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How to use a dot “.” to access members of dictionary?
... :-) can you make it work with keys that have already dot in the name? {"test.foo": "bar"} can be accessed via mymap.test.foo That would be fantastic. It will take some regressesion to convert a flat map to a deep map then apply DotMap to it, but it's worth it!
– dlite922
...
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!";
}
}
share
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improve this answer
...
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...