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std::string to char*
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It won't automatically convert (thank god). You'll have to use the method c_str() to get the C ...
Swift days between two NSDates
...onsider the time difference as well. For example if you compare the dates 2015-01-01 10:00 and 2015-01-02 09:00, days between those dates will return as 0 (zero) since the difference between those dates is less than 24 hours (it's 23 hours).
If your purpose is to get the exact day number between tw...
MySQL, better to insert NULL or empty string?
...re differences:
A LENGTH of NULL is NULL, a LENGTH of an empty string is 0.
NULLs are sorted before the empty strings.
COUNT(message) will count empty strings but not NULLs
You can search for an empty string using a bound variable but not for a NULL. This query:
SELECT *
FROM mytable
WHERE ...
How to check if APK is signed or “debug build”?
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Getting all types that implement an interface
... reflection, how can I get all types that implement an interface with C# 3.0/.NET 3.5 with the least code, and minimizing iterations?
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Maven Run Project
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edited Jun 20 '18 at 16:17
Nadjib Mami
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Why are there no ++ and -- operators in Python?
...ed as much as in other languages. You don't write things like for(int i = 0; i < 10; ++i) in Python very often; instead you do things like for i in range(0, 10).
Since it's not needed nearly as often, there's much less reason to give it its own special syntax; when you do need to increment, += ...
Func delegate with no return type
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edited Dec 4 '17 at 17:07
mantale
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... Zim
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AkutaAkuta
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How do I loop through a list by twos? [duplicate]
...You can use for in range with a step size of 2:
Python 2
for i in xrange(0,10,2):
print(i)
Python 3
for i in range(0,10,2):
print(i)
Note: Use xrange in Python 2 instead of range because it is more efficient as it generates an iterable object, and not the whole list.
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