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What's the difference between UTF-8 and UTF-8 without BOM?
...t the start of a text stream (0xEF, 0xBB, 0xBF) that allows the reader to more reliably guess a file as being encoded in UTF-8.
Normally, the BOM is used to signal the endianness of an encoding, but since endianness is irrelevant to UTF-8, the BOM is unnecessary.
According to the Unicode standard,...
Why are `private val` and `private final val` different?
...ght-hand side get inlined into bytecode as constants. That engenders a performance benefit sure, but it causes binary compatibility of the definition to break if the "constant" ever changed. When defining a final static variable whose value might need to change, Java programmers have to resort to ha...
Self-references in object literals / initializers
Is there any way to get something like the following to work in JavaScript?
23 Answers
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Convert JS date time to MySQL datetime
... tools to do this, it's pretty clunky.
/**
* You first need to create a formatting function to pad numbers to two digits…
**/
function twoDigits(d) {
if(0 <= d && d < 10) return "0" + d.toString();
if(-10 < d && d < 0) return "-0" + (-1*d).toString();
ret...
How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
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Does it make sense to do “try-finally” without “catch”?
...
public void yourMethod() throws YourException {
try {
db.store(mydata);
} finally {
db.cleanup();
}
}
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Is there a 'foreach' function in Python 3?
...et the situation I can do it in javascript, I always think if there's an foreach function it would be convenience. By foreach I mean the function which is described below:
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Number of occurrences of a character in a string [duplicate]
...
You could do this:
int count = test.Split('&').Length - 1;
Or with LINQ:
test.Count(x => x == '&');
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What's the reason I can't create generic array types in Java?
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It's because Java's arrays (unlike generics) contain, at runtime, information about its component type. So you must know the component type when you create the array. Since you don't know what T is at runtime, you can't create the array.
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Default initialization of std::array?
...tialization is specified; the C++ language guarantees you that any object for which you do not provide an explicit initializer will be default initialized (C++11 §8.5/11). That includes objects of type std::array<T, N> and T[N].
Be aware that there are types for which default initialization ...