大约有 4,761 项符合查询结果（耗时：0.0132秒） [XML]
Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
14
...
How to print a dictionary's key?
I would like to print a specific Python dictionary key:
20 Answers
20
...
Getting the max value of an enum
How do you get the max value of an enum?
11 Answers
11
...
How to use 'cp' command to exclude a specific directory?
I want to copy all files in a directory except some files in a specific sub-directory.
I have noticed that cp command didn't have the --exclude option.
So, how can I achieve this?
...
How to replace spaces in file names using a bash script
Can anyone recommend a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
...
Why doesn't this code simply print letters A to Z?
This snippet gives the following output (newlines are replaced by spaces):
13 Answers
...
PostgreSQL database default location on Linux
What is the default directory where PostgreSQL will keep all databases on Linux?
8 Answers
...
make an html svg object also a clickable link
I have an SVG object in my HTML page and am wrapping it in an anchor so when the svg image is clicked it takes the user to the anchor link.
...
What is the --save option for npm install?
...
Update npm 5:
As of npm 5.0.0, installed modules are added as a dependency by default, so the --save option is no longer needed. The other save options still exist and are listed in the documentation for npm install.
Original answer:
Before version 5, NPM simply installed a package under node_mo...
var self = this?
...ethods as callbacks for event handlers changes the scope of this from "My instance" to "Whatever just called the callback" . So my code looks like this
...