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what is the difference between OLE DB and ODBC data sources?
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Actually sometimes OLE DB wraps the ODBC driver, sometimes it doesn't. See here
– bobobobo
Apr 11 '12 at 2:42
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Difference between wait() and sleep()
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A wait can be "woken up" by another thread calling notify on the monitor which is being waited on whereas a sleep cannot. Also a wait (and notify) must happen in a block synchronized on the monitor object whereas sleep does not:
Object mon = ...;
synchronized (mon) {
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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
...ple piece of jQuery code to target anchor tags with the disabled class to call event.preventDefault():
$('body').on('click', 'a.disabled', function(event) {
event.preventDefault();
});
We can toggle the disabled class by using toggleClass():
jQuery.fn.extend({
disable: function(state) {
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Most efficient way to increment a Map value in Java
...s folks--so I decided to run some tests and figure out which method is actually fastest. The five methods I tested are these:
the "ContainsKey" method that I presented in the question
the "TestForNull" method suggested by Aleksandar Dimitrov
the "AtomicLong" method suggested by Hank Gay
the "Trove...
SVN best-practices - working in a team
...t be, "trunk must always build without errors." or "trunk must always pass all unit tests". Any work that can't yet meet the standards of trunk must be done in a branch.
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ROW_NUMBER() in MySQL
...mmonly-asked SQL questions (since it seems like it should be easy, but actually it kind of isn't).
I often plump for a null-self-join:
SELECT t0.col3
FROM table AS t0
LEFT JOIN table AS t1 ON t0.col1=t1.col1 AND t0.col2=t1.col2 AND t1.col3>t0.col3
WHERE t1.col1 IS NULL;
“Get the rows in the...
Get first day of week in SQL Server
...e saying, how many weeks have passed since Monday, January 1, 1900? Let's call that [n]. Ok, now add [n] weeks to Monday, January 1, 1900. You should not be surprised that this ends up being a Monday. DATEADD has no idea that you want to add weeks but only until you get to a Sunday, it's just adding...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
...its start and end, not by its contents. "Iterating" over a range doesn't really make sense in a general case. Consider, for example, how you would "iterate" over the range produced by two dates. Would you iterate by day? by month? by year? by week? It's not well-defined. IMO, the fact that it's allo...
How to zip a whole folder using PHP
...$name => $file)
{
// Skip directories (they would be added automatically)
if (!$file->isDir())
{
// Get real and relative path for current file
$filePath = $file->getRealPath();
$relativePath = substr($filePath, strlen($rootPath) + 1);
// Add cur...
The Difference Between Deprecated, Depreciated and Obsolete [closed]
...s the monetary value of something has decreased over time. E.g., cars typically depreciate in value.
Also for more precise definitions of the terms in the context of the English language I recommend using https://english.stackexchange.com/.
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