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Pythonic way of checking if a condition holds for any element of a list
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191
any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True i...
Using custom std::set comparator
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162
You are using a function where as you should use a functor (a class that overloads the () oper...
Why a function checking if a string is empty always returns true? [closed]
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15 Answers
15
Active
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Efficient way to apply multiple filters to pandas DataFrame or Series
...numpy) allow for boolean indexing, which will be much more efficient:
In [11]: df.loc[df['col1'] >= 1, 'col1']
Out[11]:
1 1
2 2
Name: col1
In [12]: df[df['col1'] >= 1]
Out[12]:
col1 col2
1 1 11
2 2 12
In [13]: df[(df['col1'] >= 1) & (df['col1'] <=1 )]
Out...
Using helpers in model: how do I include helper dependencies?
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134
Just change the first line as follows :
include ActionView::Helpers
that will make it works...
POST data in JSON format
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170
Not sure if you want jQuery.
var form;
form.onsubmit = function (e) {
// stop the regular ...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
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App Inventor 2 接入百度网盘API：文件下载
1、申请应用
2、用户登录认证，拿到access_token，后续请求必备参数 【使用Web浏览框】
3、获取文件列表，返回JSON，拿出想要的文件的fsid 【使用Web客户端】
4...
How to handle more than 10 parameters in shell
I am using bash shell on linux and want to use more than 10 parameters in shell script
2 Answers
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Print commit message of a given commit in git
... "plumbing", but it'll do exactly what you want:
$ git log --format=%B -n 1 <commit>
If you absolutely need a "plumbing" command (not sure why that's a requirement), you can use rev-list:
$ git rev-list --format=%B --max-count=1 <commit>
Although rev-list will also print out the co...