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Create Django model or update if exists
... bars:
updated_rows = SomeModel.objects.filter(bar=the_bar).update(foo=100)
if not updated_rows:
# if not exists, create new
SomeModel.objects.create(bar=the_bar, foo=100)
This will at best only run the first update-query, and only if it matched zero rows run an...
How to compare two colors for similarity/difference
...difference in percentage.
(pctDiffRed + pctDiffGreen + pctDiffBlue) / 3 * 100
Which would give you a difference in percentage between c1 and c2.
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Is there a way to define a min and max value for EditText in Android?
...ass
percentage_edit_text.filters = arrayOf(Utilities.InputFilterMinMax(1, 100))
This EditText allows from 1 to 100.
Then use this from your XML
android:inputType="number"
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Convert JS Object to form data
...sn't get you very far, trying to educate a fellow So member with more than 100 times the reputation and 100 times the number of answers you have doesn't help your point very much either. Also, name one new third party lib that changes the prototype? That post is from a different time...
...
How to add texture to fill colors in ggplot2
... "none")+
scale_fill_grey(start=.4)+
#scale_y_continuous(limits = c(0, 100), breaks = (seq(0,100,by = 10)))+
geom_bar(position=position_dodge(.9), stat="identity", colour="black", legend = FALSE)+
geom_bar(data=HighlightDataVert, position=position_dodge(.9), stat="identity", colour="black", ...
Is String.Format as efficient as StringBuilder
...ill a copy on the Way Back Machine:
http://web.archive.org/web/20090417100252/http://jdixon.dotnetdevelopersjournal.com/string_concatenation_stringbuilder_and_stringformat.htm
At the end of the day it depends whether your string formatting is going to be called repetitively, i.e. you're doing ...
Rounded UIView using CALayers - only some corners - How?
...
+100
I used the answer over at How do I create a round cornered UILabel on the iPhone? and the code from How is a rounded rect view with ...
When and why I should use session_regenerate_id()?
...
+100
I think the issue of session poisoning has been covered pretty well.
To answer the "When should I use this?" portion, it's importan...
How to Use slideDown (or show) function on a table row?
...allback.call(this);
}
}
}, 100);
return $(this);
},
down: function (arg1,arg2,arg3) {
if(typeof arg1 == 'object'...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...into a time object like this: SELECT CAST(DATEADD(MILLISECOND, @Ticks/CAST(10000 AS BIGINT), '1900-01-01') AS TIME). The '1900-01-01' date doesn't matter, of course, it's just the third variable required by the DATEADD(...) function. Remember there are 100 nanoseconds in a tick, but if you use DATEA...