大约有 7,000 项符合查询结果(耗时:0.0276秒) [XML]

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App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网

...地址和端口。然后可以双向传输数据。 注意: 在 UNIX 系统上,系统保留 1023(含)以下的端口号。这些限制已保留用于 LINUX,因此也用于 Android。使用这些端口号需要 root 授权。这同样适用于 Apple 的 iOS。 因此,此扩展无法使...
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Convert string to a variable name

...reg mentioned, assign to assign the variables. original_string <- c("x=123", "y=456") pairs <- strsplit(original_string, "=") lapply(pairs, function(x) assign(x[1], as.numeric(x[2]), envir = globalenv())) ls() share ...
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How to add and get Header values in WebApi

...oducts/10', type: 'GET', headers: { 'username': 'test','password':'123' }, success: function (data) { alert(data); }, failure: function (result) { alert('Error: ' + result); } }); Hope this helps someone ... ...
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Printing the last column of a line in a file

... Using Perl $ cat rayne.txt A1 123 456 B1 234 567 C1 345 678 A1 098 766 B1 987 6545 C1 876 5434 $ perl -lane ' /A1/ and $x=$F[2] ; END { print "$x" } ' rayne.txt 766 $ share ...
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How do I parse a URL query parameters, in Javascript? [duplicate]

...ter for the first one). For your example, the above would result in: {v: "123", p: "hello"} Here's a working example. share | improve this answer | follow | ...
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房多多:懂用户比懂互联网重要 - 资讯 - 清泛网 - 专注C/C++及内核技术

...迟早会被改变,所以我们开始做房多多。 房多多第一套系统上线的时候,我们什么商业模式都没想好,只是觉得一边把新房放上来,另一边把经纪人放上来,就可以提高售房效率。 移动互联时代,人手一部智能手机,App成了...
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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...启附加日志 alter database add supplemental log data; --模拟DML操作 conn p_chenming/... SQL> select * from test2; SQL> insert into test2 values(7,77); SQL> commit; conn / as sysdba --切归档 SQL> alter system switch logfile; SQL> select name,dest_id,thread#,sequence# from v...
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How can I import a database with MySQL from terminal?

...ple: mysql -u root -p wp_users < wp_users.sql mysql -u root -pPassword123 wp_users < wp_users.sql See also: 4.5.1.5. Executing SQL Statements from a Text File Note: If you are on windows then you will have to cd (change directory) to your MySQL/bin directory inside the CMD before exec...
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Display name of the current file in vim?

... David WoleverDavid Wolever 123k7676 gold badges297297 silver badges462462 bronze badges ...
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【AI2+AI】人工智能舞姿识别App - 创客硬件开发 - 清泛IT社区,为创新赋能!

...要的外观和感觉。但不要重命名组件,因为本教程会使用操作指南中给出的名称。SwapCameraButton按钮可以根据用户的意愿切换前置或后置摄像头。CanvasLiveButton将画布背景从纯黑色切换到实时摄像机视图。ResetButton设置Dance Score得分...