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Select statement to find duplicates on certain fields
... ordered by some field ID.
This SQL should get you the duplicate entries except for the first one. It basically selects all rows for which another row with (a) the same fields and (b) a lower ID exists. Performance won't be great, but it might solve your problem.
SELECT A.ID, A.field1, A.field2, A...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...y hack, if you're using .NET 3.5 you can use the Enumerable.SequenceEqual extension method:
Assert.IsTrue(actual.SequenceEqual(expected));
A custom helper method could give you more details about how they differ, of course. You might find the methods in MoreLINQ.TestExtensions helpful, although t...
Convert pandas dataframe to NumPy array
...alues, here's why.
It's time to deprecate your usage of values and as_matrix().
pandas v0.24.0 introduced two new methods for obtaining NumPy arrays from pandas objects:
to_numpy(), which is defined on Index, Series, and DataFrame objects, and
array, which is defined on Index and Series objects onl...
NHibernate vs LINQ to SQL
...nt and it takes very little effort to get your domain running based on an existing database structure. For simple applications, this is perfectly acceptable (and oftentimes even preferable), but for more complex applications devs will often suggest using a domain driven design pattern instead (whic...
How to pass multiple parameters in a querystring
...
Query_string
(Following is the text of the linked section of the Wikipedia entry.)
Structure
A typical URL containing a query string is as follows:
http://server/path/program?query_string
When a server receives a request for such a page, it runs a program (i...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
...essary configuration files and SSLish stuff.
mkdir stunnel
cd stunnel
Next we'll need to create a local certificate and key to be used for the SSL communication. For this we turn to openssl.
Create the key:
openssl genrsa 1024 > stunnel.key
Create the certificate that uses this key (this ...
express.js - single routing handler for multiple routes in a single line
...ed in a comment above that using arrays for paths is deprecated but it is explicitly described in Express 4, and it works in Express 3.x. Here's an example of something to try:
app.get(
['/test', '/alternative', '/barcus*', '/farcus/:farcus/', '/hoop(|la|lapoo|lul)/poo'],
function ( request...
What is difference between sjlj vs dwarf vs seh?
...e are several programs on different computers simulating a process. On Linux, I'm using GCC. Everything is great. I can optimize code, it compiles fast and uses not-so-much memory.
...
How to edit log message already committed in Subversion?
... message before it is
changed, so it can preserve it in some
way (for example, by sending an
email). Once revision property
modifications are enabled, you can
change a revision's log message by
passing the --revprop switch to svn
propedit or svn propset, like either
one of these:
$s...
Set timeout for ajax (jQuery)
...
Please read the $.ajax documentation, this is a covered topic.
$.ajax({
url: "test.html",
error: function(){
// will fire when timeout is reached
},
success: function(){
//do something
},
timeout: 3000 //...