大约有 40,000 项符合查询结果（耗时：0.0443秒） [XML]
有没有关于CRC校验的扩展？ - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...通用，应该是有现成的 CRC 拓展，我稍后找一下再上传{:8_384:}参考：https://community.appinventor.mit.edu/t/can-someone-help-me-reproduce-this-code-using-the-blocks/60372/15CRC16 算法有多种，本扩展以 ASCII 格式接收数据并以 CRC16/CCITT-FALSE 格式给出结果...
Bottom Navigation Bar 底部导航栏 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...08px]Untitled[size=15.008px]328×585 15.4 KB
[size=15.008px]Screenshot_20240627-102612[size=15.008px]1080×2340 136 KB[size=15.008px]
[size=15.008px]https://community.appinventor.mit.edu/t/bottom-navigation-bar/120598
Regular expression to find URLs within a string
...
It's 2017, and unicode domain names are all over the place. \w may not match international symbols (depends on regex engine), the range is needed instead: a-zA-Z0-9\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF.
– Michael Antipin
Aug...
How to concatenate properties from multiple JavaScript objects
...n Javascript.
The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation on Object.assign()
var o1 = { a: 1 };
var o2 = { b: 2 };
var o3 = { c: 3 };
var...
What is __main__.py?
...
32
__main__.py is used for python programs in zip files. The __main__.py file will be executed whe...
How to validate an email address in JavaScript
...b"@gmail.com, _@gmail.com, 1@gmail.com , 1_example@something.gmail.com are all valid, but Gmail will never allow any of these email addresses. You should do this by accepting the email address and sending an email message to that email address, with a code/link the user must visit to confirm validit...
Output to the same line overwriting previous output?
...o need to import the sys module for this sort of simple usage. print() actually has a number of keyword arguments which can be used to greatly simplify code.
To use the same code on Python 2.6+, put the following line at the top of the file:
from __future__ import print_function
...
How can I benchmark JavaScript code? [closed]
...ming a pre-defined number of iterations of your code is not bulletproof at all. Also, having Firebug open disables Firefox’s Just-In-Time (JIT) compiler, which means the tests will be running in the interpreter, i.e. much slower than they would otherwise. Using Firebug’s profiler won’t give yo...
What is a coroutine?
...ach other?
– tonix
Oct 15 '19 at 14:32
1
...
Can I get “&&” or “-and” to work in PowerShell?
...rt by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to input, output, piping, and results. Start with a good tutorial or overview, and don't try too hard to make syntax from other shells work. You have to take it on its own terms....