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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__":...
App Inventor 2 图片处理教程 - 缩放、裁剪、存储与转换 · App Inventor 2 中文网
...？
Q3: 图片保存到相册后手机相册看不到？
Q4: 如何获取图片的宽高？
总结
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概述
本文介绍App Inventor 2中常见的图片处理需求：
图片缩放（等比/固定尺寸）
图片存储到本地/相...
Mysql error 1452 - Cannot add or update a child row: a foreign key constraint fails
...s another, but it is failing for some reason. With my limited knowledge of MySQL, the only thing that could possibly be suspect is that there is a foreign key on a different table referencing the one I am trying to reference.
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MySQL: How to copy rows, but change a few fields?
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MySQL supports the TEMPORARY keyword to create temporary tables. Usage of CREATE TEMPORARY TABLE will automagically drop the table when the session (a serie of SQL queries) is finished. Dropping the table wouldn't be necessar...
How can I view all the git repositories on my machine?
...want ALL repositories on a drive, you should run the command once from the root of each drive.
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Pass ruby script file to rails console
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Here's the hack I'm using:
rr() {
rails_root="$(bundle exec rails runner "puts Rails.root")"
rp="$(relpath "$1" "$rails_root")"
bundle exec rails runner "eval(File.read '$rp')"
}
relpath() {python -c "import os.path; print os.path.relpath('$1','${2:-$PWD}')...
What would be a good docker webdev workflow?
... persistance indepent of your CMS container, you can use one container for MySQL and one container for your CMS. In such case, you can have your MySQL container still running and your can redeploy your CMS as often as you want independently.
For development - the another option is to map mysql data ...
使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网
...Google 商店以查找各种 Cardboard 查看器，或在网上搜索有关如何制作自己的 Cardboard 查看器的提示。您还可以使用 Cardboard 以外的查看器。
Expeditions
Expeditions 演示显示沉浸式 360 度全景图。Google 于 2014 年在 Google I...
mysql command for showing current configuration variables
Can not find a command that displays the current configuration of mysql from within the database.
3 Answers
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How to install the Raspberry Pi cross compiler on my Linux host machine?
...crosstool-ng/builds/arm-l
inux-gnueabihf-raspbian-linux/install --with-sysroot=/cbuild/slaves/oort61/crosstool-ng/builds/
arm-linux-gnueabihf-raspbian-linux/install/arm-linux-gnueabihf/libc --enable-languages=c,c++,fo
rtran --disable-multilib --with-arch=armv6 --with-tune=arm1176jz-s --with-fpu=v...