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looping through an NSMutableDictionary
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Another way is to use the Dicts Enumerator. Here is some sample code from Apple:
NSEnumerator *enumerator = [myDictionary objectEnumerator];
id value;
while ((value = [enumerator nextObject])) {
/* code that acts on the dictionary’s values */
}
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Subset of rows containing NA (missing) values in a chosen column of a data frame
We have a data frame from a CSV file. The data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data.
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Why can I type alias functions and use them without casting?
...stinction which is not clear in lytnus's answer.
Named Type is different from Unnamed Type.
Variable of Named Type is assignable to variable of Unnamed Type, vice versa.
Variable of different Named Type is not assignable to each other.
http://play.golang.org/p/uaYHEnofT9
import (
"fmt"
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How do you log server errors on django sites
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Please update this answer. From django1.9 change-log: Django’s default logging configuration no longer defines ‘django.request’ and ‘django.security’ loggers.
– narendra-choudhary
Sep 10 '16 at 4:48
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Can't find how to use HttpContent
...4.5, you can use a .NET 4 version by adding the Microsoft.Net.Http package from NuGet
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How to copy yanked text to VI command prompt
...n paste it with shift-insert in the commandline.
Similarly, you can paste from the clipboard like this:
"*p
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Non-static method requires a target
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Had the same issue with values not loading and being set from an inherited controllers constructor, then being passed into a linq query in the constructor of a child controller and throwing this mysterious error!
– Shawson
Oct 3 '17 at 16:43
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What is a unix command for deleting the first N characters of a line?
...haracters
file.txt: input file
new_file.txt: output file
N-: Characters from N to end to be cut and output to the new file.
Can also have other args like: 'N' , 'N-M', '-M' meaning nth character, nth to mth character, first to mth character respectively.
This will perform the operation to each ...
How big should a UIBarButtonItem image be?
...ping the different asset sizes organized (and Xcode can even generate them from vector sources these days).
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Are single quotes allowed in HTML?
... the specification and it took me quite some time to find it, here it is:
From
HTML 5.3
Editor’s Draft, 18 October 2018
[...]
8.1.2.3. Attributes
Single-quoted attribute value syntax
The attribute name, followed by zero or more space characters, followed by a single ...