大约有 5,240 项符合查询结果（耗时：0.0104秒） [XML]
process.env.NODE_ENV is undefined
I'm trying to follow a tutorial on NodeJs. I don't think I missed anything but whenever I call the process.env.NODE_ENV the only value I get back is undefined. According to my research the default value should be 'development'. How is this value dynamically set and where is it set initially?
...
How to run `rails generate scaffold` when the model already exists?
...
TL;DR: rails g scaffold_controller <name>
Even though you already have a model, you can still generate the necessary controller and migration files by using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
c...
How do I remove  from the beginning of a file?
I have a CSS file that looks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it: 
...
AWK: Access captured group from line pattern
If I have an awk command
6 Answers
6
...
How do I clear/delete the current line in terminal?
If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line?
1...
Getting started with F# [closed]
How do I go about getting into F# programming?
3 Answers
3
...
Unmarshaling nested JSON objects
There are a few questions on the topic but none of them seem to cover my case, thus I'm creating a new one.
8 Answe...
Underlining text in UIButton
Can anyone suggest how to underline the title of a UIButton ? I have a UIButton of Custom type, and I want the Title to be underlined, but the Interface Builder does not provide any option to do so.
...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
769B2A24 mov edi, edi
769B2A26 push ebp
769B2A27 mov ebp, esp
769B2A29 push 2 ; dwCoInit
769B2A2B push [ebp+8] ; pvReserved
769B2A2E call _CoInitializeEx@8 ; CoIn...
Override console.log(); for production [duplicate]
I'm fairly new to Javascript development so this might be a real newbie question.
13 Answers
...