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Create an array with random values
...962890
function shuffle(array) {
var tmp, current, top = array.length;
if(top) while(--top) {
current = Math.floor(Math.random() * (top + 1));
tmp = array[current];
array[current] = array[top];
array[top] = tmp;
}
return array;
}
a = shuffle(a);
If you want to allow repeat...
Why would a static nested interface be used in Java?
...blic" on interface methods and "public final" on interface fields - the modifiers are redundant and just add clutter to the source code.
Either way, the developer is simply declaring an interface named Foo.Bar. There is no further association with the enclosing class, except that code which cannot ...
Java Class.cast() vs. cast operator
...t way in this case would be to do an instance of check first like this: if (cls.isInstance(o)){ return cls.cast(o); } Except if you're sure the type will be correct, of course.
– Puce
Jan 19 '12 at 8:57
...
std::string to char*
...ar *; you aren't allowed to change the C-style string returned by c_str(). If you want to process it you'll have to copy it first:
std::string str = "string";
char *cstr = new char[str.length() + 1];
strcpy(cstr, str.c_str());
// do stuff
delete [] cstr;
Or in modern C++:
std::vector<char>...
Why does integer overflow on x86 with GCC cause an infinite loop?
...umes you won't cause undefined behavior, and optimizes away the loop test. If you really want wraparound, pass -fwrapv to g++ or gcc when compiling; this gives you well-defined (twos-complement) overflow semantics, but can hurt performance.
...
Is it possible to use argsort in descending order?
...
If you negate an array, the lowest elements become the highest elements and vice-versa. Therefore, the indices of the n highest elements are:
(-avgDists).argsort()[:n]
Another way to reason about this, as mentioned in the...
Extract only right most n letters from a string
...
This aproach does not work correctly if the string is not as long as the number of characters required.
– stevehipwell
Nov 12 '09 at 13:59
1
...
Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
...raw boxes, determining all the dimensions using JS is not straight-forward if you only have the CSS.
That's why each element has six DOM properties for your convenience: offsetWidth, offsetHeight, clientWidth, clientHeight, scrollWidth and scrollHeight. These are read-only attributes representing t...
How do I close a single buffer (out of many) in Vim?
...: current
buffer) and delete it from
the buffer list. If the buffer was changed, this fails,
unless when [!] is specified, in which case changes are
lost.
The file remains unaffected.
If you know what you're doing, you can also use :bw
:b...
How do you open an SDF file (SQL Server Compact Edition)? [closed]
...Download it from here. Not sure about the license, but it seems to be free if you download the EXPRESS EDITION.
You might also be able to use later editions of SSMS. For 2016, you will need to install an extension.
If you have the option you can copy the sdf file to a different machine which you a...