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乘风破浪魅力绽放第十三届光电子产业博览会6月高光亮相？

随着5G、物联网等技术的快速发展，光电子行业迎来了广阔的发展空间。作为中国高新技术产业之一，光电子行业在通信、光伏、照明领域的产业化发展非常迅速，表现出良好的性能和巨大的应用潜力。尤其近年我国受到缺芯问[详细]

2023-01-25 13:42 分类：问答
How do I request and process JSON with python?

I am开发者_开发问答 trying to send a GET request to a URL that I know returns data in the form of JSON using python.[详细]

2022-12-30 04:20 分类：问答
File being used by another process after using File.Create()

I\'m trying to detect if a file exists at runtime, if not, create it. However I\'m getting this error when I try to write to it:[详细]

2022-12-29 15:39 分类：问答
Errors on creating a multipage PDF

Has anyone already created a PDF document in an iPad app? I see that there are new functions in the UIKit to do this, but I can\'t find any code example for it.[详细]

2022-12-28 22:31 分类：问答
醪糟的食疗效果？

每天喝一碗醪糟汤，可以丰胸和美白肌肤，但是得长期吃才行。尤开发者_Python百科其是坐月子的女性喝这个更好，最好是自制的，不要添加防腐剂，网上有制作方法可以尝试[详细]

2022-12-28 21:25 分类：问答
Time display query in sql

I have following data UserIDUserNameLogTime LogDate 1S9:0021/5/2010 1S10:0021/5/2010 1S11:00开发者_如何学Python 21/5/2010[详细]

2022-12-27 12:32 分类：问答
g++ and c++0x specification support

although it\'s been said that the support for c++0x new features in g++ are in experimental mode, many gcc developer claimed that you can use most of the new features in your codes and get th开发者_JA[详细]

2022-12-27 02:53 分类：问答
$_POST Returns empty for multiple select box

Ok, I am filling up my multiple select box with options from another select box via javascript like so:[详细]

2022-12-27 02:22 分类：问答
Best solution to anti-spam in PHP?

How to distinguish robots from normal user? How does SO do this job? Currently I\'m met 开发者_如何学Gowith a robot which post once every 1 hour...Try akismet as your first line of defense. Bad Beha[详细]

2022-12-25 06:51 分类：问答
CheckBox menu item Decrypt in JAVA GUI

I am working on a project and part of ask for: add a CheckBox menu item Decrypt which can be checked for decrypt or unchecked for Encrypt. This item should be tied to the toggle button in the GUI. B[详细]

2022-12-25 04:55 分类：问答