大约有 47,000 项符合查询结果（耗时：0.0262秒） [XML]
How to set Python's default version to 3.x on OS X?
...n use command python, which will leaving the alias untouched, and works in all shells.
If you launch interpreters more often (I do), you can always create more aliases to add as well, i.e.:
alias 2='python2'
alias 3='python3'
Tip: For scripts, instead of using a shebang like:
#!/usr/bin/env p...
Dynamic instantiation from string name of a class in dynamically imported module?
...
answered Jan 27 '11 at 19:51
Sven MarnachSven Marnach
446k100100 gold badges833833 silver badges753753 bronze badges
...
“ImportError: No module named” when trying to run Python script
...the notebook to operate from in your ipython_notebook_config.py file (typically using the c.NotebookManager.notebook_dir setting).
The solution is to provide the python interpreter with the path-to-your-module. The simplest solution is to append that path to your sys.path list. In your notebook, fi...
CPU Privilege Rings: Why rings 1 and 2 aren't used?
...
114
As a hobbyist operating system writer, I found that because paging (a major part of the modern...
What is the fastest integer division supporting division by zero no matter what the result is?
...x, int y)
{
y += y == 0;
return x/y;
}
The compiler basically recognizes that it can use a condition flag of the test in the addition.
As per request the assembly:
.globl f
.type f, @function
f:
pushl %ebp
xorl %eax, %eax
movl %esp, %ebp
movl 12(%...
How do I abort the execution of a Python script? [duplicate]
...xit'
– Roel Verhoeven
Jul 12 '18 at 11:03
...
Run function from the command line
...ral answer. I have a script defined multiple customer functions, and only call one depending on my need
– xappppp
Apr 15 '18 at 4:16
1
...
`date` command on OS X doesn't have ISO 8601 `-I` option?
... one of the following formats:
date -u +"%Y-%m-%dT%H:%M:%SZ"
Output:
2011-08-27T23:22:37Z
or
date +%Y-%m-%dT%H:%M:%S%z
Output:
2011-08-27T15:22:37-0800
share
|
improve this answer
...
What Automatic Resource Management alternatives exist for Scala?
...
For now Scala 2.13 has finally supported: try with resources by using Using :), Example:
val lines: Try[Seq[String]] =
Using(new BufferedReader(new FileReader("file.txt"))) { reader =>
Iterator.unfold(())(_ => Option(reader.readLine()).ma...
How to compare type of an object in Python?
Basically I want to do this:
14 Answers
14
...