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Expand a random range from 1–5 to 1–7
... for some readers. It assumes rand5() is a function that returns a statistically random integer in the range 1 through 5 inclusive.
int rand7()
{
int vals[5][5] = {
{ 1, 2, 3, 4, 5 },
{ 6, 7, 1, 2, 3 },
{ 4, 5, 6, 7, 1 },
{ 2, 3, 4, 5, 6 },
{ 7, 0, 0, 0, ...
Difference between JVM and HotSpot?
...For more on it, visit its site.
The current JVM provided by Sun/Oracle is called HotSpot because it seeks hot spots of use in the code (places where code is more intensively used) for "just-in-time" optimization. From the wikipedia, HotSpot, released as the "Java HotSpot Performance Engine" is a Ja...
What is __main__.py?
...ry or zipfile on the command line, and it executes the __main__.py automatically:
$ python my_program_dir
$ python my_program.zip
# Or, if the program is accessible as a module
$ python -m my_program
You'll have to decide for yourself whether your application could benefit from being executed lik...
Make multiple-select to adjust its height to fit options without scroll bar
...
Old, but this will do what you're after without need for jquery. The hidden overflow gets rid of the scrollbar, and the javascript makes it the right size.
<select multiple='multiple' id='select' style='overflow:hidden'>
<option value='foo'>foo</option>
<option value='bar'...
Multiple select statements in Single query
...ve tables. An alternate method may be as follows:
SELECT COUNT(user_table.id) AS TableCount,'user_table' AS TableSource FROM user_table
UNION SELECT COUNT(cat_table.id) AS TableCount,'cat_table' AS TableSource FROM cat_table
UNION SELECT COUNT(course_table.id) AS TableCount, 'course_table' AS Table...
Are PHP include paths relative to the file or the calling code?
...he location of A.PHP? That is, does it matter which file the include is called from, or only what the current working directory is- and what determines the current working directory?
...
Determining complexity for recursive functions (Big O notation)
...
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called linear.
int recursiveFun2(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun2(n-5);
}
This function is c...
How do I access an access array item by index in handlebars?
...
Try this:
<ul id="luke_should_be_here">
{{people.1.name}}
</ul>
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Can't pickle when using multiprocessing Pool.map()
...se pickle now tries to pickle THAT -- and it does as you've told it to: by calling _pickle_method, recursively. I.e. by OOing the code in this way, you have inevitably introduced infinite recursion. I suggest going back to Steven's code (and not worshipping at the altar of OO when not appropriate:...
What is the maximum length of a table name in Oracle?
... VARCHAR2(1)
COLUMN_ID NUMBER
DEFAULT_LENGTH NUMBER
DATA_DEFAULT LONG ...