'gw':20, 'ap':102, 'za':321, 'bs':10}
will result in a dictionary with the keys in the order listed in the source c...