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Sqlite primary key on multiple columns
... keys in any DBMS.
create table foo
(
fooint integer not null
,foobar string not null
,fooval real
,primary key (fooint, foobar)
)
;
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How to get UTF-8 working in Java webapps?
....IOException;
public class CharsetFilter implements Filter {
private String encoding;
public void init(FilterConfig config) throws ServletException {
encoding = config.getInitParameter("requestEncoding");
if (encoding == null) encoding = "UTF-8";
}
public void doF...
Split a string on whitespace in Go?
Given an input string such as " word1 word2 word3 word4 " , what would be the best approach to split this as an array of strings in Go? Note that there can be any number of spaces or unicode-spacing characters between each word.
...
Android, How can I Convert String to Date?
...
From String to Date
String dtStart = "2010-10-15T09:27:37Z";
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
try {
Date date = format.parse(dtStart);
System.out.println(date);
} catch...
SQLite string contains other string query
...
Keep in mind that this isn't suitable where the string you're searching for is variable or contains a special character such as %.
– Sam
May 24 '13 at 1:32
...
Java enum - why use toString instead of name
...e exact name used to declare the enum constant, you should use name() as toString may have been overriden
If you want to print the enum constant in a user friendly way, you should use toString which may have been overriden (or not!).
When I feel that it might be confusing, I provide a more specifi...
What's the difference between including files with JSP include directive, JSP include action and usi
...-app. The included content becomes part of the compiled JSP and there's no extra cost at runtime.
<jsp:include> (and JSTL's <c:import>, which is similar and even more powerful) are best suited to dynamic content. Use these when you need to include content from another URL, local or remo...
Rails :include vs. :joins
...ment belongs_to a User.
The User model has the following attributes: Name(string), Age(integer). The Comment model has the following attributes:Content, user_id. For a comment a user_id can be null.
Joins:
:joins performs a inner join between two tables. Thus
Comment.joins(:user)
#=> <A...
How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
...
According to APIdock the name has to be a string, not a symbol
– Jaco Pretorius
Dec 31 '13 at 14:38
7
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Determine version of Entity Framework I am using?
...
internal static string GetEntityFrameworkVersion()
{
var version = "";
var assemblies = System.AppDomain.CurrentDomain.GetAssemblies().Select(x => x.FullName).ToList();
foreach(var asm in assemblies)
{
...