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Django set field value after a form is initialized
...ail': GetEmailString()})
See the Django Form docs for more explanation.
If you are trying to change a value after the form was submitted, you can use something like:
if form.is_valid():
form.cleaned_data['Email'] = GetEmailString()
Check the referenced docs above for more on using cleaned_...
Filter rows which contain a certain string
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option 1 is to know for sure that dplyr loaded last. option 2 is you prefix dplyr::filter.
– userJT
Mar 1 '16 at 14:30
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import module from string variable
... on a documentation (personal) for nested matplotlib (MPL) library, which differs from MPL own provided, by interested submodule packages. I'm writing Python script which I hope will automate document generation from future MPL releases.
I selected interested submodules/packages and want to list t...
Detecting request type in PHP (GET, POST, PUT or DELETE)
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By using
$_SERVER['REQUEST_METHOD']
Example
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// The request is using the POST method
}
For more details please see the documentation for the $_SERVER variable.
...
Visual Studio immediate window command for Clear All
...text-menu, L.
If you don't have a context-menu key on your keyboard (you know, the one between right-alt and right-ctrl), you can use shift + F10 instead.
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How to get number of entries in a Lua table?
...to be implementation defined behavior. The reason it is like this is that different implementors can pick different implementation choices.
– Nakedible
Aug 9 '13 at 6:39
19
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What's the difference between :: (double colon) and -> (arrow) in PHP?
There are two distinct ways to access methods in PHP, but what's the difference?
6 Answers
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Safely turning a JSON string into an object
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The jQuery method is now deprecated. Use this method instead:
let jsonObject = JSON.parse(jsonString);
Original answer using deprecated jQuery functionality:
If you're using jQuery just use:
jQuery.parseJSON( jsonString );
It's exactly w...
How to get current PHP page name [duplicate]
...file called demo.php where I don't have any GET variables in the URL, so if I want to hide a button if am on this page I can't use something like this:
...
What does $_ mean in PowerShell?
...erty -Name Bar -Value $_.Name -PassThru | Select Bar ... Well, it can work if you have a $_ in the scope where you're executing that pipeline. But that's very different from what you usually mean when trying to write something like that.
– Joey
Nov 6 '15 at 17:...