How to create file association with two program and making one default if both present?

I have to 开发者_运维问答create file association for an extension with two programmes and if both programmes A and B are present then choose program A to open the file. If only B is present then choos

WxPython, popup menus, callbacks and Windows XP

My goal: the user clicks a button.From the button pops up a two-level menu.The user clicks on something, and this triggers a callback which does stuff.

How to retrieve a IMAP body with the right charset?

I\'m trying to make an \"IMAP fetch\" command to retrieve the message body. I need to pass/use the correct charset, otherwise the response will come with special characters.

英语四级备考资料 需要准备什么学习材料？

2021年下半年的四级考试将于12月18日举行，2021年12月的四级考试报名时间为8月底9月初。

How can I unattach an element from another element in the XAML tree?

In my Silverlight application, I load all the images I need at application start and store them in a dictionary.

lg投屏设置？？

原神谜境悬兵第二阶段凶煞折行之寮宝箱在哪里？凶煞折行之寮12个宝箱位置分享？

原谜第二阶段廖的宝箱在哪里？很多玩家在第二阶段收集了很多宝箱，但并不是所有玩家都找到了所有宝箱。让我们一起来看看所有宝箱的具开发者_如何学编程体位置。

Flex/actionscript snapshot with clipping rectangle and scaling matrix

var snapshot:ImageSnapshot = ImageSnapshot.captureImage(someSprite); var file:FileReference = new FileReference();

TAB key is not working on NetBeans

Hi I used to use Eclipse as my IDE for java. I am starting using NetBeans now. I used TAB key to get out of parenthes开发者_高级运维es or brackets in Eclipse. Which key do I need to use for NetBeans?