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Concurrency with asyncio
Concurrency is about dealing with lots of things at once. Parallelism is about doing lots of things at once. Not the same, but related. One is about s ...
分类:其他好文   时间:2020-03-21 09:32:11    阅读次数:59
Swift GCD之解决多个网络请求的尴尬
项目开发过程中, 经常遇到单个页面需要发起多个网络请求, 而且还需要控制执行顺序或者所有请求结束后统一处理数据的情况. 最明显的解决方案就是嵌套,但是如果请求多了,代码确实有点恶心 DispatchQueue 串行队列的创建 并行队列的创建, 参数说明 label: 随意命名,队列的标识 qos(服 ...
分类:编程语言   时间:2020-03-20 11:09:31    阅读次数:699
[python]PyQt5- QMessageBox弹窗的应用
QMessageBox.about(self, '结果', '猜大了!') QMessageBox.about(self,标题,提示内容) ...
分类:编程语言   时间:2020-03-19 15:14:26    阅读次数:52
Difference between MB Star C3 and MB Star C4
Many times ago, i saw a blog about MB sd connect C4 for benz, the author said he like this tool very much, and make a comparison with mb star c3 for a ...
分类:其他好文   时间:2020-03-18 20:17:45    阅读次数:71
OpenCV - waitKey() can't capture the first Tab keypress
Looks like "QT" UI backend has been enabled in OpenCV build. TAB can be preserved to switch between "UI elements" in that case.Check build configurati ...
分类:其他好文   时间:2020-03-18 15:34:32    阅读次数:59
2019-ICPC沈阳重现:7-1 A-Leftbest
直接用set中的upper_bound! 7-1 A-Leftbest Jack is worried about being single for his whole life, so he begins to use a famous dating app. In this app, the u ...
分类:其他好文   时间:2020-03-18 11:56:29    阅读次数:89
CORS跨域资源共享学习记录
General: Request URL:http://server-b.com/test.txt Referrer Policy:no-referrer-when-downgrade Request Headers: Accept:*/* Accept-Encoding:gzip, deflate ...
分类:其他好文   时间:2020-03-17 21:18:34    阅读次数:89
About grub2(fc30)
TAB for more information Boot Entry Linux >root=(hd0,1) #linux img/linux root(hd0, gpt1), (hd1, msdos1) >linux /boot/linuz-X.X.X.img root=/dev/sdb1 >i ...
分类:其他好文   时间:2020-03-15 11:48:03    阅读次数:68
Jenkins集成sonarQube 8.2
目录准备 mkdir p /home/jenkins_root/sonarQube/{sonarqube_data,sonarqube_extensions,sonarqube_logs,conf} mkdir p /home/jenkins_root/sonarQube/postgreSQL_da ...
分类:其他好文   时间:2020-03-15 11:40:41    阅读次数:172
P/Invoke今日谈
没想到10来年之后又要用到P/Invoke了,为了能用上RocketMQ,不得不用P/Invoke和rocketmq-client-cpp来打交道,花了两三天吧,把这条路彻底打通了,具体过程另外在写,这里就写一个和P/Invoke有关的小知识点。 在用.NET客户端测试的时候,已经可以接收到消费消息 ...
分类:其他好文   时间:2020-03-14 22:13:34    阅读次数:74
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