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Fast permutation -> number -> permutation mapping algorithms
...ke of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
12...
Inline labels in Matplotlib
...th d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 ...
Differences between Java 8 Date Time API (java.time) and Joda-Time
...ly the modern calendar since 1871!) and ThaiBuddhist (only correct after 1940).
Joda-Time offers an Islamic calendar based on calculatory base - not a sighting-based calendar like Umalqura. Thai-Buddhist is also offered by Joda-Time in a similar form, Minguo and the japanese one not. Otherwise Joda...
How to get client's IP address using JavaScript?
...
840
I would use a web service that can return JSON (along with jQuery to make things simpler). Belo...
How to parse freeform street/postal address out of text, and into components
...ived (but complete) addresses:
1) 102 main street
Anytown, state
2) 400n 600e #2, 52173
3) p.o. #104 60203
Even these are possibly valid:
4) 829 LKSDFJlkjsdflkjsdljf Bkpw 12345
5) 205 1105 14 90210
Obviously, these are not standardized. Punctuation and line breaks not guaranteed. Here'...
Hidden Features of MySQL
...lot of connections.
MySQL binaries for Linux/x86 allow you to have up to 4096 concurrent connections, but self compiled binaries often have less of a limit.
Set table_cache to match the number of your open tables and concurrent connections. Watch the open_tables value and if it is growing quickly...
How useful/important is REST HATEOAS ( maturity level 3)?
...th d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 ...
A semantics for Bash scripts?
...
philwalkphilwalk
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add a comme...
Differences and relationship between glActiveTexture and glBindTexture
...th d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 ...
Create an index on a huge MySQL production table without table locking
...Source distribution
Output (notice how the 6th operation blocks for the ~400ms it takes to finish the index update):
1 real 0m0.009s
2 real 0m0.009s
3 real 0m0.009s
4 real 0m0.012s
5 real 0m0.009s
Index Update - START
Index Update - FINISH
6 real 0m0.388s
7 real ...