大约有 44,941 项符合查询结果（耗时：0.0486秒） [XML]
How to delete an item in a list if it exists?
I am getting new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with
...
How to debug a bash script? [closed]
... the bottom of the answer.)
Sometimes, you need to control the debugging within the script. In that case, as Cheeto reminded me, you can use:
set -x
This turns debugging on. You can then turn it off again with:
set +x
(You can find out the current tracing state by analyzing $-, the current ...
Play sound on button click android
...get a button to play a sound from raw when click? I just created a button with id button1 , but whatever code I write, all is wrong.
...
What's the meaning of exception code “EXC_I386_GPFLT”?
...s way to tell you that "you did something that you are not allowed to do". It typically DOESN'T mean that you access out of memory bounds, but it could be that your code is going out of bounds and causing bad code/data to be used in a way that makes for an protection violation of some sort.
Unfort...
What does the comma operator , do?
...
then if I write i = (5,4,3,2,1,0) then ideally it should return 0, correct? but i is being assigned a value of 5? Can you please help me understand where am I going wrong?
– Jayesh
Nov 13 '10 at 6:5...
How can I update NodeJS and NPM to the next versions?
I just installed Node.js and npm (for additional modules).
47 Answers
47
...
Understanding REST: Verbs, error codes, and authentication
...an be helpful towards your RESTful venture.
Point 1: Am I understanding it right?
You understood right. That is a correct representation of a RESTful architecture. You may find the following matrix from Wikipedia very helpful in defining your nouns and verbs:
When dealing with a Collection UR...
One line ftp server in python
Is it possible to have a one line command in python to do a simple ftp server? I'd like to be able to do this as quick and temporary way to transfer files to a linux box without having to install a ftp server. Preferably a way using built in python libraries so there's nothing extra to install.
...
$.focus() not working
...
Actually the example you gave for focusing on this site works just fine, as long as you're not focused in the console. The reason that's not working is simply because it's not stealing focus from the dev console. If you run the following code in your console and then quickly c...
In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
In C#, I want to initialize a string value with an empty string.
30 Answers
30
...