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How does java do modulus calculations with negative numbers?
... Mark ByersMark Byers
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'^M' character at end of lines
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Ionică Bizău
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answered Sep 15 '08 at 17:32
Bernie Per...
How can I randomize the lines in a file using standard tools on Red Hat Linux?
...entations.
– Jim T
May 21 '09 at 11:46
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The feature was committed on 10th December 2005, the rel...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...018s $ \time ps PID TTY TIME CMD 9437 pts/19 00:00:00 bash 11461 pts/19 00:00:00 time 11462 pts/19 00:00:00 ps 0.00user 0.01system 0:00.02elapsed 95%CPU (0avgtext+0avgdata 2160maxresident)k 0inputs+0outputs (0major+103minor)pagefaults 0swaps $
– kaiwan
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how to listen to N channels? (dynamic select statement)
...elect 20 81911344 ns/op
ok command-line-arguments 9.463s
Benchmark code here
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What algorithms compute directions from point A to point B on a map?
...does work, with a couple of modifications:
Instead of doing Dijkstra's once from source to dest, you start at each end, and expand both sides until they meet in the middle. This eliminates roughly half the work (2*pi*(r/2)^2 vs pi*r^2).
To avoid exploring the back-alleys of every city between your...
What is private bytes, virtual bytes, working set?
...incorrect.
– Jay Zhu
Apr 2 '10 at 9:46
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Actually, I beleive the write understanding is "Working ...
Is “inline” without “static” or “extern” ever useful in C99?
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Fred FooFred Foo
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How to create Android Facebook Key Hash?
...ore" | "C:\OpenSSL\bin\openssl" sha1 -binary |"C:\OpenSSL\bin\openssl" base64
it will ask for password, put android
that's all. u will get a key-hash
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How to deal with SettingWithCopyWarning in Pandas?
...ers. For example,
df[df.A > 5]['B']
1 3
2 6
Name: B, dtype: int64
And,
df.loc[df.A > 5, 'B']
1 3
2 6
Name: B, dtype: int64
These return the same result, so if you are only reading these values, it makes no difference. So, what is the issue? The problem with chained assignm...