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How do you delete an ActiveRecord object?
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Qortex
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answered Nov 14 '10 at 13:41
Marek SapotaMarek Sa...
stl multimap用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...入：跟普通map相似
mapTest.insert(PairTest(1, _T("a")));
mapTest.insert(PairTest(1, _T("b")));
mapTest.insert(PairTest(1, _T("c")));
mapTest.insert(PairTest(2, _T("a")));
遍历：主要思路为根据key，multimap的特点为key是可以重复...
A fast method to round a double to a 32-bit int explained
...s source code, I noticed that Lua uses a macro to round a double to a 32-bit int . I extracted the macro , and it looks like this:
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Using pickle.dump - TypeError: must be str, not bytes
... Jon Clements♦Jon Clements
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25
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Python: most idiomatic way to convert None to empty string?
...is way
– user25064
Jul 11 '14 at 19:32
16
This doesn't work if s is 0, False, or any falsy value
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What is a mixin, and why are they useful?
... and `==`,
but this class does NOT implement those methods."""
def __ne__(self, other):
return not (self == other)
def __lt__(self, other):
return self <= other and (self != other)
def __gt__(self, other):
return not self <= other
def __ge__(self, ot...
How to best display in Terminal a MySQL SELECT returning too many fields?
...0.01 sec)
– Quy Tang
May 5 '17 at 8:32
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show 1 more comment
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Configuring Vim for C++
...000/svg\"\u003e\u003cpath 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 4...
Elegant Python function to convert CamelCase to snake_case?
...se
import re
name = 'CamelCaseName'
name = re.sub(r'(?<!^)(?=[A-Z])', '_', name).lower()
print(name) # camel_case_name
If you do this many times and the above is slow, compile the regex beforehand:
pattern = re.compile(r'(?<!^)(?=[A-Z])')
name = pattern.sub('_', name).lower()
To handle mor...
How do I set the size of Emacs' window?
...4
JB.JB.
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