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How to change MenuItem icon in ActionBar programmatically
...thod
menu.getItem(0).setIcon(ContextCompat.getDrawable(this, R.drawable.ic_launcher));
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Can you use @Autowired with static fields?
...vironment: @Component public class SpringAppEnv{ public static Environment _env; @Autowired public void setEnv(Environment env) {_env = env;} }
– user1767316
Mar 14 '17 at 10:01
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Servlet returns “HTTP Status 404 The requested resource (/servlet) is not available”
...tp://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0"
>
<!-- Config here. -->
</web-app>
Or, in case you're not on Servlet 3.0+ yet (e.g. Tomcat 6 or older), then remove the @WebServlet annotation.
package com.example;
public cl...
Invalid postback or callback argument. Event validation is enabled using '
... One more option: implement IPostBackEventHandler and call js __doPostBack('<%= UniqueId.ToString() %>',arg)
– gdbdable
May 22 '14 at 7:11
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Get list of databases from SQL Server
...uery:
SELECT name FROM master.dbo.sysdatabases
or if you prefer
EXEC sp_databases
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How to unit test an object with database queries
... as in the following pseudo-code:
class Bar
{
private FooDataProvider _dataProvider;
public instantiate(FooDataProvider dataProvider) {
_dataProvider = dataProvider;
}
public getAllFoos() {
// instead of calling Foo.GetAll() here, we are introducing an extra layer ...
Facebook Post Link Image
...
The easiest way is just a link tag:
<link rel="image_src" href="http://stackoverflow.com/images/logo.gif" />
But there are some other things you can add to your site to make it more Social media friendly:
Open Graph Tags
Open Graph tags are tags that you add to the <...
How to resize a custom view programmatically?
...
this.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT, theSizeIWant));
Problem solved!
NOTE: Be sure to use the parent Layout's LayoutParams. Mine is LinearLayout.LayoutParams!
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structure vs class in swift language
...mple here code to understand well.
struct SomeStruct {
var a : Int;
init(_ a : Int) {
self.a = a
}
}
class SomeClass {
var a: Int;
init(_ a: Int) {
self.a = a
}
}
var x = 11
var someStruct1 = SomeStruct(x)
var someClass1 = SomeClass(x)
var someStruct2 = someStruct1
var someClass2 = so...
Why should hash functions use a prime number modulus?
...e comes out to be a factor of the bucket count then you can only do (bucket_count / stride) probes before you're back where you started. The case you most want to avoid is stride = 0, of course, which must be special-cased, but to avoid also special-casing bucket_count / stride equal to a small inte...