大约有 44,000 项符合查询结果(耗时:0.0512秒) [XML]
Get key by value in dictionary
I made a function which will look up ages in a Dictionary and show the matching name:
34 Answers
...
What is the difference in maven between dependency and plugin tags in pom xml?
I'm new to the maven tool, I have made a project with Spring and Hibernate and they are configured in pom.xml as plugins, but JUnit is tagged under dependency. My question is what is the logic behind one as a plugin and one as dependency ?
...
Which is more preferable to use: lambda functions or nested functions ('def')?
...
If you need to assign the lambda to a name, use a def instead. defs are just syntactic sugar for an assignment, so the result is the same, and they are a lot more flexible and readable.
lambdas can be used for use once, throw away functions which won't have a name.
However, th...
Loop through an array of strings in Bash?
I want to write a script that loops through 15 strings (array possibly?) Is that possible?
19 Answers
...
How do I ignore files in a directory in Git?
What is the proper syntax for the .gitignore file to ignore files in a directory?
10 Answers
...
Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
...
Understanding generators in Python
I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round.
...
Learning Python from Ruby; Differences and Similarities
...
Ruby has blocks; Python does not.
Python has functions; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods can't be directly passed. Instead, you have to wrap them in Proc's to pass them.
Ruby and Python b...
Split string into an array in Bash
In a Bash script I would like to split a line into pieces and store them in an array.
22 Answers
...
What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
...
