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Why is require_once so bad to use?
... }
?>
I didn't find much difference when running this with require vs. require_once. In fact, my initial tests seemed to imply that require_once was slightly faster, but I don't necessarily believe that. I repeated the experiment with 10000 input files. Here I did see a consistent differenc...
Why are elementwise additions much faster in separate loops than in a combined loop?
...a point" of the truth.
That's why I combined his test (using a continuous vs. separate allocation) and @James' Answer's advice.
The graphs below shows, that most of the answers and especially the majority of comments to the question and answers can be considered completely wrong or true depending ...
Byte order mark screws up file reading in Java
...provide the option to discard BOM by default.
– MxLDevs
Apr 30 '18 at 19:09
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How to read a (static) file from inside a Python package?
..._init__.py files to be added in resource subdirectories. The only downside vs pkgutil that I can see is that these new APIs haven't yet arrived in stdlib, so there is still a third-party dependency. Newer APIs from importlib_resources should arrive to stdlib importlib.resources in Python 3.9.
Exampl...
What is RSS and VSZ in Linux memory management
What are RSS and VSZ in Linux memory management? In a multithreaded environment how can both of these can be managed and tracked?
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Which is more preferable to use: lambda functions or nested functions ('def')?
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For n=1000 here's some timeit's of calling a function vs a lambda:
In [11]: def f(a, b):
return a * b
In [12]: g = lambda x, y: x * y
In [13]: %%timeit -n 100
for a in xrange(n):
for b in xrange(n):
f(a, b)
....:
100 loops, best of 3: 285 ms per loop
In...
How do you do a deep copy of an object in .NET? [duplicate]
...lative performance difference (4.77 seconds for deep nested MemberwiseCopy vs. 39.93 seconds for Serialization). Using nested MemberwiseCopy is almost as fast as copying a struct, and copying a struct is pretty darn close to the theoretical maximum speed .NET is capable of, which is probably quite c...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...iggering layout at the time that a view transform is applied.]
Autolayout vs. View Transforms
Autolayout does not play at all well with view transforms. The reason, as far as I can discern, is that you're not supposed to mess with the frame of a view that has a transform (other than the default id...
std::vector versus std::array in C++
... Yes. There isn't a significant advantage to using new std::array vs new std::vector.
– Mark Lakata
Jan 18 '17 at 18:34
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What is the difference between active and passive FTP?
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Redacted version of my article FTP Connection Modes (Active vs. Passive):
FTP connection mode (active or passive), determines how a data connection is established. In both cases, a client creates a TCP control connection to an FTP server command port 21. This is a standard outgoing c...