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How do you echo a 4-digit Unicode character in Bash?
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In UTF-8 it's actually 6 digits (or 3 bytes).
$ printf '\xE2\x98\xA0'
☠
To check how it's encoded by the console, use hexdump:
$ printf ☠ | hexdump
0000000 98e2 00a0
0000003
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How to access property of anonymous type in C#?
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Greg BeechGreg Beech
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add ...
Python Sets vs Lists
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236
It depends on what you are intending to do with it.
Sets are significantly faster when it come...
Colorizing text in the console with C++
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SheenSheen
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How can I custom-format the Autocomplete plug-in results?
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13 Answers
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...ion. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and I loop 300 times. I measure times using Boost.timer. That 300 loop counter is enough to completely stabilize my results. I ran the test 5 times each, alternating between the memcpy version and the std::copy ver...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
Do I need to explicitly call the base virtual destructor?
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483
No, destructors are called automatically in the reverse order of construction. (Base classes las...
Which version of PostgreSQL am I running?
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edited Oct 24 '17 at 3:42
answered Dec 5 '12 at 22:42
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ObjectiveC Parse Integer from String
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edited Mar 1 '13 at 17:15
answered Aug 25 '10 at 17:36
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