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Which is more efficient: Multiple MySQL tables or one large table?
...ow on top of a legacy system. I had to expand the old database tables with extra columns. I decided to make new tables for the new data. Some new features come in handy for the legacy system and now I can easily integrate them without having to rewrite too much of the old queries
...
Java: how to convert HashMap to array
I need to convert a HashMap<String, Object> to an array; could anyone show me how it's done?
12 Answers
...
Strings in a DataFrame, but dtype is object
...ll me that I have objects, although every item in the selected column is a string — even after explicit conversion.
4 Ans...
How can I add a PHP page to WordPress?
...eader.php file using a PHP require().
Here's an example that uses a query string to generate Facebook Open Graph (OG) data for any post.
Take the example of a link like http://example.com/yourfilename.php?1 where 1 is the ID of a post we want to generate OG data for:
Now in the contents of yourfi...
Performance of Arrays vs. Lists
...ts; i++ )
{
j = theList[i];
}
chrono.Stop ();
Console.WriteLine (String.Format("iterating the List took {0} msec", chrono.ElapsedMilliseconds));
chrono.Reset();
chrono.Start();
for( int i = 0; i < numberOfElements; i++ )
{
j = theArray[i];
}
chrono.Stop ();
Console.Write...
How do I increase modal width in Angular UI Bootstrap?
... size: "xlg",
});
and this will work .
because whatever string you pass as size bootstrap will cocant it with "modal-" and this will play the role of class for window.
share
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imp...
Best database field type for a URL
...oc/refman/5.0/en/char.html
Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
Weird Integer boxing in Java
...
public class Scratch
{
public static void main(String[] args)
{
Integer a = 1000, b = 1000; //1
System.out.println(a == b);
Integer c = 100, d = 100; //2
System.out.println(c == d);
}
}
Output:
false
true
Yep the first output...
ExecutorService that interrupts tasks after a timeout
...lem with the following (very crude) test program:
public static void main(String[] args) throws InterruptedException {
ExecutorService service = new TimeoutThreadPoolExecutor(1, 1, 10, TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(), 10, TimeUnit.MINUTES);
//Executo...
Proper way to handle multiple forms on one page in Django
...t instantiates these, without using either the messages framework or query strings? This answer seems the closest, but here it's still just one view handling both forms: stackoverflow.com/a/21271659/2532070
– YPCrumble
Oct 15 '14 at 10:10
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