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How does the Java 'for each' loop work?
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Frustratingly, java.util.Iterator does not implement Iterable so you can't for(String s : (Iterator<String>)foo). I understand why this is, but it is irritating.
– Christopher Schultz
Oct 18 '19 at 20:21
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Why can't I define a default constructor for a struct in .NET?
...LR.
The CLR allows value types to have parameterless constructors, but C# doesn't. I believe this is because it would introduce an expectation that the constructor would be called when it wouldn't. For instance, consider this:
MyStruct[] foo = new MyStruct[1000];
The CLR is able to do this very ...
How can I parse a JSON file with PHP? [duplicate]
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Does this approach offer any special advantage over good old foreach?
– Álvaro González
Dec 3 '10 at 8:32
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Why does Maven have such a bad rep? [closed]
...work connection.
Maven has useless error messages. Compare ant's "Target x does not exist in the project y" to mvn's "Invalid task 'run': you must specify a valid lifecycle phase, or a goal in the format plugin:goal or pluginGroupId:pluginArtifactId:pluginVersion:goal" Helpfully, it suggests I run m...
What does the explicit keyword mean?
What does the explicit keyword mean in C++?
11 Answers
11
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What is the difference between MOV and LEA?
... immediate values or registers. AFAICT lea only performs a computation, it doesn't load anything, where loading means touching memory?
– Joseph Garvin
Jun 25 '17 at 1:01
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How does JavaScript handle AJAX responses in the background?
... may be implemented with threads or it may also be event driven itself (it doesn't really matter). The point of the implementation is that when the ajax response is done, some native code will know it's done and put an event into the JS queue.
If no Javascript is running at the time, the event w...
Does MySQL included with MAMP not include a config file?
...find the my.cnf or other config file for the MySQL that comes with MAMP . Does it not include one?
6 Answers
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What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...f that object going away and it pointing to bad memory, whereas the latter doesn't retain the object and automatically sets itself to nil when its target is deallocated. Of the two, __weak is generally preferred on platforms that support it.
You would use these qualifiers for things like delegates...
Can you use if/else conditions in CSS?
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In regards to what deceze said, that doesn't mean you can't have a dynamically changing website. The styles sheets can remain the static, and you can change element classes using javascript with or without jquery or PHP that way the elements styling can change....