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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...GContextDrawImage method gets the underlying raw image data with no understanding of orientation.
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Pass a parameter to a fixture function
...ter.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
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How do I extract a sub-hash from a hash?
...:d=>:D}
h1 = Hash[h1.to_a - h2.to_a] # => {:a=>:A, :c=>:C}
And if you want to patch that into the Hash class:
class Hash
def extract_subhash(*extract)
h2 = self.select{|key, value| extract.include?(key) }
self.delete_if {|key, value| extract.include?(key) }
h2
end
en...
How to use custom packages
I'm trying to create and use a custom package in Go. It's probably something very obvious but I cannot find much information about this. Basically, I have these two files in the same folder:
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How does OAuth 2 protect against things like replay attacks using the Security Token?
As I understand it, the following chain of events occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
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How to check if a String contains another String in a case insensitive manner in Java?
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@user01 correctness comes before performance, and using toLowerCase will give potentially incorrect results (for example, when comparing certain Greek text containing the letter Sigma, which has two lowercase forms for the same uppercase form).
– Kl...
Flatten nested dictionaries, compressing keys
...iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step.
import collections
def flatten(d, parent_key='', sep='_'):
items = []
for k, v in d.items():
new_key = parent_key + sep + k if parent_key else k
if isinstan...
Is it possible to override JavaScript's toString() function to provide meaningful output for debuggi
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That is pretty handy. The output can be a bit huge I imagine, but works in a pinch!
– devios1
Jun 10 '11 at 14:36
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SQlite Getting nearest locations (with latitude and longitude)
I have data with latitude and longitude stored in my SQLite database, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
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Struct Constructor in C++?
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In C++ the only difference between a class and a struct is that members and base classes are private by default in classes, whereas they are public by default in structs.
So structs can have constructors, and the syntax is the same as for classes.
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