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How to get the screen width and height in iOS?
...o match that of the screen, and as you've seen that's not always the case. If you need the screen size, you should look at the object that represents the screen itself, like this:
CGRect screenRect = [[UIScreen mainScreen] bounds];
CGFloat screenWidth = screenRect.size.width;
CGFloat screenHeight =...
Pandas read_csv low_memory and dtype options
...erly deprecated, but it should be, since it does not actually do anything differently[source]
The reason you get this low_memory warning is because guessing dtypes for each column is very memory demanding. Pandas tries to determine what dtype to set by analyzing the data in each column.
Dtype Guessi...
How do I get the list of keys in a Dictionary?
...e Key type being a string. var keyList = yourDictionary.Keys.ToList(); Or if you want to go nuts and not use var or Linq: - Type keyType = yourDictionary.GetType().GetGenericArguments()[0]; Type listType = typeof(List<>).MakeGenericType(keyType); IList keyList = (IList)Activator.CreateInsta...
Execute Python script via crontab
...e and follow the tutorial here.
Look at point 3 for a guide on how to specify the frequency.
Based on your requirement, it should effectively be:
*/10 * * * * /usr/bin/python script.py
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How to create a backup of a single table in a postgres database?
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with a slightly different sudo twist to this I ended up with a permission error on the file dump (logical enough since user postgres does not have write access on my directories) and I had an unknown flag error for --ignore-version. Prashan...
How to terminate a window in tmux?
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Kent's response fully answered your question, however if you are looking to change tmux's configuration to be similar to GNU Screen, here's a tmux.conf that I've used to accomplish this:
# Prefix key
set -g prefix C-a
unbind C-b
bind C-a send-prefix
# Keys
bind k confirm kill-...
No increment operator (++) in Ruby? [duplicate]
... Regarding point #3, since most things are objects, imagine if Ruby allowed you to do this: 1++ 1+2 # Would not be 3!
– Johntron
Feb 5 '13 at 13:46
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Android: open activity without save into the stack
...ddFlags(Intent.FLAG_ACTIVITY_NO_HISTORY); instead. There is no functional difference.
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Can a dictionary be passed to django models on create?
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If title and body are fields in your model, then you can deliver the keyword arguments in your dictionary using the ** operator.
Assuming your model is called MyModel:
# create instance of model
m = MyModel(**data_dict)
# d...
How to initialize std::vector from C-style array?
...It's a quality of implementation issue. Since iterators have tags that specify their categories, an implementation of assign is certainly free to use them to optimize; at least in VC++, it does indeed do just that.
– Pavel Minaev
Mar 14 '10 at 1:33
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