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Importing a Swift protocol in Objective-C class
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The same link is available via WebArchive: web.archive.org/web/20170310053717/https://developer.apple.com/…
– Richard Topchii
Jun 17 '19 at 14:49
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App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...地图的uri参考地址：http://lbsyun.baidu.com/index.php?title=uri/api/web?（5）本程序的前台界面如图10-9所示：（6）后台程序模块如图10-10所示：
图10-7 将输入的文本读出来的程序设计
TCP: can two different sockets share a port?
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A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and serv...
Is it possible to simulate key press events programmatically?
Is it possible to simulate key press events programmatically in JavaScript?
23 Answers
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Git push/clone to new server
...s something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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“Conversion to Dalvik format failed with error 1” on external JAR
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Go to Project » Properties » Java Build Path » Libraries and remove all except the "Android X.Y" (in my case Android 1.5). click OK. Go to Project » Clean » Clean projects selected below » select your project and click OK. That should work.
It is also possible that you have a JAR file loc...
string.Join on a List or other type
... strings from a list of ints so that String.Join(String, String[]) can be called. Only thing I'd say is that it's unusual to see this method written as an extension on String as opposed to IEnumerable<String> - I tend to always call it at the end of a long chain of extension method calls.
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转型产品经理必看 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...们的核心业务，是服务，“谁”是指我们的目标用户，是客户，“什么问题”是指核心需求，是场景。这个过程不需要用到什么工具或特别的方法，只需要做到组织和团队的理解共识，通过文字记录下来即可，关键是思考清楚。...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
...HTTP header:
header('Content-Type: text/html; charset=utf-8');
Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for mor...
Error - Unable to access the IIS metabase
After installing Visual Studio 2012 and opening my solution I get a series of errors in this form:
37 Answers
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