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Is it a bad practice to use negative margins in Android?
...ated that they have never been officially supported and won't be supported by ConstraintLayout.
It is easy to work around this limitation though.
Add an helper view (height 0dp, width constrained to parent) at the bottom of your base view, at the bottom add the margin you want.
Then position y...
rails 3 validation on uniqueness on multiple attributes
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
What is the difference between pluck and collect in Rails?
... In Rails 4, if you only need the id, use .ids Ref doc: api.rubyonrails.org/classes/ActiveRecord/…
– Ivan Chau
Mar 29 '15 at 15:52
add a comment
...
How to customize a Spinner in Android
...ith a custom layout for your spinner.
Spinner spinner = (Spinner) findViewById(R.id.pioedittxt5);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,
R.array.travelreasons, R.layout.simple_spinner_item);
adapter.setDropDownViewResource(R.layout.simple_spinner_dr...
Android ListView with different layouts for each row
...ViewHolder. It would increase speed because you won't have to call findViewById() every time in getView method. See List14 in API demos.
Create one generic layout that will conform all combinations of properties and hide some elements if current position doesn't have it.
I hope that will help you....
How to differ sessions in browser-tabs?
... WebSession is the Same. But you can create a HashMap with Session objects by tab.
– Gonzalo Gallotti
Feb 14 '19 at 16:41
...
How to perform a real time search and filter on a HTML table
... input, filter, found, table, tr, td, i, j;
input = document.getElementById("myInput");
filter = input.value.toUpperCase();
table = document.getElementById("myTable");
tr = table.getElementsByTagName("tr");
for (i = 0; i < tr.length; i++) {
td = tr[i].getElementsByTagN...
Correct way to pass multiple values for same parameter name in GET request
...
I would suggest looking at how browsers handle forms by default. For example take a look at the form element <select multiple> and how it handles multiple values from this example at w3schools.
<form action="/action_page.php">
<select name="cars" multiple>
...
How do I determine the size of an object in Python?
...module.
sys.getsizeof(object[, default]):
Return the size of an object in bytes.
The object can be any type of object.
All built-in objects will return
correct results, but this does not
have to hold true for third-party
extensions as it is implementation
specific.
Only the memory consumption direc...
“Submit is not a function” error in JavaScript
... you're stuck with your submit button being #submit, you can get around it by stealing another form instance's submit() method, eg: document.createElement('form').submit.call(document.frmProduct).
– Neil E. Pearson
Apr 21 '13 at 7:23
...