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How to add additional fields to form before submit?
...
This works:
var form = $(this).closest('form');
form = form.serializeArray();
form = form.concat([
{name: "customer_id", value: window.username},
{name: "post_action", value: "Update Information"}
]);
$.post('/change-user-details', form, function(d) {
if (d.error) {
alert...
How can I catch a “catchable fatal error” on PHP type hinting?
...lass ClassWrong{}
class ClassB{}
class ClassC extends ClassB {}
foreach( array('ClassA', 'ClassWrong', 'ClassB', 'ClassC') as $cn ) {
try{
$a = new ClassA;
$a->method_a(new $cn);
}
catch(Error $err) {
echo "catched: ", $err->getMessage(), PHP_EOL;
}
}
echo '...
How to Pass Parameters to Activator.CreateInstance()
...to CreateInstance through named parameters.
Based on that, you can pass a array towards CreateInstance. This will allow you to have 0 or multiple arguments.
public T CreateInstance<T>(params object[] paramArray)
{
return (T)Activator.CreateInstance(typeof(T), args:paramArray);
}
...
How can I use goto in Javascript?
...using underscore.js, you provide an anonymous function when iterating over arrays. You can't return from inside such a function, so goto end; would be useful.
– Hubro
Mar 24 '15 at 7:11
...
Get query from java.sql.PreparedStatement [duplicate]
....Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.Date;
import java.sql.NClob;
import java.sql.ParameterMetaData;
import java.sql.PreparedStatement;
import java.sql.Ref;
import jav...
Validate uniqueness of multiple columns
...r the validation on multiple columns is similar, but you should provide an array of fields instead:
validates :attr, uniqueness: {scope: [:attr1, ... , :attrn]}
However, validation approaches shown above have a race condition and can’t ensure consistency. Consider the following example:
dat...
Detect changes in the DOM
...hild(listElm.lastElementChild);
listElm.insertAdjacentHTML("beforeend", Array(4).join(itemHTML));
}, 3000);
<button>Add Item</button>
<ol>
<li><button>list item (click to delete)</button></li>
<li><button>list item (click to delete)</b...
How do I tell matplotlib that I am done with a plot?
...
If none of them are working then check this.. say if you have x and y arrays of data along respective axis. Then check in which cell(jupyter) you have initialized x and y to empty. This is because , maybe you are appending data to x and y without re-initializing them. So plot has old data too....
jQuery - Create hidden form element on the fly
...d, add all of them once using something like $(this).append(hidden_element_array.join(''));
– Kedar Mhaswade
Nov 2 '11 at 20:29
1
...
In Python script, how do I set PYTHONPATH?
... You're better off using
import sys
sys.path.append("...")
which is the array that your PYTHONPATH will be transformed into on interpreter startup.
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