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Explain the use of a bit vector for determining if all characters are unique
...it in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences between them:
Size. int has fixed size, usually 4 bytes which means 8*4=32 bits (flags). Bit vector usually can be of dif...
How to determine the current shell I'm working on
...nd that if you do this from within a subshell then it can lead to spurious extra lines by matching the parent's PID as well as the actual shell process. For this, I use -q instead of -p: SHELL=$(ps -ocomm= -q $$)
– Steve
Dec 28 '17 at 23:09
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How does Go compile so quickly?
...ed around the Go website, but I can't seem to find an explanation for Go's extraordinary build times. Are they products of the language features (or lack thereof), a highly optimized compiler, or something else? I'm not trying to promote Go; I'm just curious.
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How to generate XML file dynamically using PHP?
...ieve, SimpleXMLElement will do the right thing: converting all the queried string values to your mb_internal_encoding.
– Ivan Krechetov
Jan 29 '13 at 9:07
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Correct way of using JQuery-Mobile/Phonegap together?
...iginal HTML document before jquery.mobile loads. In this case hiding it an extra half second of empty space is preferred to seeing the unstyled document.
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Cannot refer to a non-final variable inside an inner class defined in a different method
...access the variables.
@Ankur: You could do this:
public static void main(String args[]) {
int period = 2000;
int delay = 2000;
Timer timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
// Variables as member variables instead of local variables in main()
...
How to set custom favicon in Express?
...e path stuff and namely that path.join(__dirname, "public") results in the strings concatenated without a separator? The smaller the sample the quicker we can fix this (so if you can please just the join part).
– Benjamin Gruenbaum
Aug 1 '16 at 12:56
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What is the difference between canonical name, simple name and class name in Java Class?
...rst.
I did this:
class ClassNameTest {
public static void main(final String... arguments) {
printNamesForClass(
int.class,
"int.class (primitive)");
printNamesForClass(
String.class,
"String.class (ordinary class)");
print...
Is it better in C++ to pass by value or pass by constant reference?
...or large objects that implement proper move constructors (such as vectors, strings …), the second case is then vastly more efficient than the first. Therefore, it is recommended to use pass by value if the function takes ownership of the argument, and if the object type supports efficient moving.
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Should we @Override an interface's method implementation?
...prohibited the annotation, with 1.6 it doesn't. The annotation provides an extra compile-time check, so if you're using 1.6 I'd go for it.
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follo...