大约有 40,000 项符合查询结果（耗时：0.0332秒） [XML]
What's the correct way to convert bytes to a hex string in Python 3?
...
Since Python 3.5 this is finally no longer awkward:
>>> b'\xde\xad\xbe\xef'.hex()
'deadbeef'
and reverse:
>>> bytes.fromhex('deadbeef')
b'\xde\xad\xbe\xef'
works also with the mutable bytearray type.
Reference: https://docs.p...
Launch an app on OS X with command line
...
This worked and allowed me to set a zsh alias for Chromium. Thanks
– jamescampbell
Sep 3 '15 at 0:47
...
Python json.loads shows ValueError: Extra data
... answered Jan 11 '14 at 5:39
falsetrufalsetru
295k4242 gold badges563563 silver badges525525 bronze badges
...
How to make asynchronous HTTP requests in PHP
...inish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application, or triggering long processes.
...
How to pass arguments from command line to gradle
...
project.group is a predefined property. With -P, you can only set project properties that are not predefined. Alternatively, you can set Java system properties (-D).
share
|
improve thi...
How to reset Jenkins security settings from the command line?
Is there a way to reset all (or just disable the security settings) from the command line without a user/password as I have managed to completely lock myself out of Jenkins ?
...
Node.js check if file exists
How do i check the existence of a file ?
17 Answers
17
...
How do I compute derivative using Numpy?
...ons). This is the most robust but also the most sophisticated/difficult to set up choice. If you're fine restricting yourself to numpy syntax then Theano might be a good choice.
Here is an example using SymPy
In [1]: from sympy import *
In [2]: import numpy as np
In [3]: x = Symbol('x')
In [4]: y...
A semantics for Bash scripts?
...$ 'echo' foo
foo
$ "echo" foo
foo
Substring expansion
$ fail='echoes'
$ set -x # So we can see what's going on
$ "${fail:0:-2}" Hello World
+ echo Hello World
Hello World
For more on expansions, read the Parameter Expansion section of the manual. It's quite powerful.
Integers and arithmetic ex...
PowerShell equivalent to grep -f
I'm looking for the PowerShell equivalent to grep --file=filename . If you don't know grep , filename is a text file where each line has a regular expression pattern you want to match.
...