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Why use pointers? [closed]
...n't use them. Beware of the "they're probably faster" reason. Run your own tests and if they actually are faster, then use them.
However, let's say you're solving a problem where you need to allocate memory. When you allocate memory, you need to deallocate it. The memory allocation may or may not b...
Numpy `logical_or` for more than two arguments
..., a))
or whatever permutation you like.
Back to python, if you want to test whether a condition (yielded by a function test that takes a testee and returns a boolean value) applies to a or b or c or any element of list L, you normally use
any(test(x) for x in L)
...
Do I need to disable NSLog before release Application?
...e DLog( s, ... )
#endif
Now instead of NSLog use DLog everywhere. When testing and debugging, you'll get debug messages. When you're ready to release a beta or final release, all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables...
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...
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
...