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How do I make my string comparison case insensitive?
...e best would be using s1.equalsIgnoreCase(s2): (see javadoc)
You can also convert them both to upper/lower case and use s1.equals(s2)
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CharSequence VS String in Java?
...ne such class, a concrete implementation of CharSequence.
You said:
converting from one to another
There is no converting from String.
Every String object is a CharSequence.
Every CharSequence can produce a String. Call CharSequence::toString. If the CharSequence happens to be a String, ...
When to use std::size_t?
...ff_t is long on 32 and 64 bit systems.
This means that you always have to convert to and from size_t whenever you interact with a std::containers, which not very beautiful. But on a going native conference the authors of c++ mentioned that designing std::vector with an unsigned size_t was a mistake...
Swift double to string
...g = double.description
update Xcode 7.1 • Swift 2.1:
Now Double is also convertible to String so you can simply use it as you wish:
let double = 1.5
let doubleString = String(double) // "1.5"
Swift 3 or later we can extend LosslessStringConvertible and make it generic
Xcode 11.3 • Swift 5.1 ...
Is it safe to use -1 to set all bits to true?
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why is -1 guaranteed to be converted to all ones? Is that guaranteed by the standard?
– jalf
Apr 30 '09 at 22:11
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What happens when a computer program runs?
...lso note, these aren't actual lines of C code executing. The compiler has converted them into machine language instructions in your executable. They are then (generally) copied from the TEXT area into the CPU pipeline, then into the CPU registers, and executed from there. [This was incorrect. Se...
Why does this assert throw a format exception when comparing structures?
...e expected and actual values themselves end up with braces in, after being converted to a string - which they do for Size. For example, your first size ends up being converted to:
{Width=0, Height=0}
So the second level of formatting is something like:
string.Format("Expected: {Width=0, Height=0...
Is the practice of returning a C++ reference variable evil?
...const&", what actually happens is that the return statement implicitly converts the temp, which is of type T, to type "T const&" as per 6.6.3.2 (a legal conversion but one which does not extend lifetime), and then the calling code initialises the ref of type "T const&" with the function'...
Fast way to get image dimensions (not filesize)
...ng 20-60 KB read by "identify" for 5-335 MB images (I also tested against "convert" which showed all bytes being read). So it looks like "identify" is a good choice here (since it supports all popular formats and reads just the header).
– coderforlife
Feb 12 '1...
What is a JavaBean exactly?
...s to (and implies that it is capable of) "serialization" -- a process that converts an instance into a stream of bytes. Those bytes can be stored in files, sent over a network connection, etc, and have enough info to allow a JVM (at least, one that knows about the object's type) to reconstruct the ...