大约有 40,000 项符合查询结果（耗时：0.0255秒） [XML]
JavaScript object: access variable property by name as string [duplicate]
If I have a javascript object that looks like below
3 Answers
3
...
Bash syntax error: unexpected end of file
Forgive me for this is a very simple script in Bash. Here's the code:
19 Answers
19
...
Fastest way(s) to move the cursor on a terminal command line?
...bout whether you'd maybe like to put this horrendously long command into a script? :-)
Actually, I can go one better than that: "3f5B" to find the third occurrence of "5" then back up to the start of the word.
share
...
How to get nice formatting in the Rails console
... to get some pretty YAML output.
y ProductColor.all
Assuming you are in script/console
As jordanpg commented, this answer is outdated. For Rails 3.2+ you need to execute the following code before you can get the y method to work:
YAML::ENGINE.yamler = 'syck'
From ruby-docs
In older Ruby v...
How do I get the number of days between two dates in JavaScript?
How do I get the number of days between two dates in JavaScript? For example, given two dates in input boxes:
37 Answers
...
What is the Difference Between Mercurial and Git?
...l since it feels clean and elegant -- I was put off by the shell/Perl/Ruby scripts I got with Git. Try taking a peek at the git-instaweb.sh file if you want to know what I mean: it is a shell script which generates a Ruby script, which I think runs a webserver. The shell script generates another she...
Error handling in Bash
...
set -e
as a rudimentary error mechanism. It will immediately stop your script if a simple command fails. I think this should have been the default behavior: since such errors almost always signify something unexpected, it is not really 'sane' to keep executing the following commands.
...
Can't import my own modules in Python
... like you're trying to import SomeObject from the myapp.py and TestCase.py scripts. From myapp.py, do
import SomeObject
since it is in the same folder. For TestCase.py, do
from ..myapp import SomeObject
However, this will work only if you are importing TestCase from the package. If you want to...
pip installing in global site-packages instead of virtualenv
...l unsure as to what caused it.
Try checking your bin/pip and bin/activate scripts. In bin/pip, look at the shebang. Is it correct? If not, correct it. Then on line ~42 in your bin/activate, check to see if your virtualenv path is right. It'll look something like this
VIRTUAL_ENV="/Users/me/path/to...
Get element inside element by class and ID - JavaScript
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:
...