我知道没有简单的方法来进行多项功能分配VB,但是我的解决方案是 - 它是好的,你会怎样做得更好？
我需要什么(我将如何在python中做,只是一个例子)
def foo(a) ' function with multiple output
return int(a), int(a)+1
FloorOfA, CeilOfA = foo(a) 'now the assignment of results
我是怎么用VB做的:
Public Function foo(ByVal nA As Integer) As Integer() ' function with multiple output
Return {CInt(nA),CInt(nA)+1}
End Function
Dim Output As Integer() = foo(nA) 'now the assignment of results
Dim FloorOfA As Integer = Output(0)
Dim CeilOfA As Integer = Output(1)
我需要在python程序中获取Path for PyQt库.程序作为另一个应用程序的脚本运行,因此我的
sys.executable = 'D:/program files/visum/exe/visum115.exe
我需要我的实际python路径(和PyQt库模块的路径)
Path = C:\Python25\Lib\site-packages\PyQt4\plugins
我正在尝试
os.environ['PYTHONPATH']
但我不确定它是否能够健壮.
问候!
PS.我需要它才能插入插件:
qApp.addLibaryPath('C:\Python25\Lib\site-packages\PyQt4\plugins')
我将数据存储在字典中,其中key是一个整数,value是一个整数元组.我需要得到最长元素的长度及其关键.
我发现这是为了获得dict的最大值:
def GetMaxFlow(flows):
maks=max(flows, key=flows.get)
return flows[maks],maks
我试图修改并作为一个关键用途使用该len函数,但它没有用,所以我尝试了一些合理而直接但效率低下的东西:
def GetMaxFlow(flows):
Lens={}
for a in flows.iteritems():
Lens[a[0]]=len(a[1])
maks=max(Lens, key=Lens.get)
return Lens[maks],maks
有更优雅,更pythonic的方式吗？
我很难在VB中创建dll,这对于python来说是可见的,
当我将dll导入python时,没有VB函数可见
这是我做的:
Run Code Online (Sandbox Code Playgroud)Public Class MyFunctions Public Function AddMyValues(ByVal Value1 As Double, ByVal Value2 As Double) Dim Result As Double Result = Value1 + Value2 Return Result End Function End Class`
我把它保存为DLL(从Visual Studio 2010构建)
我尝试通过将其导入到其他VB项目(它工作正常)它的工作原理:
Run Code Online (Sandbox Code Playgroud)Imports ClassLibrary1 Module Module1 Sub Main() Dim Nowa As New ClassLibrary1.MyFunctions Dim Result As String Result = Nowa.AddMyValues(123, 456.78).ToString Console.WriteLine(Result) Console.ReadLine() End Sub End Module
Run Code Online (Sandbox Code Playgroud)from ctypes import * MojaDLL = cdll.LoadLibrary("E:\\ClassLibrary1.dll") MojaDLL.MyFunctions Traceback (most recent call last): File "<console>", line 1, in …
我pytorch按照网上的一些说明（通过conda命令）安装在我的 M1 mac 书上。然后我的整个环境就被破坏了。每当我尝试导入一些库（pandas、numpy，等等）时，我都会得到：
Intel MKL FATAL ERROR: This system does not meet the minimum requirements for use of the Intel(R) Math Kernel Library.
The processor must support the Intel(R) Supplemental Streaming SIMD Extensions 3 (Intel(R) SSSE3) instructions.
The processor must support the Intel(R) Streaming SIMD Extensions 4.2 (Intel(R) SSE4.2) instructions.
The processor must support the Intel(R) Advanced Vector Extensions (Intel(R) AVX) instructions.
我在OpenLayers中渲染KML文件时遇到了奇怪的问题.这似乎很容易,但事实并非如此.我从这里的OpenLayers示例开始.我想添加自己的KML.它没用.我已经使用绝对URL创建了示例的本地副本,如下所示:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<link rel="stylesheet" href="http://openlayers.org/dev/theme/default/style.css" type="text/css" />
<link rel="stylesheet" href="http://openlayers.org/dev/examples/style.css" type="text/css" />
<script src="http://openlayers.org/dev/OpenLayers.js"></script>
<style type="text/css">
html, body {
height: 100%;
}
#map {
width: 100%;
height: 80%;
border: 1px solid black;
}
.olPopup p { margin:0px; font-size: .9em;}
.olPopup h2 { font-size:1.2em; }
</style>
<script type="text/javascript">
var lon = 5;
var lat = 40;
var zoom = 5;
var map, select;
function init(){ …我在引用字符串中的特殊符号时遇到问题:
我有: path='C:\dir\dir1\dir2\filename.doc'
我想filename.
当我尝试: filename=path[path.rfind("\"):-4]
然后解释器说它是"\"的错误行,因为它被视为注释.
所以我将文件解析为python列表,我遇到了这样的嵌套列表:
{ 1 4{ 2a 0.0 }{ 3 0.0 }{ 4c 0.0 }{ 5 0.0 } }
我想把它解释为一个列表,但是嵌套了,所以我希望它成为python列表,如下所示:
[1,4,[2a,0.0],[3,0.0],[4c,0.0],[5,0.0]]
我设法使用以下内容执行正确的字符串:
l = """{ 1 4{ 2 0.0 }{ 3 0.0 }{ 4 0.0 }{ 5 0.0 } }"""
l = l.replace("{\t",",[").replace("\t}","]").replace("{","[").replace("}","]").replace("\t",",")[1:]
我也可以申请' l.strip("\t")以便它是一个列表,但不适用于嵌套,否则它将被展平,这是我不想要的.
我尝试过ast.literal_eval(l),但它在字符串上失败,例如2a
python ×5
vb.net ×2
apple-m1 ×1
conda ×1
ctypes ×1
dictionary ×1
dll ×1
function ×1
google-maps ×1
intel-mkl ×1
javascript ×1
kml ×1
list ×1
openlayers ×1
parsing ×1
path ×1
pyqt ×1
pytorch ×1
qwebkit ×1
string ×1