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Echarts透明背景及兼容问题 - 用户反馈 - 清泛IT社区，为创新赋能！
...：高德地图，启动画面等导致。
Echart是自己导入及实现的，背景透明没有效果，最终WebViewPlus拓展解决了。
方法一:
var option={
backgroundColor:'rgba(128, 128, 128, 0.1)' //rgba设置透明度0.1
}
方法二:
var option={
bac...
菜品识别的API有哪些？ - App应用开发 - 清泛IT社区，为创新赋能！
目前找到的有百度和阿里，做菜品识别api，文档地址分别如下：
百度云：https://cloud.baidu.com/doc/IMAGERECOGNITION/s/tk3bcxbb0
阿里云：https://help.aliyun.com/zh/viapi ... a2c4g.11186623.0.i0
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食物营养成分识别：https://www.tian...
mongo group query how to keep fields
...are accumulated/funneled/reduced) doesn't make so much sense even theoretically. However, sorting before hand is actually inefficient compared to sorting each group within themselves since sorting algorithms are more complex than O(n). I wish there would be better ways in MongoDB.
...
How do I correctly clone a JavaScript object?
... if you know its name, but I don't know of any way to discover it automatically.
Yet another snag in the quest for an elegant solution is the problem of setting up the prototype inheritance correctly. If your source object's prototype is Object, then simply creating a new general object with {} wil...
Python Nose Import Error
...stem path. The following fixed this:
source myvirtualenv/activate
pip install nose
which nosetests
/home/me/myvirtualenv/bin/nosetests
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How to create a zip archive of a directory in Python?
...e. The documentation tells you what functions are available, but doesn't really explain how you can use them to zip an entire directory. I think it's easiest to explain with some example code:
#!/usr/bin/env python
import os
import zipfile
def zipdir(path, ziph):
# ziph is zipfile handle
f...
Differences between lodash and underscore [closed]
...h run in Node, Ringo, Rhino, Narwhal, PhantomJS, and browsers), better overall performance and optimizations for large arrays/object iteration, and more flexibility with custom builds and template pre-compilation utilities.
Because Lo-Dash is updated more frequently than Underscore, a lodash unders...
How can I get a precise time, for example in milliseconds in Objective-C?
...
Actually this is precise enough for the general use case.
– logancautrell
Jul 2 '12 at 12:30
4
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Variable interpolation in the shell
I have a variable called filepath=/tmp/name .
3 Answers
3
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Calculating a directory's size using Python?
...
This walks all sub-directories; summing file sizes:
import os
def get_size(start_path = '.'):
total_size = 0
for dirpath, dirnames, filenames in os.walk(start_path):
for f in filenames:
fp = os.path.join(di...