大约有 9,000 项符合查询结果(耗时:0.0292秒) [XML]

https://stackoverflow.com/ques... 

How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af

...ill be thrown. I have seen this in the graphs generated from the analysis python script - for Android System Applications, not just my own monitored apps. Collect enough logs and you will eventually see it. Bottom line: The issue cannot be avoided - you will encounter it if your app runs in the ...
https://stackoverflow.com/ques... 

How to override and extend basic Django admin templates?

..., and is available in PyPi (pip/easy_install) as django-apptemplates: pypi.python.org/pypi/django-apptemplates – Romløk Oct 9 '12 at 9:19 9 ...
https://stackoverflow.com/ques... 

Pass all variables from one shell script to another?

...variables can be passed to any process you execute, for example if we used python instead it might look like: a.sh: #!/bin/sh MESSAGE="hello" export MESSAGE ./b.py b.py: #!/usr/bin/python import os print 'The message is:', os.environ['MESSAGE'] Sourcing: Instead we could source like this:...
https://stackoverflow.com/ques... 

How can I default a parameter to Guid.Empty in C#?

...od is called in PHP; but only creates one object for the entire program in Python. Really, I consider this to be one of the very few design flaws of Python. I'm somewhat glad C# (and VB.Net) avoided this issue by simply disallowing new objects in default parameters... though there are times where ...
https://stackoverflow.com/ques... 

What's the best manner of implementing a social activity stream? [closed]

...for you. Have a look at getstream.io There are clients available for Node, Python, Rails and PHP. In addition have a look at this high scalability post were we explain some of the design decisions involved: http://highscalability.com/blog/2013/10/28/design-decisions-for-scaling-your-high-traffic-fe...
https://stackoverflow.com/ques... 

What is the best django model field to use to represent a US dollar amount?

...emodel.some_currency }} Output: $123.00 It has a powerful backend via python-money and it's essentially a drop-in replacement for standard decimal fields. share | improve this answer |...
https://stackoverflow.com/ques... 

Can we write our own iterator in Java?

...rray of Strings String[] languages = new String[]{"C", "C++", "Java", "Python", "Scala"}; // create your list and hold the values using the same list implementation. SOList<String> languagesList = new SOList<String>(languages); System.out.println(""); // Since our c...
https://stackoverflow.com/ques... 

get list from pandas dataframe column

...u pull them out, which you can then call x.tolist() on to turn them into a Python list. Alternatively you cast it with list(x). import pandas as pd data_dict = {'one': pd.Series([1, 2, 3], index=['a', 'b', 'c']), 'two': pd.Series([1, 2, 3, 4], index=['a', 'b', 'c', 'd'])} df = pd.Data...
https://stackoverflow.com/ques... 

add a string prefix to each value in a string column using Pandas

...lso yields the desired output: col 0 stra 1 str0 If you are using Python 3.6+, you can also use f-strings: df['col'] = df['col'].apply(lambda x: f"str{x}") yielding the same output. The f-string version is almost as fast as @RomanPekar's solution (python 3.6.4): df = pd.DataFrame({'col...
https://stackoverflow.com/ques... 

What's the recommended approach to resetting migration history using Django South?

... are taking too long, this worked for me. rm <app-dir>/migrations/* python manage.py schemamigration <app-name> --initial python manage.py migrate <app-name> 0001 --fake --delete-ghost-migrations Don't forget to manually restore any dependencies on other apps by adding lines li...