大约有 30,000 项符合查询结果(耗时:0.0895秒) [XML]
Design patterns or best practices for shell scripts [closed]
Does anyone know of any resources that talk about best practices or design patterns for shell scripts (sh, bash etc.)?
9 An...
Re<em>mem>ove an ele<em>mem>ent fro<em>mem> a Bash array
I need to re<em>mem>ove an ele<em>mem>ent fro<em>mem> an array in bash shell.
Generally I'd si<em>mem>ply do:
20 Answers
...
Static Initialization Blocks
As far as I understood the "static initialization block" is used to set values of static field if it cannot be done in one line.
...
How do you select a particular option in a SELECT ele<em>mem>ent in jQuery?
If you know the Index, Value or Text. also if you don't have an ID for a direct reference.
21 Answers
...
How to check if a value exists in an array in Ruby
I have a value 'Dog' and an array ['Cat', 'Dog', 'Bird'] .
26 Answers
26
...
Is there a JavaScript / jQuery DO<em>Mem> change listener?
Essentially I want to have a script execute when the contents of a DIV change. Since the scripts are separate (content script in the Chro<em>mem>e extension &a<em>mem>p; webpage script), I need a way si<em>mem>ply observe changes in DO<em>Mem> state. I could set up polling but that see<em>mem>s sloppy.
...
How to perfor<em>mem> ele<em>mem>ent-wise <em>mem>ultiplication of two lists?
I want to perfor<em>mem> an ele<em>mem>ent wise <em>mem>ultiplication, to <em>mem>ultiply two lists together by value in Python, like we can do it in <em>Mem>atlab.
...
How to use concerns in Rails 4
...oject generator now creates the directory "concerns" under controllers and <em>mem>odels. I have found so<em>mem>e explanations about how to use routing concerns, but nothing about controllers or <em>mem>odels.
...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
In PostgreSQL I have a table with a varchar colu<em>mem>n. The data is supposed to be integers and I need it in integer type in a query. So<em>mem>e values are e<em>mem>pty strings.
The following:
...
How to calculate <em>mem>d5 hash of a file using javascript
Is there a way to calculate the <em>Mem>D5 hash of a file before the upload to the server using Javascript?
12 Answers
...
