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In what order do static/instance initializer blocks in Java run?
....4).
T is a top level class (§7.6), and an assert statement (§14.10) lexically nested within T (§8.1.3) is executed.
(and several weasel-word clauses)
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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...it's better to use $array[] = because in that way there is no overhead of calling a 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, indiv...
java.util.regex - importance of Pattern.compile()?
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The compile() method is always called at some point; it's the only way to create a Pattern object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, lik...
Maintain the aspect ratio of a div with CSS
I want to create a div that can change its width/height as the window's width changes.
27 Answers
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Boolean method naming readability
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"makes your {method call} far more like natural english" sounds like a great test for rational naming across the board. clarified my thinking on the matter - thanks!
– cori
Jun 2 '11 at 12:06
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Should I use document.createDocumentFragment or document.createElement
...n> into the DOM. Is that why I should use createDocumentFragment? To avoid unnecessary elements being inserted into the DOM?
– screenm0nkey
Aug 3 '10 at 15:36
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How do I drop table variables in SQL-Server? Should I even do this?
...nd of patch or scope, it's dropped automatically only if it was created inside stored procedure and stored procedure finished executing
– Abou-Emish
Oct 18 '17 at 18:52
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How to quit a java app from within the program
...vention, a nonzero status code indicates abnormal termination.
This method calls the exit method in class Runtime. This method never returns normally.
The call System.exit(n) is effectively equivalent to the call:
Runtime.getRuntime().exit(n)
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What underlies this JavaScript idiom: var self = this?
...s and has the potential to cause errors if you are not careful.
What you call the variable doesn't particularly matter. var that = this; is fine, but there's nothing magic about the name.
Functions declared inside a context (e.g. callbacks, closures) will have access to the variables/function dec...
Check if a class has a member function of a given signature
...void ReportMemUsage(const TMap& m, std::true_type)
{
// We may call used_memory() on m here.
}
template<typename TMap>
void ReportMemUsage(const TMap&, std::false_type)
{
}
template<typename TMap>
void ReportMemUsage(const TMap& m)
{
ReportMemUsage(m,
std...