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brew update: The following untracked working tree files would be overwritten by merge:

... 2 below git pull brew master // promising fast-forward report! brew update // see Note 3 below Overview: From what I can tell, the actual cause of this issue is a change in the repo url. It's now brew and was brew.git. (Ful...
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What's the point of having pointers in Go?

...ame a more productive, comfortable language when they were introduced." Fast compilation is a major design goal of the Go programming language; that has its costs. One of the casualties appears to be the ability to mark variables (except for basic compile time constants) and parameters as immutab...
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How slow are .NET exceptions?

...Nothing like connecting with a live debugger and just seeing exceptions as fast as you could read. Ex's are slow - so is connecting to a DB, so you do it when it makes sense. – Cory Foy Oct 2 '08 at 14:20 ...
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How to export all data from table to an insertable sql format?

... options to copy data from one table to another. There is a very short and fast way to insert all the records from one table to another (which might or might not have similar design). If you dont have identity column in table B_table: INSERT INTO A_db.dbo.A_table SELECT * FROM B_db.dbo.B_table I...
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)

...y case issue with different environments. Some environments can have very fast serialization and deserialization to/from msgpack/protobuf's, others not so much. In general, the more low-level the language/environment the better binary serialization will work. In higher level languages (node.js, ....
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Knight's Shortest Path on Chessboard

... as moron, said using the http://en.wikipedia.org/wiki/A*_algorithm can be faster. the fastest way, is to pre-calculate all the distances and save it to a 8x8 full matrix. well, I would call that cheating, and works only because the problem is small. But sometimes competitions will check how fast yo...
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Is it worth using Python's re.compile?

... loops, best of 3: 0.702 usec per loop So, it would seem to compiling is faster with this simple case, even if you only match once. share | improve this answer | follow ...
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Should I use #define, enum or const?

...owing solution is based on the fact that integer and bitwise operators are fast, low memory & low in flash usage. Place the enum in a namespace to prevent the constants from polluting the global namespace. namespace RecordType { An enum declares and defines a compile time checked typed. Alwa...
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Why use Ruby's attr_accessor, attr_reader and attr_writer?

...anually defined accessor does. In all of my tests, however, accessors are fast: an accessor takes about 820 nanoseconds (Ruby 1.8.7) or 440 nanoseconds (Ruby 1.9). At those speeds, you'll need to call an accessor hundreds of millions of times for the performance benefit of attr_accessor to improv...
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When to use MongoDB or other document oriented database systems? [closed]

...get benchmarks, I suggest you pipe your data to /dev/null, it will be very fast" :D – Pascal Thivent Oct 14 '10 at 17:54 3 ...