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appending array to FormData and send via AJAX
...
You have several options:
Convert it to a JSON string, then parse it in PHP (recommended)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's method
Sending an array via FormData.
Not recommended: Serialize the data with, the...
Select SQL Server database size
... Maybe I'm doing something wrong. I had 100 000 rows that I dropped and then I checked the size given these exampels. Size is still about 14 GB.
– Essej
Sep 22 at 6:39
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Filtering Pandas DataFrames on dates
...revious answer is not correct in my experience, you can't pass it a simple string, needs to be a datetime object. So:
import datetime
df.loc[datetime.date(year=2014,month=1,day=1):datetime.date(year=2014,month=2,day=1)]
s...
SQL RANK() versus ROW_NUMBER()
...rows that have duplicate values,in which case the same ranking is assigned and a gap appears in the sequence for each duplicate ranking.
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How do I make a delay in Java?
..., to run the method myTask every second (Java 8):
public static void main(String[] args) {
final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
executorService.scheduleAtFixedRate(App::myTask, 0, 1, TimeUnit.SECONDS);
}
private static void myTask()...
Adding a regression line on a ggplot
...n <- function (fit) {
`require(ggplot2)
ggplot(fit$model, aes_string(x = names(fit$model)[2], y = names(fit$model)[1])) +
geom_point() +
stat_smooth(method = "lm", col = "red") +
labs(title = paste("Adj R2 = ",signif(summary(fit)$adj.r.squared, 5),
...
'POCO' definition
... an example of each.
Example of a POCO:
public class Person
{
public string Name { get; set; }
public int Age { get; set; }
}
Example of something that isn’t a POCO:
public class PersonComponent : System.ComponentModel.Component
{
[DesignerSerializationVisibility(DesignerSerializ...
jQuery: more than one handler for same event
What happens if I bind two event handlers to the same event for the same element?
8 Answers
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How does this CSS produce a circle?
...f 180 pixels?
Let's reformulate that into two questions:
Where do width and height actually apply?
Let's have a look at the areas of a typical box (source):
The height and width apply only on content, if the correct box model is being used (no quirks mode, no old Internet Explorer).
Where d...
Binding multiple events to a listener (without JQuery)?
...* @param {DOMElement} element - DOM element to add listeners to
** @param {string} eventNames - space separated list of event names, e.g. 'click change'
** @param {Function} listener - function to attach for each event as a listener
*/
function addListenerMulti(element, eventNames, listener) {
var...