大约有 44,000 项符合查询结果(耗时:0.0671秒) [XML]
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
I have a data frame df and I use several columns from it to groupby :
7 Answers
7
...
How do I record audio on iPhone with AVAudioRecorder?
...ant to record audio in my application, but I want to use AVAudioRecorder and not the older way of recording like the example SpeakHere shows. There are not any examples of how to best do this in the iPhone Dev Center and only reference to the classes. I am a newbie at iPhone development, so I a...
How do you run your own code alongside Tkinter's event loop?
...his and the external code, too.
pass
root = tk.Tk()
root.wm_title('Temp Converter')
app = Application(master=root)
w = 200 # width for the Tk root
h = 125 # height for the Tk root
# get display screen width and height
ws = root.winfo_screenwidth() # width of the screen
hs = root.winfo_screenhe...
How to process POST data in Node.js?
...('end', () => {
console.log('No more data');
})
}).listen(8080)
Converting Buffers to Strings
If you try this you will notice the chunks are buffers. If you are not dealing with binary data and need to work with strings instead I suggest use request.setEncoding method which causes the st...
How to split one string into multiple strings separated by at least one space in bash shell?
...ividual elements directly (it starts with 0):
echo ${stringarray[0]}
or convert back to string in order to loop:
for i in "${stringarray[@]}"
do
:
# do whatever on $i
done
Of course looping through the string directly was answered before, but that answer had the the disadvantage to not kee...
How can I default a parameter to Guid.Empty in C#?
...sage not tell me this, the complier could check for the case of Guid.Empty and give a more helpfull message.
– Ian Ringrose
Feb 25 '11 at 13:57
4
...
What is the list of valid @SuppressWarnings warning names in Java?
...oncat when a char array is used in a string concatenation without being converted explicitly to a string
conditionAssign possible accidental boolean assignment
constructorName method with
constructor name
dep-ann missing @Deprecated
annotation
deprecation usage of dep...
How to Deep clone in javascript
...
If i remember correctly this also converts dates into strings.
– Peter
Jul 11 '17 at 6:48
4
...
How to replace plain URLs with links?
...wanted emails to turn into mailto: links. EXAMPLE: www.yahoo.com would be converted to www.yahoo.com
Here's the code I ended up with (combination of code from this page and other stuff I found online, and other stuff I did on my own):
function Linkify(inputText) {
//URLs starting with http://...
How to make unicode string with python3
...
This how I solved my problem to convert chars like \uFE0F, \u000A, etc. And also emojis that encoded with 16 bytes.
example = 'raw vegan chocolate cocoa pie w chocolate & vanilla cream\\uD83D\\uDE0D\\uD83D\\uDE0D\\u2764\\uFE0F Present Moment Ca...
