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Random string generation with upper case letters and digits
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Nem>x m>t
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The object cannot be deleted because it was not found in the ObjectStateManager
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It means that entity is not attached (it was not loaded by the same contem>x m>t instance). Try this:
protected MyEntities sqlEntities;
public virtual void Delete(TEntity entity)
{
sqlEntities.Attach(entity);
sqlEntities.DeleteObject(entity);
sqlEntities.SaveChanges();
}
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Set the absolute position of a view
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You can use RelativeLayout. Let's say you wanted a 30m>x m>40 ImageView at position (50,60) inside your layout. Somewhere in your activity:
// Some em>x m>isting RelativeLayout from your layout m>x m>ml
RelativeLayout rl = (RelativeLayout) findViewById(R.id.my_relative_layout);
ImageView iv...
convert double to int
...maller than the range of double. A cast from double to int won't throw an em>x m>ception if the value is outside the range of int in an unchecked contem>x m>t, whereas a call to Convert.ToInt32(double) will. The result of the cast (in an unchecked contem>x m>t) is em>x m>plicitly undefined if the value is outside the r...
get list from pandas dataframe column
I have an em>x m>cel document which looks like this..
7 Answers
7
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UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...ViewController (which is inside a UINavigationController) and it works as em>x m>pected (i.e. pull down fires the correct event). However, if I programmatically invoke the beginRefreshing instance method on the refresh control like:
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How to force GitHub Pages build?
... edited May 10 at 1:33
SUPERCILEm>X m>
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answered Jun 7 '14 at 16:34
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How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this em>x m>act purpose. It's idiomatic and performant, and I'd em>x m>pect it to become the norm very soon.
For em>x m>ample:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the bl...
Does Python support short-circuiting?
Does Python support short-circuiting in boolean em>x m>pressions?
3 Answers
3
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Creating an empty Pandas DataFrame, then filling it?
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Here's a couple of suggestions:
Use date_range for the indem>x m>:
import datetime
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
indem>x m> = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we cou...