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How to get value from form field in django framework?
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Using a form in a view pretty much explains it.
The standard pattern for processing a form in a view looks like this:
def contact(request):
if request.method == 'POST': # If the form has been submitted...
form = ContactForm(request.POST) # A form bound to the POST ...
Using Build Flavors - Structuring source folders and build.gradle correctly
...ok at my IO talk you'll see how we mix in together values from the flavors and build type to create the variant.
For the Java source:
src/main/java
src/flavor1/java
src/debug/java
are all 3 used to create a single output. This means they can't define the same class.
If you want to have a differ...
Coredata Error “data: ”
...ou access one of the properties, core data will go to the persistent store and fetch the rest of your values, then you'll get the full description in the logs.
This seems to be such a common misunderstanding that I decided to write about it, here.
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Test if object implements interface
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sure, it is compile-time safe; and it is the built-in way and it is the argument of the question (imho)
– dfa
Apr 20 '09 at 8:10
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Linq select objects in list where exists IN (A,B,C)
...ad of array for allowedStatus because HashSet's contains method is fastest and there'll be performance issues with array if it contains more than 1000 items. var allowedStatus = new HashSet<string> { "A", "B", "C" };
– Jay Shah
Nov 9 '18 at 18:14
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How to write log base(2) in c/c++
... log2 (x) = logy (x) / logy (2)
where y can be anything, which for standard log functions is either 10 or e.
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Can I mix MySQL APIs in PHP?
I have searched the net and so far what I have seen is that you can use mysql_ and mysqli_ together meaning:
4 Answers
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go to character in vim
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vim +21490go script.py
From the command line will open the file and take you to position 21490 in the buffer.
Triggering it from the command line like this allows you to automate a script to parse the exception message and open the file to the problem position...
textarea - disable resize on x or y?
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Sure it is possible with css and jquery
CSS:
resize: vertical;
resize: horizontal;
jQuery
$('textarea').css("resize", "vertical");
$('textarea').css("resize", "horizontal");
Bootstrap
just put the class in Textarea
for the vertical resize: vresi...
Set scroll position
...ll an element instead of the full window, elements don't have the scrollTo and scrollBy methods. You should:
var el = document.getElementById("myel"); // Or whatever method to get the element
// To set the scroll
el.scrollTop = 0;
el.scrollLeft = 0;
// To increment the scroll
el.scrollTop += 100;...