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What's the best way to join on the same table twice?
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HLGEMHLGEM
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Why does Clojure have “keywords” in addition to “symbols”?
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Arthur UlfeldtArthur Ulfeldt
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What's the difference between libev and libevent?
...using small watchers for each event type (an I/O watcher uses 56 bytes on x86_64 compared to 136 for libevent), allowing extra event types such as timers based on wallclock vs. monotonic time, inter-thread interruptions, prepare and check watchers to embed other event loops or to be embedded and so ...
Pull request vs Merge request
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MR is just better name all around. Pull Request never made sense to me untill I read your explanation of it being first action, while I und...
When to use reinterpret_cast?
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leiyc
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answered Feb 21 '09 at 16:42
jalfjalf
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Array or List in Java. Which is faster?
... jmh benchmarking library (times in nanoseconds) with JDK 7 on a standard x86 desktop machine. Note that ArrayList are never resized in the tests to make sure results are comparable. Benchmark code available here.
Array/ArrayList Creation
I ran 4 tests, executing the following statements:
createArr...
Rails: FATAL - Peer authentication failed for user (PG::Error)
...le versions are available
psql=# select VERSION();
PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1
Now Open postgres user
vim /etc/postgresql/9.1/main/pg_hba.conf
9.1 is version return form upper command
and replace
local all postgres ...
Change MySQL default character set to UTF-8 in my.cnf?
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Michal M
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answered Aug 18 '10 at 15:34
NinjaCatNinjaCat
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Is the VC++ code DOM accessible from VS addons?
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Ira BaxterIra Baxter
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Convert a String In C++ To Upper Case
... ASCII character set.
Speedup comparisons:
Preliminary testing with x86-64 gcc 5.2 -O3 -march=native on a Core2Duo (Merom). The same string of 120 characters (mixed lowercase and non-lowercase ASCII), converted in a loop 40M times (with no cross-file inlining, so the compiler can't optimize a...