大约有 30,000 项符合查询结果（耗时：0.0494秒） [XML]
Maximum and Minimum values for ints
I am looking for minimum and maximum values for integers in python. For eg., in Java, we have Integer.MIN_VALUE and Integer.MAX_VALUE . Is there something like this in python?
...
How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
...
From the python 2 manual:
CPython implementation detail: Objects of different types except numbers are ordered by their type names; objects of the same types that don’t support proper comparison are ordered by their address.
W...
How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
7 Answers
...
Python Linked List
What's the easiest way to use a linked list in python? In scheme, a linked list is defined simply by '(1 2 3 4 5) . Python's lists, [1, 2, 3, 4, 5] , and tuples, (1, 2, 3, 4, 5) , are not, in fact, linked lists, and linked lists have some nice properties such as constant-time concatenation, and b...
How to redirect output with subprocess in Python?
...
UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.system(my_cmd)
If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
...
How to set layout_weight attribute dynamically from code?
...
If you already define your view in your layout(xml) file, only want to change the weight programmatically, this way is better
LinearLayout.LayoutParams params = (LinearLayout.LayoutParams)
mButton.getLayoutParams();
params.weight = 1.0f;
mButton.setLayoutParams(params...
How to have comments in IntelliSense for function in Visual Studio?
...
What you need is xml comments - basically, they follow this syntax (as vaguely described by Solmead):
C#
///<summary>
///This is a description of my function.
///</summary>
string myFunction() {
return "blah";
}
VB
'''&l...
pip issue installing almost any library
...ecify the pypi host as trusted. Example:
pip install --trusted-host pypi.python.org pytest-xdist
pip install --trusted-host pypi.python.org --upgrade pip
This solved the following error:
Could not fetch URL https://pypi.python.org/simple/pytest-cov/: There was a problem confirming the ssl ce...
How do you read from stdin?
... they all require the input to be taken from stdin . How do I get that in Python?
22 Answers
...
Reimport a module in python while interactive
...
This should work:
reload(my.module)
From the Python docs
Reload a previously imported module. The argument must be a module object, so it must have been successfully imported before. This is useful if you have edited the module source file using an external editor a...