大约有 30,000 项符合查询结果（耗时：0.0418秒） [XML]
Check if EditText is empty. [closed]
... findViewById(R.id.editUsername);
sUsername = usernameEditText.getText().toString();
if (sUsername.matches("")) {
Toast.makeText(this, "You did not enter a username", Toast.LENGTH_SHORT).show();
return;
}
share
...
Why does Google +1 record my mouse movements? [closed]
...oyed button like this, you'd expect a lot of collisions. Might explain the extra efforts.
– Yahel
Jul 24 '11 at 3:12
...
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...
MySQL load NULL values from CSV data
...ual field value to NULL, if the local variable ends up containing an empty string:
LOAD DATA INFILE '/tmp/testdata.txt'
INTO TABLE moo
FIELDS TERMINATED BY ","
LINES TERMINATED BY "\n"
(one, two, three, @vfour, five)
SET four = NULLIF(@vfour,'')
;
If they're all possibly empty, then you'd read th...
How do I convert a string to enum in TypeScript?
...
Enums in TypeScript 0.9 are string+number based. You should not need type assertion for simple conversions:
enum Color{
Red, Green
}
// To String
var green: string = Color[Color.Green];
// To Enum / number
var color : Color = Color[green];
Tr...
Is Integer Immutable
...Immutable does not mean that a can never equal another value. For example, String is immutable too, but I can still do this:
String str = "hello";
// str equals "hello"
str = str + "world";
// now str equals "helloworld"
str was not changed, rather str is now a completely newly instantiated objec...
How to generate JAXB classes from XSD?
....w3._2005.atom.FeedType;
public class Demo {
public static void main(String[] args) throws Exception {
JAXBContext jc = JAXBContext.newInstance("org.w3._2005.atom");
Unmarshaller unmarshaller = jc.createUnmarshaller();
URL url = new URL("http://bdoughan.blogspot.com/at...
No Multiline Lambda in Python: Why not?
... This is a simple ambiguity that must be solved by adding an extra set of parens, something that exists in many places already, e.g. generator expressions surrounded by other arguments, calling a method on an integer literal (although this need not be the case since a function name can...
When should one use HTML entities?
...ing using utf-8 text, there are a few thing to watch for.
XML needs some extra lines to validate when using entities.
Some libraries do not play along nice with utf-8. For instance, PHP in some Linux distributions dropped full support for utf-8 in their regular expression libraries.
It is harder t...
What to use as an initial version? [closed]
...rsion numbering
system, where updates have been
indicated by adding an extra digit at
the end of the decimal, so that the
version number asymptotically
approaches π. This is a reflection of
the fact that TeX is now very stable,
and only minor updates are
anticipated. The current ver...