大约有 11,000 项符合查询结果(耗时:0.0395秒) [XML]
PHP Composer update “cannot allocate memory” error (using Laravel 4)
...ap partition and try. Swap partition is the portion of the hard drive that linux uses as virtual memory when it runs out of physical memory. It's similar to the windows swap file only instead of using an actual file, linux uses a partition on the hard drive instead.
Hope this helps
...
How can a Java program get its own process ID?
...ID. It's short, and probably works in every implementation in wide use.
On linux+windows it returns a value like 12345@hostname (12345 being the process id). Beware though that according to the docs, there are no guarantees about this value:
Returns the name representing the running Java virtual ma...
Is there a generator version of `string.split()` in Python?
..., 'test']
edit: I have just confirmed that this takes constant memory in python 3.2.1, assuming my testing methodology was correct. I created a string of very large size (1GB or so), then iterated through the iterable with a for loop (NOT a list comprehension, which would have generated extra memo...
UnicodeDecodeError: 'charmap' codec can't decode byte X in position Y: character maps to
I'm trying to get a Python 3 program to do some manipulations with a text file filled with information. However, when trying to read the file I get the following error:
...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...but for basic data interchange, JSON is much more compact and direct. As a Python developer, there is no impedance mismatch between the simple data types in JSON and in Python. So if I was writing a server-side handler for an AJAX query that was asking about snow conditions for a particular Ski reso...
When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...was Postgres' uuid_generate_v1mc() function. I've since used the following python equivalent:
from os import urandom
from uuid import uuid1
_int_from_bytes = int.from_bytes # py3 only
def uuid1mc():
# NOTE: The constant here is required by the UUIDv1 spec...
return uuid1(_int_from_bytes(u...
Display help message with python argparse when script is called without any arguments
...
@NunoAndré thanks - updated the answer. Feels more pythonic indeed.
– Ievgen Popovych
Jul 23 '18 at 14:40
...
Best practices when running Node.js with port 80 (Ubuntu / Linode) [closed]
I am setting up my first Node.js server on a cloud Linux node and I am fairly new to the details of Linux admin . (BTW I am not trying to use Apache at the same time.)
...
Why can't non-default arguments follow default arguments?
...is you", b="True"):
... print a,b,x,y
...
Reference O'Reilly - Core-Python
Where as this function make use of the default arguments syntactically correct for above function calls.
Keyword arguments calling prove useful for being a...
adding directory to sys.path /PYTHONPATH
...
This is working as documented. Any paths specified in PYTHONPATH are documented as normally coming after the working directory but before the standard interpreter-supplied paths. sys.path.append() appends to the existing path. See here and here. If you want a particular direc...
