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How to get parameters from a URL string?
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All the parameters after ? can be accessed using $_GET array. So,
echo $_GET['email'];
will extract the emails from urls.
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Find index of a value in an array
...first item matching an expression in an enumerable.</summary>
///<param name="items">The enumerable to search.</param>
///<param name="predicate">The expression to test the items against.</param>
///<returns>The index of the first matching item, or -1 if no items ...
Execute and get the output of a shell command in node.js
...one.
Code sample
const childProcess = require("child_process");
/**
* @param {string} command A shell command to execute
* @return {Promise<string>} A promise that resolve to the output of the shell command, or an error
* @example const output = await execute("ls -alh");
*/
function exe...
Using parameters in batch files at Windows command line
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As others have already said, parameters passed through the command line can be accessed in batch files with the notation %1 to %9. There are also two other tokens that you can use:
%0 is the executable (batch file) name as specified in the command line...
How to find the most recent file in a directory using .NET, and without looping?
...tain any file, DateTime.MinValue is returned.
/// </summary>
/// <param name="directoryInfo">Path of the directory that needs to be scanned</param>
/// <returns></returns>
private static DateTime GetLatestWriteTimeFromFileInDirectory(DirectoryInfo directoryInfo)
{
i...
Amazon S3 Change file download name
...tuff...]
}
Please, take note of ResponseContentDisposition attribute of params object passed into s3.getSignedUrl function.
More information under getObject function doc at http://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/S3.html#getObject-property
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Django Rest Framework: Dynamically return subset of fields
...r Designing a Pragmatic RESTful API , I would like to add a fields query parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
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Rails: update_attribute vs update_attributes
...d3 => "value3"
or if you get all fields data & name in a hash say params[:user] here use just
Object.update_attributes(params[:user])
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How to get IP address of the device from code?
...lic class Utils {
/**
* Convert byte array to hex string
* @param bytes toConvert
* @return hexValue
*/
public static String bytesToHex(byte[] bytes) {
StringBuilder sbuf = new StringBuilder();
for(int idx=0; idx < bytes.length; idx++) {
in...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
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@NamNguyen If you want to talk about other forms of parameter expansion, there are at least a dozen more: ${parameter:-word}, ${parameter:=word}, ${parameter#word}, ${parameter/pattern/string}, and so on. I think those are beyond the scope of this answer.
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