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SQL/mysql - Select distinct/UNIQUE but return all columns?
...y applicable to numeric values, but also compare the alphabetical order of string values.
SELECT country, MAX(city) FROM locations
GROUP BY country
will result in:
--country-- --city--
France Paris
Poland Krakow
Italy Milano
or:
SELECT country, MIN(city) FROM locations
GROU...
SqlDataAdapter vs SqlDataReader
...
Actually, with a little bit of extra code you certainly can run linq queries (or, at least one query) on a datareader. Just use an iterator block to yield return the DataReader cast as an IDataRecord inside your while (reader.Read()) loop.
...
How are Anonymous inner classes used in Java?
...r class can come useful when making an instance of an object with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void ...
Should I use s and s inside my s?
...
For me, the unordered lists are extra markup that aren't really required. When I look at an HTML document, I want it to be as clean and easy to read as possible. It's already clear to the viewer that a list is being presented if proper indentation is used...
Why does overflow:hidden not work in a ?
... always like to be a particular width. However, it doesn't work with large strings of unspaced text. Here's a test case:
11...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...t no longer happens automatically. Personally, I rarely find it worth that extra effort.
A more elaborate version of this answer can be found in this excerpt from my book Dependency Injection, Principles, Practices, Patterns.
...
Should I store generated code in source control
...with "you have to do a commit every time you build". This should cause no extra commit because the only thing that should affect the commit is a change to the code which hence changes the generated source. So in effect you have to commit the generated code only when you're already commiting the ch...
Attempt by security transparent method 'WebMatrix.WebData.PreApplicationStartCode.Start()'
...ethod ‘System.Web.WebPages.Razor.WebPageRazorHost.AddGlobalImport(System.String)’ failed.
In order to fix this install this package using NuGet package manager.
Install-Package Microsoft.AspNet.WebHelpers
After that , probably you will get another error
Cannot load WebMatrix.Data vers...
How to give border to any element using css without adding border-width to the whole width of elemen
...
outline:1px solid white;
This won't add the extra width and height.
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When to use std::forward to forward arguments?
...uld be able to modify the account.
#include <iostream>
#include <string>
#include <sstream> // std::stringstream
#include <algorithm> // std::move
#include <utility>
#include <iostream>
#include <functional>
template<class T> class BankAccount {
priv...