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Get element inside element by class and ID - JavaScript
...dNodes.length; i ++) {
childNode = fooDiv.childNodes[i];
if (/bar/.test(childNode.className)) {
childNode.innerHTML = "Goodbye world!";
}
}
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...
Should Gemfile.lock be included in .gitignore?
...r from config/database.yml
(db["production"] || db["development"] || db["test"])["adapter"]
else
"mysql2"
end
gem *db_gems[adapter]
# -----------------------------------------------------------------------------
I can't say if this is an established best practice or not, but it works well for ...
Browserify - How to call function bundled in a file generated through browserify in browser
...ull if you want to use the same code in node.js and in the browser.
class Test
{
constructor()
{
}
}
global.TestClass = Test;
Then you can access the TestClass anywhere.
<script src="bundle.js"></script>
<script>
var test = new TestClass(); // Enjoy!
</script>
Not...
How do I manipulate a variable whose name conflicts with PDB commands?
...e an exclamation mark ! before a statement to have it run :
python -m pdb test.py
> /home/user/test.py(1)<module>()
-> print('foo')
(Pdb) !n = 77
(Pdb) !n
77
(Pdb) n
foo
> /home/user/test.py(2)<module>()
-> print('bar')
(Pdb)
The docs say:
! statement
Execute the ...
How to use multiple arguments for awk with a shebang (i.e. #!)?
...e able to use:
#!/usr/bin/env -S command arg1 arg2 ...
So given:
$ cat test.sh
#!/usr/bin/env -S showargs here 'is another' long arg -e "this and that " too
you will get:
% ./test.sh
$0 is '/usr/local/bin/showargs'
$1 is 'here'
$2 is 'is another'
$3 is 'long'
$4 is 'arg'
$5 is '-e'
$6 is 'th...
Coding Practices which enable the compiler/optimizer to make a faster program
...ithout branching:
bool status = true;
status = status && /* first test */;
status = status && /* second test */;
The short circuiting of the Logical AND operator (&&) prevents execution of the tests if the status is false.
Example:
struct Reader_Interface
{
virtual boo...
Can Selenium interact with an existing browser session?
...
In case anyone needs it, I have tried and tested some Java code to make selenium use an existing browser session - stackoverflow.com/a/51145789/6648326.
– MasterJoe
Jul 9 '18 at 1:40
...
When is finally run if you throw an exception from the catch block?
... call stack" will include framework handlers such as those in ASP.NET or a test runner. A better way of putting it might be "if your program continues to run after the catch block, then the finally block will execute."
– ArrowCase
Oct 21 '19 at 17:40
...
How to detect a loop in a linked list?
...ation; it only saves one iteration at most at the expense of an additional test for every iteration.
– Jason C
Mar 5 '14 at 23:59
...
Using jQuery to compare two arrays of Javascript objects
...
I needed a simple method to compare arrays in my unit tests, assuring the same order for the two arrays. It's very nice, thanks.
– aymericbeaumet
Feb 5 '14 at 2:45
...