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Does Git publicly expose my e-mail address?
...filter-branch --env-filter '
an="$GIT_AUTHOR_NAME"
am="$GIT_AUTHOR_EMAIL"
cn="$GIT_COMMITTER_NAME"
cm="$GIT_COMMITTER_EMAIL"
if [ "$GIT_COMMITTER_EMAIL" = "your@email.to.match" ]
then
cn="Your New Committer Name"
cm="Your New Committer Email"
fi
if [ "$GIT_AUTHOR_EMAIL" = "your@email.to.ma...
MQTT客户端内置版使用指导 · App Inventor 2 中文网
...手机界面显示的完整独立主题；例如：
python mqtt-peer.py fun123/component-case/你的客户端ID/sensor
手机使用默认TLS8886配置。电脑显示“已订阅”后输入 text 电脑温度23.5 或 hex A5 01 02 DC 05，手机先订阅同一主题，即可看到真实消息；手...
What is the difference between location list and quickfix list in vim
...does :lne do?
Now, do :vim bar % in bar.txt to create a quickfix list.
Do :cn a few times to jump to a few bar in bar.txt.
Now, focus on foo.txt, what does :cn do?
The location you jump to with :lne depends on the window you are in but the error you jump to with :cn is always the same (until you r...
App Inventor 2 API通信教程 - Web组件调用RESTful API · App Inventor 2 中文网
...athermap.org/data/2.5/weather?q=", 城市, "&appid=", API密钥, "&lang=zh_cn&units=metric")
Web客户端1.Get(url)
}
when Web客户端1.GotText(网址, 响应码, 响应类型, 响应内容) {
global 数据 = Web客户端1.JsonTextDecode(响应内容)
global 温度 = dictLookupPath(数据, l...
How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
...were to get an ISO 8601 string like: 2010-05-08T23:41:54.000Z you'd have a fun time parsing that with strptime, especially if you didn't know up front whether or not the timezone was included. pyiso8601 has a couple of issues (check their tracker) that I ran into during my usage and it hasn't been u...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this:
...
MaterialDialog 对话框增强扩展 · App Inventor 2 中文网
...屉菜单、日期/时间选择器、列表对话框等新功能。
.aix 拓展下载：
MaterialDialog_v3.aix
.aia 示例项目下载：
MaterialDialog_dialogs.aia
版权信息
本文档翻译整理自 MIT App Inventor 社区原帖，版权归原作者所有。...
Why are there two kinds of functions in Elixir?
I'm learning Elixir and wonder why it has two types of function definitions:
8 Answers
...
How do I compute derivative using Numpy?
How do I calculate the derivative of a function, for example
8 Answers
8
...
How to sum a variable by group
...
Using aggregate:
aggregate(x$Frequency, by=list(Category=x$Category), FUN=sum)
Category x
1 First 30
2 Second 5
3 Third 34
In the example above, multiple dimensions can be specified in the list. Multiple aggregated metrics of the same data type can be incorporated via cbind:
ag...