大约有 44,000 项符合查询结果(耗时:0.0493秒) [XML]

https://stackoverflow.com/ques... 

Removing index column in pandas when reading a csv

I have the following code which imports a CSV file. There are 3 columns and I want to set the first two of them to variables. When I set the second column to the variable "efficiency" the index column is also tacked on. How can I get rid of the index column? ...
https://stackoverflow.com/ques... 

Appropriate datatype for holding percent values?

What is the best datatype for holding percent values ranging from 0.00% to 100.00%? 5 Answers ...
https://stackoverflow.com/ques... 

Downloading all maven dependencies to a directory NOT in repository?

...my project to maven because I needed to use a library that was distributed in binary form over maven only, but after banging my head against the wall on it for far too long I've decided to stop hurting myself and just use Ant. I'd like to just have maven download the jar and all of its transitive d...
https://stackoverflow.com/ques... 

What is default color for text in textview?

I set the color to red , and after that I want to set the color again back to default, but I do not know what is default color, does anyone knows ? ...
https://stackoverflow.com/ques... 

Deleting all records in a database table

How do I delete all records in one of my database tables in a Ruby on Rails app? 7 Answers ...
https://stackoverflow.com/ques... 

Why doesn't logcat show anything in my Android?

Why doesn't logcat show anything in my Android (while developing apps with Eclipse)? 27 Answers ...
https://stackoverflow.com/ques... 

Structs versus classes

I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b . ...
https://stackoverflow.com/ques... 

Is there an equivalent of CSS max-width that works in HTML emails?

I'm trying to create an HTML email that will display properly in all widely used email clients. I'm wrapping the whole email in a table, and I'd like it to have a width that is up to 98% of the available width, but no greater than 800 pixels. Like this: <table style="width:98%; max-width:800px...
https://stackoverflow.com/ques... 

How to implement a secure REST API with node.js

I start planning a REST API with node.js ,express and mongodb. The API provides data for a website (public and private area) and maybe later a mobile app. The frontend will be developed with AngularJS. ...
https://stackoverflow.com/ques... 

In jQuery, how do I select an element by its name attribute?

I have 3 radio buttons in my web page, like below: 18 Answers 18 ...