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In JavaScript, does it make a difference if I call a function with parentheses?
...I want to elaborate a little with an example that will help explain to someone who doesn't fully understand function pointers or delegates.
I won't use window.onload because that's a bit contrived to demonstrate. I'll use a simple multiply function to demo instead:
function Multiply(operator, oper...
Need to reset git branch to origin version
...am state" for other options.
With Git 2.23 (August 2019), that would be one command: git switch.
Namely: git switch -C mybranch origin/mybranch
Example
C:\Users\vonc\git\git>git switch -C master origin/master
Reset branch 'master'
Branch 'master' set up to track remote branch 'master' from '...
How to send a “multipart/form-data” with requests in python?
...d an optional dictionary of further headers.
I'd use the tuple form with None as the filename, so that the filename="..." parameter is dropped from the request for those parts:
>>> files = {'foo': 'bar'}
>>> print(requests.Request('POST', 'http://httpbin.org/post', files=files).p...
MySQL foreign key constraints, cascade delete
...,1),(4,2),(4,3),(4,4);
-- Delete
DELETE FROM `T2` WHERE `ID`=4; -- Delete one field, all the associated fields on tt, will be deleted, no change in T1
TRUNCATE `T2`; -- Can't truncate a table with a referenced field
DELETE FROM `T2`; -- This will do the job, delete all fields from T2, and all assoc...
Can I run javascript before the whole page is loaded?
...nitial DOM created. This isn't the primary reason to use modules, but it's one of the reasons:
<script type="module" src="./my-code.js"></script>
<!-- Or -->
<script type="module">
// Your code here
</script>
The code will be fetched (if it's separate) and parsed in ...
How can I pass selected row to commandLink inside dataTable or ui:repeat?
...
As to the cause, the <f:attribute> is specific to the component itself (populated during view build time), not to the iterated row (populated during view render time).
There are several ways to achieve the requirement.
If your servletcontainer supports a minimum of Servlet 3.0 / EL...
What is the difference between .text, .value, and .value2?
...at leaving out text/value/value2 is problematic, but surely it defaults to one of them?
– Martin F
Apr 24 '15 at 22:27
3
...
How to check if a variable is a dictionary in Python?
...ng alias is still available in Python 3.6, but not documented, so probably one should prefer collections.abc.Maping.
– Yushin Washio
Feb 26 '19 at 12:27
|...
Use numpy array in shared memory for multiprocessing
...
Beautiful answer! If I want to have more than one shared array, each separately lockable, but with the number of arrays determined at runtime, is that a straightforward extension of what you've done here?
– Andrew
Jan 19 '13 at 4:3...
Rebasing a Git merge commit
...
There are two options here.
One is to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the manual:
By def...