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How do I get a file extension in PHP?
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Example URL: http://example.com/myfolder/sympony.mp3?a=1&b=2#XYZ
A) Don't use suggested unsafe PATHINFO:
pathinfo($url)['dirname'] ???? 'http://example.com/myfolder'
pathinfo($url)['basename'] ???? 'sympony.mp3?a=1&b=2#XYZ' // <------- BAD !!
pathinfo($url)['extensi...
Get file name and extension in Ruby
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You can use the following functions for your purpose:
path = "/path/to/xyz.mp4"
File.basename(path) # => "xyz.mp4"
File.extname(path) # => ".mp4"
File.basename(path, ".mp4") # => "xyz"
File.basename(path, ".*") # => "xyz"
File.dirname(path) # => "/path...
XPath: How to select elements based on their value?
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The condition below:
//Element[@attribute1="abc" and @attribute2="xyz" and Data]
checks for the existence of the element Data within Element and not for element value Data.
Instead you can use
//Element[@attribute1="abc" and @attribute2="xyz" and text()="Data"]
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Find file name from full file path
...use of libuv under the hood.
library("fs")
path_file("/some/path/to/file.xyz")
#> [1] "file.xyz"
path_dir("/some/path/to/file.xyz")
#> [1] "/some/path/to"
Created on 2020-02-19 by the reprex package (v0.3.0)
share...
How do I fetch a branch on someone else's fork on GitHub? [duplicate]
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I get Fatal: cannot update paths and switch to branch 'xyz' at the same time. Did you intend to checkout 'xyz/xyz' which can not be resolved as commit?
– Nino Škopac
Nov 3 '15 at 18:39
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What is this Javascript “require”?
... <name of module>? Here is my directory structure. Root folder is xyz. xyz/index.html points to xyz/js/scripts.js using script tag. xyz/js/scripts.js has code require('./module1.js');require('./module2.js');. module1.js/module2.js are also in xyz/js folder. Now, how do I make scripts.js ava...
使用Activity启动器组件 · App Inventor 2 中文网
...启动内置 Android 应用程序
启动相机
启动网络搜索
使用预先指定的消息启动邮件程序
显示某个位置的地图
播放在线视频
选择联系人
启动其他外部应用程序
了解如何设置 ActivityStarter 属性 ...
When is null or undefined used in JavaScript? [duplicate]
...ed // true
z.abc === null // true
z.abc === undefined // false
z.xyz == null // true
z.xyz == undefined // true
z.xyz === null // false
z.xyz === undefined // true
null = 1; // throws error: invalid left hand assignment
undefined = 1; // works fine: this c...
What are copy elision and return value optimization?
...uctor"<<endl; }
};
ABC fun123()
{ ABC obj; return obj; }
ABC xyz123()
{ return ABC(); }
int main()
{
ABC abc;
ABC obj1(fun123());//NRVO
ABC obj2(xyz123());//NRVO
ABC xyz = "Stack Overflow";//RVO
return 0;
}
**Output without -fno-elide-constructo...
How to check if a Constraint exists in Sql server?
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FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each CHECK constraint
SELECT *
FROM INFORM...