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Meaning of 'const' last in a function declaration of a class?
... that is often broken and easily broken.
foobar& fbNonConst = const_cast<foobar&>(fb1);
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How do I get Windows to go as fast as Linux for compiling C++?
...ng, you're not going to get more than partisan comments (which I won't do) and speculation (which is what I'm going to try).
File system - You should try the same operations (including the dir) on the same filesystem. I came across this which benchmarks a few filesystems for various parameters.
Ca...
How do I create an empty array/matrix in NumPy?
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# Initialize your variable as an empty list first
In [32]: x=[]
# and now cast it as a numpy ndarray
In [33]: x=np.array(x)
The result will be:
In [34]: x
Out[34]: array([], dtype=float64)
Therefore you can directly initialize an np array as follows:
In [36]: x= np.array([], dtype=np.float64)...
Why are elementwise additions much faster in separate loops than in a combined loop?
Suppose a1 , b1 , c1 , and d1 point to heap memory and my numerical code has the following core loop.
10 Answers
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What is the maximum length of latitude and longitude? [closed]
... approximately 10cm precision, whilst only using 5 bytes of storage.
e.g. CAST(123.456789 as decimal(9,6)) as [LatOrLong]
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Convert a byte array to integer in Java and vice versa
...y. Before you performing & operation on byte with 0xFF (int), JVM will cast the byte to int with 1 extended or 0 extended according the the leading bit first. There's no unsigned byte in Java, bytes are always signed.
– Nier
Mar 24 '16 at 3:35
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IEnumerable to string [duplicate]
...Input
((IEnumerable<char>)RandomString(STRLEN)) (this is just an upcast)
Results
Concat: 0 ms
New: 2000 ms
StringBuilder: 2000 ms
Downcast: 0 ms
I ran this on an Intel i5 760 targeting .NET Framework 3.5.
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Can table columns with a Foreign Key be NULL?
... a little bit to remember what needs to be done.
If the data submitted is cast or interpreted as an empty string, it will fail. However, by explicitly setting the value to NULL when INSERTING or UPDATING, you're good to go.
But this is the fun of programming, isn't it? Creating our own problems a...
ArrayList initialization equivalent to array initialization [duplicate]
...he source for Arrays.asList, it constructs an ArrayList, but by default is cast to List. So you could do this (but not reliably for new JDKs):
ArrayList<String> list = (ArrayList<String>)Arrays.asList("Ryan", "Julie", "Bob")
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How do you simulate Mouse Click in C#?
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You need to cast the X and Y to uints.
– Dibesjr
Jan 5 '13 at 19:10
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