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How does Python's super() work with multiple inheritance?
...mount of detail by Guido himself in his blog post Method Resolution Order (including two earlier attempts).
In your example, Third() will call First.__init__. Python looks for each attribute in the class's parents as they are listed left to right. In this case, we are looking for __init__. So, if y...
Immutable vs Unmodifiable collection
...t: the data structures still have all the overhead of mutable collections, including concurrent modification checks, extra space in hash tables, etc.
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RabbitMQ and relationship between channel and connection
... consumer to avoid conflicts with the activities of other threads or code (including publishing).
In terms of what you mean by consumer thread pool, I suspect that Java client is doing something similar to what I programmed my client to do (mine was based off the .Net client, but heavily modified)...
How to concatenate text from multiple rows into a single text string in SQL server?
... to do with creating the list, it just makes sure that NULL values are not included.
– Graeme Perrow
Feb 13 '09 at 12:02
18
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What is the fastest substring search algorithm?
...ly needles and haystacks. Profile the tests on several search algorithms, including brute force. Pick the one that performs best with your data.
Boyer-Moore uses a bad character table with a good suffix table.
Boyer-Moore-Horspool uses a bad character table.
Knuth-Morris-Pratt uses a partial ma...
OPTION (RECOMPILE) is Always Faster; Why?
... index idx01_datafeed_trans
On datafeed_trans ( feedid, feedDate)
INCLUDE( acctNo, tradeDate)
if the plan is stable or you can stabilize it you can execute the sentence with sp_executesql('sql sentence') to save and use a fixed execution plan.
if the plan is unstable you have to use a...
How can I use NSError in my iPhone App?
...error messages. I've used 2 macros in my Constants+Macros.h file. I always include this file in the prefix header (MyApp-Prefix.pch) for convenience.
Constants+Macros.h
// error handling ...
#define FS_ERROR_KEY(code) [NSString stringWithFormat:@"%d", code]
#define FS_ERROR_LOC...
iPhone App Icons - Exact Radius?
...e precise number that was entered.
Anyhow, I've updated the list above to include just 3 digits after the decimal point (before there were 13!). In most situations it would probably be hard to tell the difference between a transparent 512px icon masked at a 90px radius and one masked at 89.825, but...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...ted in knowing what you discover. I've seen the site, but wasn't going to include them for several reasons, which you may be able to address if you sign up. These are 1: the pricing is opaque (one has to sign up for a free trial before seeing the pricing plans), 2: it looks like pricing is not bas...
First-time database design: am I overengineering? [closed]
...n based application environment your performance improvement options might include refactoring your stored procedures and table structures to the nth degree, or developing a caching strategy for small amounts of commonly requested data. In a reporting environment you can certainly do this but you c...