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How to check if PHP array is associative or sequential?
... no such thing as an array key of "8" because it will always be (silently) converted to the integer 8. So trying to differentiate between integers and numeric strings is unnecessary.
If you want the most efficient way to check an array for non-integer keys without making a copy of part of the array...
Executing periodic actions in Python [duplicate]
...tion as a single thread is a trivial (but often important) extension, some systems also use dedicated data structures so that many events can be scheduled on a single thread (which is not so trivial).
– Michael Anderson
Oct 29 '14 at 0:28
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What is object serialization?
...ed across a communication link. The byte stream can then be deserialized - converted into a replica of the original object.
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What is BSON and exactly how is it different from JSON?
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No, the MongoDB driver for your language takes care of converting the document into data types appropriate for your language. Native data types are used as much as possible.
– JohnnyHK
Sep 15 '12 at 15:24
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Converting Go struct to JSON
I am trying to convert a Go struct to JSON using the json package but all I get is {} . I am certain it is something totally obvious but I don't see it.
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What is the difference between vmalloc and kmalloc?
...l memory) and are mapped directly to physical addresses (use __pa macro to convert it). This property implies kmalloced memory is continuous memory.
In other hand, Vmalloc is able to return virtual addresses from "high memory". These addresses cannot be converted in physical addresses in a direct f...
How to get current time in milliseconds in PHP?
...a string here to prevent loss of precision
// in case of "overflow" (PHP converts it to a double)
return sprintf('%d%03d', $comps[1], $comps[0] * 1000);
}
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Is short-circuiting logical operators mandated? And evaluation order?
...&& operator groups left-to-right. The operands are both implicitly converted to type bool (clause 4).
The result is true if both operands are true and false otherwise. Unlike &, && guarantees left-to-right
evaluation: the second operand is not evaluated if the first operand i...
What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...oesn't understand these new List<something>, so you have to manually convert things back to plain old List to interoperate with them. This is not that big of a problem, because C# 2.0 binary code is not backwards compatible. The only time this will ever happen is if you're upgrading some old C...
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
...ts to iterate over when doing this, and your [corrected] example is easily converted over.
The code below:
String[] name = {"tom", "dick", "harry"};
for(int i = 0; i< name.length; i++) {
System.out.print(name[i] + "\n");
}
...is equivalent to this:
String[] name = {"tom", "dick", "harry"...