大约有 7,000 项符合查询结果(耗时:0.0276秒) [XML]
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...
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()
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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
$
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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.
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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...
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...
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...
Display name of the current file in vim?
...
David WoleverDavid Wolever
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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...
