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How to Correctly handle Weak Self in Swift Blocks with Arguments

...l on using strong, weak, and unowned in closures: https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html Note: I used the term closure instead of block which is the newer Swift term: Difference between block (Objective...
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Pandas count(distinct) equivalent

...if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])? – ErnestScribbler Oct 2 '17 at 8:10 4 ...
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How to use background thread in swift?

..."dispatch_get_global_queue" requires 1st parameter as int so type error is coming. – Zalak Patel Oct 29 '14 at 12:43 S...
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How to pass parameters to ThreadStart method in Thread?

...legate to execute the thread function. public class Download { string _filename; Download(string filename) { _filename = filename; } public void download(string filename) { //download code } } Download = new Download(filename); Thread thread = new Thread...
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How to redirect all HTTP requests to HTTPS

I'm trying to redirect all insecure HTTP requests on my site (e.g. http://www.example.com ) to HTTPS ( https://www.example.com ). I'm using PHP btw. Can I do this in .htaccess? ...
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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);               &nbsp...
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术

...,2,3,4); wsprintf(szTemp, L"Result = %d", iResult); MessageBox(HWND_DESKTOP, szTemp, L"ASM Result", MB_OK); return 0; } /* WinMain() */ 四. Build VS2005的Project,当你看到如下信息时,恭喜你~~~你成功了! ========= Rebuild All: 1 succeeded, 0 failed, 0...
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Grunt watch error - Waiting…Fatal error: watch ENOSPC

... After doing some research found the solution. Run the below command. echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf: fs.inotify.max_user_watches=524288 ...
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Is there a way to delete a line in Visual Studio without cutting it?

... @nathan_hc, that actually performs a cut, which pollutes the clipboard. (Try it yourself and paste after using CTRL-L) – Kirk Woll Sep 17 '10 at 2:39 ...
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brew install mysql on macOS

...olutions worked for me. I fixed it thus: Used brew's remove & cleanup commands, unloaded the launchctl script, then deleted the mysql directory in /usr/local/var, deleted my existing /etc/my.cnf (leave that one up to you, should it apply) and launchctl plist Updated the string for the plist. N...