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What is the difference between Strategy design pattern and State design pattern?
... when these variants are implemented as a class hierarchy of algorithms [HO87].
an algorithm uses data that clients shouldn't know about. Use the Strategy pattern to avoid exposing complex, algorithm-specific data structures.
a class defines many behaviors, and these appear as multiple condition...
IIS Express Immediately shutting-down running site after stopping web application
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In VS2010 and VS2012, the edit and continue option is disabled by default when creating a new w...
pandas: How do I split text in a column into multiple rows?
...: %timeit (pd.DataFrame(df.col.str.split().tolist()))
10 loops, best of 3: 87.8 ms per loop
In [143]: %timeit (pd.DataFrame(list(df.col.str.split())))
10 loops, best of 3: 86.1 ms per loop
In [144]: %timeit (df.col.str.split(expand=True))
10 loops, best of 3: 156 ms per loop
In [145]: %timeit (pd...
What is the most efficient string concatenation method in python?
.../ intp.val), ))
The results:
# python2.7 concatenate_test.py
plus 0.360787868500 (90.81% as fast)
join 0.452811956406 (72.36% as fast)
form 0.502608060837 (65.19% as fast)
intp 0.327636957169 (100.00% as fast)
If I use a shorter domain and shorter path, interpolation still wins out. The differe...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...ame. It depends on the computer. Some FPUs have extended precision; the x87 chips had 32-bit single precision, 64-bit double precision, and 80-bit extended precision.
– Eric Jablow
Sep 24 '13 at 1:56
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Confusion: @NotNull vs. @Column(nullable = false) with JPA and Hibernate
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Vlad MihalceaVlad Mihalcea
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How to Customize a Progress Bar In Android
... android:endColor="#f4eef0"
android:startColor="#00938c87"
android:type="sweep"
android:useLevel="false" />
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Technically, why are processes in Erlang more efficient than OS threads?
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JonasJonas
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Why is the JVM stack-based and the Dalvik VM register-based?
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JonasJonas
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What is a PDB file?
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PDB is an abbreviation for Program Data Base. As the name suggests, it is a repository (persist...