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I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
... the history is not rewritten, you maintain a clear record of the mistake, and other repos will accept the push.
Here's a good way to erase: git rebase -i <commit>^
That takes you to the commit just before the one you want to remove. The interactive editor will show you a list of all the comm...
Diff Algorithm? [closed]
... been looking like crazy for an explanation of a diff algorithm that works and is efficient.
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Rails DB Migration - How To Drop a Table?
...ation to already have the code you want. You can create an empty migration and then populate it with the code you need.
You can find information about how to accomplish different tasks in a migration here:
http://api.rubyonrails.org/classes/ActiveRecord/Migration.html
More specifically, you can s...
Why declare unicode by string in python?
I'm still learning python and I have a doubt:
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c
...characters. Better to determine or detect the encoding of the input string and decode it to unicode first, then encode as UTF-8, for example: str.decode('cp1252').encode('utf-8')
– Ben Hoyt
Sep 17 '12 at 23:15
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How do I implement a callback in PHP?
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The manual uses the terms "callback" and "callable" interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elemen...
Interfacing with structs and anonymous unions with c2hs
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
vim line numbers - how to have them on by default?
...f the .vimrc file is not in your home directory create one with
vim .vimrc and add the commands you want at open.
Here's a site that explains the vimrc and how to use it.
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How to make an Android device vibrate?
I wrote an Android application. Now, I want to make the device vibrate when a certain action occurs. How can I do this?
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Display current date and time without punctuation
For example, I want to display current date and time as the following format:
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