大约有 16,000 项符合查询结果（耗时：0.0203秒） [XML]
Java Byte Array to String to Byte Array
...yte[] to string, string representation of byte[] to byte[] conversion... I convert my byte[] to a string to send, I then expect my web service (written in python) to echo the data straight back to the client.
...
How do I create a variable number of variables?
...ny object, you can still use setattr() inside your current module:
import sys
current_module = module = sys.modules[__name__] # i.e the "file" where your code is written
setattr(current_module, 'variable_name', 15) # 15 is the value you assign to the var
print(variable_name) # >>> 15, c...
Does Python's time.time() return the local or UTC timestamp?
...alue at the same moment.
Here is some sample output I ran on my computer, converting it to a string as well.
Python 2.7.3 (default, Apr 24 2012, 00:00:54)
[GCC 4.7.0 20120414 (prerelease)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import time
&g...
Apache Commons equals/hashCode builder [closed]
...yd The Guava-way not only creates an array object for the varargs, it also converts ALL parameters to objects. So when you pass 10 int values to it then you will end up with 10 Integer objects and an array object. The commons-lang solution only creates a single object, no matter how many values you ...
Checking a Python module version at runtime
...ersion__ the following is ugly but works:
#!/usr/bin/env python3.6
import sys
import os
import subprocess
import re
sp = subprocess.run(["pip3", "show", "numpy"], stdout=subprocess.PIPE)
ver = sp.stdout.decode('utf-8').strip().split('\n')[1]
res = re.search('^Version:\ (.*)$', ver)
print(res.group...
How can I check if an argument is defined when starting/calling a batch file?
...
A more-advanced example:
⍟ unlimited arguments.
⍟ exist on file system (either file or directory?) or a generic string.
⍟ specify if is a file
⍟ specify is a directory
⍟ no extensions, would work in legacy scripts!
⍟ minimal code ☺
@echo off
:loop
::--------------------...
Get name of current class?
...
import sys
def class_meta(frame):
class_context = '__module__' in frame.f_locals
assert class_context, 'Frame is not a class context'
module_name = frame.f_locals['__module__']
class_name = frame.f_code.co_name
...
How can I get seconds since epoch in Javascript?
... Re: arcane magic: Per these docs, Javascript knows how to convert a Date object to a Number. This means that you can type Number(new Date()) to get a number, or even +(new Date()), or use any Date instance in a numerical context such as new Date()/1000 and Javascript will helpfully...
What's the difference between dynamic (C# 4) and var?
...g[] args)
{
Junk a = new Junk(); //NOTE: Compiler converted var to Junk
object b = new Junk(); //NOTE: Compiler converted dynamic to object
a.Hello(); //Already Junk so just call the method.
//NOTE: Runtime binding (late...
Pickle incompatibility of numpy arrays between Python 2 and 3
... this snippet. Hope this helps to clarify the compatibility issue.
import sys
with gzip.open('mnist.pkl.gz', 'rb') as f:
if sys.version_info.major > 2:
train_set, valid_set, test_set = pickle.load(f, encoding='latin1')
else:
train_set, valid_set, test_set = pickle.load(f...