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iOS app error - Can't add self as subview
...r pop) a view controller with Animated:YES it doesn't complete right away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complet...
Combine Date and Time columns using python pandas
I have a pandas dataframe with the following columns;
11 Answers
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How to append rows to an R data frame
...rs of the type you want for each column, insert values into those vectors, and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n)...
Django in / not in query
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Was trying to use this solution and ran into a problem, so if it happens to anyone else... Objs=Tbl1.objects.filter(...); IDs=Objs.values_list('id', flat=True); Objs.delete(); Tbl2.objects.filter(id__in=IDs') This did not work because IDs is actually a Quer...
Alternative to iFrames with HTML5
... in a separate context than your page. While that's mostly a great feature and it's the most compatible among browser versions, it creates additional challenges (shrink wrapping the size of the frame to its content is tough, insanely frustrating to script into/out of, nearly impossible to style).
AJ...
How to avoid having class data shared among instances?
...ring the variables inside the class declaration makes them "class" members and not instance members. Declaring them inside the __init__ method makes sure that a new instance of the members is created alongside every new instance of the object, which is the behavior you're looking for.
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Remove multiple attributes with jQuery's removeAttr
... makes no sense to use an old version of jQuery. Many bugs have been fixed and jQuery is constantly developed to keep up with browser evolutions.
– Denys Séguret
Oct 22 '14 at 7:43
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In android studio,cannot load 2 facets-unknown facet type:android and android-gradle
When I open android studio I am getting an error- "Error loading project: Cannot load 2 facets. When I clicked to see the error the following appeared
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MongoDB vs. Cassandra [closed]
...e hot data set fits in memory. Both also emphasize join-less data models (and encourage denormalization instead), and both provide indexes on documents or rows, although MongoDB's indexes are currently more flexible.
Cassandra's storage engine provides constant-time writes no matter how big your d...
How to trigger the onclick event of a marker on a Google Maps V3?
...me problem while doing a quick search... Try to set the "popupMapIn" width and height in CSS using pixels (px) and not percents (%).
– AlexV
Oct 29 '14 at 14:15
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