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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
... function.
The way it is phrased I wouldn't be surprised if array_push is more efficient when adding multiple values. EDIT: Out of curiosity, did some further testing, and even for a large amount of additions, individual $array[] calls are faster than one big array_push. Interesting.
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How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
...pe id equal to 3 in the query statement just couple of lines above.
Some more reading:
session factory configuration
problem with closed session
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Checking whether a variable is an integer or not [duplicate]
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Collection versus List what should you use on your interfaces?
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How to initialise memory with new operator in C++?
...rom people that do not bother to read the comments below, I should make it more clear that this answer does not say that vector is always the right answer. But it sure is a more C++ way than "manually" making sure to delete an array.
Now with C++11, there is also std::array that models a constant s...
Adding values to a C# array
...rms = termsList.ToArray();
Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around 2 times cheaper than looping on List<T>, c) looping on array using for is 5 times cheaper than looping on List<T> using ...
Is Response.End() considered harmful?
... I cannot think but that Web Forms is broken by design. What is more performance degrading, calling Response.End() or letting the page load everything and then suppress the response? I cannot see where Response.End() is "more" harmful here. Moreover, Microsoft treats `ThreadAbortedExcepti...
Pattern to avoid nested try catch blocks?
Consider a situation where I have three (or more) ways of performing a calculation, each of which can fail with an exception. In order to attempt each calculation until we find one that succeeds, I have been doing the following:
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How to extract numbers from a string and get an array of ints?
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Pattern p = Pattern.compile("-?\\d+");
Matcher m = p.matcher("There are more than -2 and less than 12 numbers here");
while (m.find()) {
System.out.println(m.group());
}
... prints -2 and 12.
-? matches a leading negative sign -- optionally. \d matches a digit, and we need to write \ as \\...
Is recursion ever faster than looping?
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Also, recursion is, in general, the more natural approach in functional languages, and iteration is normally more intuitive in imperative languages. The performance difference is unlikely to be noticeable, so just use whatever feels more natural for that partic...