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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...reshed, or element is removed and re-added
element.click();
Now at the point where you're clicking the element, the element reference is no longer valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives co...
Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
...cate_database exception (which is issued when database already exists) and converts it into notice with propagating errcode. String message has appended , skipping in the same way how it does CREATE SCHEMA IF NOT EXISTS.
CREATE EXTENSION IF NOT EXISTS dblink;
DO $$
BEGIN
PERFORM dblink_exec('', 'C...
What are the various “Build action” settings in Visual Studio project properties and what do they do
...plicationDefinition.
Page
Identifies a XAML markup file whose content is converted to a binary format and compiled into an assembly. Page items are typically implemented in conjunction with a code-behind class.
The most common Page items are XAML files whose top-level elements are one of the foll...
Android: how to make keyboard enter button say “Search” and handle its click?
...onListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
performSearch();
return true;
}
return false;
}
});
...
jQuery - get a list of values of an attribute from elements of a class
...
@Yuji - get converts the jQuery object to a regular array.
– Kobi
Oct 4 '12 at 17:54
...
Using vagrant to run virtual machines with desktop environment
... config.vm.box = "ubuntu/bionic64"
# Optional - enlarge disk (will also convert the format from VMDK to VDI):
#config.disksize.size = "50GB"
config.vm.provider "virtualbox" do |vb|
# Display the VirtualBox GUI when booting the machine
vb.gui = true
end
# https://askubuntu.com/qu...
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
... of 2-tuples for my basic OrderedDict so that I don't have the overhead of converting a list to an OrderedDict. I just loop through the elements like a list instead of a dictionary.
– Bobort
May 18 '17 at 16:17
...
Why prefer two's complement over sign-and-magnitude for signed numbers?
...ut the article on Wikipedia.
Say you have two numbers, 2 and -1. In your "intuitive" way of representing numbers, they would be 0010 and 1001, respectively (I'm sticking to 4 bits for size). In the two's complement way, they are 0010 and 1111. Now, let's say I want to add them.
Two's complement ad...
Pandas dataframe get first row of each group
...Somehow when I give range, it throws an error: TypeError: n needs to be an int or a list/set/tuple of ints
– Peaceful
Dec 15 '16 at 6:24
...
How do I write a “tab” in Python?
...
It's usually \t in command-line interfaces, which will convert the char \t into the whitespace tab character.
For example, hello\talex -> hello--->alex.
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