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django: BooleanField, how to set the default value to true?
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If you're just using a vanilla form (not a ModelForm), you can set a Field initial value ( https://docs.djangoproject.com/en/2.2/ref/forms/fields/#django.forms.Field.initial ) like
class MyForm(forms.Form):
my_field = fo...
XmlSerializer - There was an error reflecting type
...at serialized classes must have default (i.e. parameterless) constructors. If you have no constructor at all, that's fine; but if you have a constructor with a parameter, you'll need to add the default one too.
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How to get all possible combinations of a list’s elements?
...t iterable.
Combinations are emitted in lexicographic sort order. So, if the
input iterable is sorted, the
combination tuples will be produced in
sorted order.
Since 2.6, batteries are included!
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File upload progress bar with jQuery
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Note: This question is related to the jQuery form plugin. If you are searching for a pure jQuery solution, start here.
There is no overall jQuery solution for all browser. So you have to use a plugin. I am using dropzone.js, which have an easy fallback for older browsers. Which plu...
What does the thread_local mean in C++11?
...he thread_local variables are visible to all the threads but can only modified by the thread for which they are defined? Is it correct?
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How do I check if a SQL Server text column is empty?
... upvoted, but ... where ISNULL( TRIM( Field), '') = '' is even better ;-), if you feel that " " is an Empty string even with spaces inside
– Kirsten
Jun 13 '19 at 7:26
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Why is JSHINT complaining that this is a strict violation?
...und this context, e.g. gotoPage.bind(myObj)(5) or gotoPage.call(myObj, 5). If so, you can ignore JSHint, as you will not generate any errors. But, it is telling you that your code is unclear to anyone reading it, because using this inside of something that is not obviously a method is quite confusin...
Get UIScrollView to scroll to the top
...RIGINAL
[self.scrollView setContentOffset:CGPointZero animated:YES];
or if you want to preserve the horizontal scroll position and just reset the vertical position:
[self.scrollView setContentOffset:CGPointMake(self.scrollView.contentOffset.x, 0)
animated:YES];
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Add icon to submit button in twitter bootstrap 2
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The only problem I have had with this approach is if there are other buttons in the form, then your form won't submit when pressing the enter key on the keyboard, as one of the other buttons will take precedence. Any known workarounds?
– Jeshurun
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Can I avoid the native fullscreen video player with HTML5 on iPhone or android?
...perty that enables/disables in line media playback in the iOS web browser (if you were writing a native app, it would be the allowsInlineMediaPlayback property of a UIWebView). By default on iPhone this is set to NO, but on iPad it's set to YES.
Fortunately for you, you can also adjust this behavi...