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Best way to change the background color for an NSView
...s with a partially- (or fully-)transparent color, use NSRectFillUsingOperation developer.apple.com/mac/library/documentation/Cocoa/Reference/… with the NSCompositeSourceOver operation.
– Peter Hosey
Jun 3 '10 at 6:01
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Constants in Objective-C
...n use extern instead of FOUNDATION_EXPORT if your code will not be used in mixed C/C++ environments or on other platforms)
You can include this file in each file that uses the constants or in the pre-compiled header for the project.
You define these constants in a .m file like
// Constants.m
NSS...
is not JSON serializable
...nt_type="application/json")
In your case, self.get_queryset() contains a mix of django objects and dicts inside.
One option is to get rid of model instances in the self.get_queryset() and replace them with dicts using model_to_dict:
from django.forms.models import model_to_dict
data = self.get_...
Converting stream of int's to char's in java
...t. He is using Reader's read method: java.sun.com/j2se/1.4.2/docs/api/java/io/Reader.html#read() The question he is asking is how to convert value returned by this method into char.
– Vanuan
May 7 '09 at 21:43
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Working with README.md on github.com [closed]
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The markup in question is coincidentally called Markdown, created by John Gruber, author of the Daring Fireball blog. The original source of Markdown can be found at Daring Fireball - Markdown.
There are many Markdown dialects, the document...
Python: Get the first character of the first string in a list?
...t; myarray[0][1:3]
'la'
Many people get tripped up here because they are mixing up operators of Python list objects and operators of Numpy ndarray objects:
Numpy operations are very different than python list operations.
Wrap your head around the two conflicting worlds of Python's "list slicin...
Is sizeof(bool) defined in the C++ language standard?
... you have defined structure members of type bool in Visual C++ 4.2 and are mixing object files (OBJ) and/or DLLs built with the 4.2 and 5.0 or later compilers."
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Best way to convert strings to symbols in hash
... you can use:
my_hash.transform_keys(&:to_sym)
Using older Ruby version? Here is a one-liner that will copy the hash into a new one with the keys symbolized:
my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
With Rails you can use:
my_hash.symbolize_keys
my_hash.deep_sym...
TFS: Updating branch with changes from main
...ution, build breaks, test breaks) as their own changeset. That is, do not mix other feature work with merges. Granular changesets make it much easier to review source control history, and to identify a single change of interest. Keeping merge work in its own changeset helps work toward that goal....
How to check if an NSDictionary or NSMutableDictionary contains a key?
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That's not possible. You can't add nil to a NSDictionary. You would have to use [NSNull null] instead.
– Ole Begemann
May 6 '10 at 21:39
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