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What is the difference between loose coupling and tight coupling in the object oriented paradigm?
... output in a CSV file rather than JSON etc., or if you want to switch from MySQL to PostGreSQL you should be able to make those changes extremely easily in your code, without having to rewrite the entire class etc. In other words, you do not want to tightly couple your application with a specific da...
How to serve static files in Flask
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from flask import Flask, request, send_from_directory
# set the project root directory as the static folder, you can set others.
app = Flask(__name__, static_url_path='')
@app.route('/js/<path:path>')
def send_js(path):
return send_from_directory('js', path)
if __name__ == "__main__":...
How to amend several commits in Git to change author
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To rebase all commits including the root use: git rebase -i --root … instead of passing a SHA.
– gfullam
Apr 15 '19 at 15:14
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创业者只需要一种素质：成为某个领域的意见领袖 - 资讯 - 清泛网 - 专注C/C...
...传播
说了这么多推广的重要，那么作为普通创业者应该如何去做？我总不能像老罗一样包下一个剧场去做一个发布会吧。
普通人有普通人的方法，那就是一定要成为“意见领袖”，先看看百度百科上对意见领袖是这么定义的...
Spring Boot not serving static content
...TA-INF/resources/,
* /resources/, /static/, /public/] plus context:/ (the root of the servlet context).
*/
private String[] staticLocations = RESOURCE_LOCATIONS;
As mentioned before, the request URL will be resolved relative to these locations. Thus src/main/resources/static/index.html will be se...
Is there a short cut for going back to the beginning of a file by vi editor?
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edited Mar 13 at 12:39
ROOT
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answered Jul 29 '14 at 9:53
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OS X Terminal Colors [closed]
...oloring = \[\e[0m\]
I always add a slightly modified color-scheme in the root's .bash_profile to make the username red, so I always see clearly if I'm logged in as root (handy to avoid mistakes if I have many terminal windows open).
In /root/.bash_profile:
PS1='\[\e[0;31m\]\u\[\e[0m\]@\[\e[0;32m...
How to find a deleted file in the project commit history?
...ension, for that matter):
Prelim.: Avoid confusion by stepping to the git root
A nontrivial project may have multiple directories with similar or identical names.
> cd <project-root>
Find the full path
git log --diff-filter=D --summary | grep delete | grep MyFile
delete mode 100...
What is Virtual DOM?
...des in the Virtual DOM.
ReactElements can be rendered into HTML DOM
var root = React.createElement('div');
ReactDOM.render(root, document.getElementById('example'));
JSX compiles HTML tags into ReactElements
var root = <div/>;
ReactDOM.render(root, document.getElementById('example'));
R...
Redirecting to a relative URL in JavaScript
... I found using window.location.href = '../' redirected to the root of the site and not "one level up" as expected. When the current page is "www.example.com/customers/list" I needed to use './'. I guess this is because "list" is not considered as a directory level.
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