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App Inventor 2 连接方式：AI伴侣、模拟器、USB · App Inventor 2 中文网
...app进行测试。相当于用你手机扫了一次二维码，只是这里变成USB自动帮你做了这件事。和第一种方式本质上是一样的，流程变复杂了些，需要一定动手能力。好处是可以利用手机助手，将手机投屏到电脑上，用于一屏展示效果（...
Determine the path of the executing BASH script [duplicate]
...d-of-support is 2018, quite a few more years to go), and some even run old AIX and HP-UX.
– vladr
Nov 18 '12 at 14:57
3
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【phpcms v9】PC站和手机站 全静态手机移动站方法 - 更多技术 - 清泛网 - ...
...法，后台站点设置域名就写www.XX.com；新建一个移动站，把phpcms v9全新的网站文件放到移动站下，移动站数据连接和PC的一样，\caches\configs\system.php设置稍微改一下，把原来PC站的域名改成移动站的域名，附件的路径除外，仍用PC站...
Sum a list of numbers in Python
...ges we want are the averages of each pair taken from the two lists. We use zip to take pairs from two lists.
I assume you want to see decimals in the result, even though your input values are integers. By default, Python does integer division: it discards the remainder. To divide things through all...
How to send a “multipart/form-data” with requests in python?
...pprint(response.json()['headers'])
{'Accept': '*/*',
'Accept-Encoding': 'gzip, deflate',
'Connection': 'close',
'Content-Length': '141',
'Content-Type': 'multipart/form-data; '
'boundary=c7cbfdd911b4e720f1dd8f479c50bc7f',
'Host': 'httpbin.org',
'User-Agent': 'python-requests/2...
combinations between two lists?
...list2. In python:
import itertools
list1=['a','b','c']
list2=[1,2]
[list(zip(x,list2)) for x in itertools.permutations(list1,len(list2))]
Returns
[[('a', 1), ('b', 2)], [('a', 1), ('c', 2)], [('b', 1), ('a', 2)], [('b', 1), ('c', 2)], [('c', 1), ('a', 2)], [('c', 1), ('b', 2)]]
...
比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...来源于《CitizenKane》里 CharlesFosterKane虚构的房屋。
盖茨把岸边小山挖去一半，前临水、后倚山，堪称聚拢财气、卧虎藏龙的风水宝地。占地当然极为庞大，66000平方英亩，相当于几十个足球场。
据说，土木工程干了整整七年，...
Sort a list from another list IDs
... yield return t;
}
}
}
which will work if source does not zip exactly with order.
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List of tables, db schema, dump etc using the Python sqlite3 API
...e FROM sqlite_master WHERE type='table';").fetchall()
table_names = sorted(zip(*result)[0])
print "\ntables are:"+newline_indent+newline_indent.join(table_names)
for table_name in table_names:
result = cur.execute("PRAGMA table_info('%s')" % table_name).fetchall()
column_names = zip(*result...
App Inventor 2 文本代码块 · App Inventor 2 中文网
...文本中含有非数字内容，则赋值给数字后，数字变量自动变成文本变量，后续的数字计算会报错！
案例：数字转文本
App Inventor 2 是弱语言类型，同理数字也能直接赋值给文本变量：
切换 目...