大约有 40,000 项符合查询结果（耗时：0.0418秒） [XML]
How can I create directories recursively? [duplicate]
...nal calls to the shell commands mkdir, chmod, and chown. Make sure to pass extra flags to recursively affect directories:
>>> import subprocess
>>> subprocess.check_output(['mkdir', '-p', 'first/second/third'])
# Equivalent to running 'mkdir -p first/second/third' in a shell (whi...
How to Convert Boolean to String
I have a Boolean variable which I want to convert to a string:
15 Answers
15
...
How to free memory in Java?
...emory you may want to consider.
For example, say you'd declared a List<String> at the beginning of a method which grew in size to be very large, but was only required until half-way through the method. You could at this point set the List reference to null to allow the garbage collector to p...
Java code To convert byte to Hexadecimal
I have an array of bytes.
I want each byte String of that array to be converted to its corresponding hexadecimal values.
19...
Add Text on Image using PIL
...55,255),font=font)
img.save('sample-out.jpg')
You might need to put some extra effort to calculate font size. In case you want to change it based on amount of text user has provided in TextArea.
To add text wrapping (Multiline thing) just take a rough idea of how many characters can come in one l...
Download multiple files with a single action
...
Why is a zip file the preferred solution? It creates an extra step for the user (unzipping).
– speedplane
Apr 13 '15 at 13:26
...
difference between fork and branch on github
... it to my PC effectively), al the branches are on my PC? But in one branch extra files have been added. So will my PC have those files or not?
– Jonathan.
Feb 15 '11 at 21:25
1
...
Converting Go struct to JSON
...ain
import (
"fmt"
"encoding/json"
)
type User struct {
Name string
}
func main() {
user := &User{Name: "Frank"}
b, err := json.Marshal(user)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(string(b))
}
Output:
{"Name":"Frank"}
...
How can I view array structure in JavaScript with alert()?
...gle Chrome now have a built-in JSON object, so you can just say alert(JSON.stringify(myArray)) without needing to use a jQuery plugin. This is not part of the Javascript language spec, so you shouldn't rely on the JSON object being present in all browsers, but for debugging purposes it's incredibly...
How to replace a character by a newline in Vim
...
Use \r instead of \n.
Substituting by \n inserts a null character into the text. To get a newline, use \r. When searching for a newline, you’d still use \n, however. This asymmetry is due to the fact that \n and \r do slightly different things:
\n matches an end of line (newline...