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cv2.imshow command doesn't work properly in opencv-python
... only works with waitKey():
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(The whole message-loop necessary for updating the window is hidden in there.)
share
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Disabling swap files creation in vim
...ere a way to disable .swp files creation in vim? or at least create them all in one place so I can find and delete them easily.
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Print a file's last modified date in Bash
... to find how to print out the date of a file. I'm so far able to print out all the files in a directory, but I need to print out the dates with it.
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Postgres could not connect to server
...ew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well.
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SQL Server SELECT INTO @variable?
... In case if you aren't using the database type that the OP is using, not all support TOP 1 as Adrian mentioned. SQL Server / MS Access use TOP, MySQL uses LIMIT, and Oracle uses ROWNUM. See w3schools.com/sql/sql_top.asp for more information.
– Tyler
Jul 7 '17...
Is there an easy way to strike through text in an app widget?
... First it is unclear what is remoteviews , plus doesn't work for all android versions.
– akshat tailang
Nov 28 '18 at 18:26
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C# 通过代码安装、卸载、启动、停止服务 - .NET(C#) - 清泛IT论坛，有思想、有深度
...sp; IDictionary _SavedState = new Hashtable();
ServiceController service = new ServiceController(serviceName);
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...项，记住，一定要把我们自己，也就是com.blogjava.youxia.rcp_start加进依赖项，否则会出错。最开始的时候，就是这么一点小问题，让我浪费了几天时间。
再点击添加必须的插件，自动添加其它的依赖项。
再下一步，...
How can I calculate the difference between two dates?
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Not all days have 86400 seconds. For a trivial example that's fine but it's not a good idea in the real world. DST changes, leap seconds, etc can all mess with it. NSCalendar can tell you how many seconds are in a given day.
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When to use volatile with multi threading?
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However two threads both accessing a shared variable is something which calls for protection via a mutex isn't it?
But in that case, between the thread locking and releasing the mutex the code is in a critical section where only that one thread can access the variable, in which case the variable ...