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Difference Between Select and SelectMany
... return lists of lists. For example
public class PhoneNumber
{
public string Number { get; set; }
}
public class Person
{
public IEnumerable<PhoneNumber> PhoneNumbers { get; set; }
public string Name { get; set; }
}
IEnumerable<Person> people = new List<Person>();
/...
User recognition without cookies or local storage
...ople are so security-aware that it would be difficult to get people to install these kinds of programs on their system. This leaves you stuck with using Cookies and other, similar tools.
Cookies and other, similar tools
You might consider building a Data Profile, then using Probability tests to id...
What are libtool's .la file for?
... # Static library
/lib/libfoo.la # libtool library
/bin/cygfoo_1.dll # DLL
Under Windows MinGW:
/lib/libfoo.dll.a # Import library
/lib/libfoo.a # Static library
/lib/libfoo.la # 'libtool' library
/bin/foo_1.dll # DLL
So libfoo.la is the only file that is p...
Determining type of an object in ruby
...re's no reason to be particular about the type.
For example, object.is_a?(String) is too rigid since another class might implement methods that convert it into a string, or make it behave identically to how String behaves. object.respond_to?(:to_s) would be a better way to test that the object in q...
How do I get a YouTube video thumbnail from the YouTube API?
...5 (5) {
["default"]=>
object(stdClass)#6 (3) {
["url"]=>
string(46) "https://i.ytimg.com/vi/T0Jqdjbed40/default.jpg"
["width"]=>
int(120)
["height"]=>
int(90)
}
["medium"]=>
object(stdClass)#7 (3) {
["url"]=>
string(48) "https://i.ytimg.com...
How to get names of classes inside a jar file?
...ava classes contained inside a jar file at /path/to/jar/file.jar.
List<String> classNames = new ArrayList<String>();
ZipInputStream zip = new ZipInputStream(new FileInputStream("/path/to/jar/file.jar"));
for (ZipEntry entry = zip.getNextEntry(); entry != null; entry = zip.getNextEntry()...
Mockito: InvalidUseOfMatchersException
...exception went away. E.g. inside below Java class,
public class Foo {
String getName(String id) {
return mMap.get(id);
}
}
the method String getName(String id) has to be AT LEAST protected level so that the mocking mechanism (sub-classing) can work.
...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...r.parseInt("123");
This returns an int primitive value after parsing the String.
Integer.valueOf("123");
This is more complex than the others. It starts off by parsing the String. Then, if the value is between -128 and 127, it returns the corresponding object from the static cache. If the va...
ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...eed to allow HTML - best choice
using System.Web.Mvc;
[AllowHtml]
public string SomeProperty { get; set; }
On the controller action add this attribute to allow all HTML
[ValidateInput(false)]
public ActionResult SomeAction(MyViewModel myViewModel)
Brute force in web.config - definitely not r...
How to use a variable for the database name in T-SQL?
...
Put the entire script into a template string, with {SERVERNAME} placeholders. Then edit the string using:
SET @SQL_SCRIPT = REPLACE(@TEMPLATE, '{SERVERNAME}', @DBNAME)
and then run it with
EXECUTE (@SQL_SCRIPT)
It's hard to believe that, in the course of...