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How do you exit from a void function in C++?
...
You mean like this?
void foo ( int i ) {
if ( i < 0 ) return; // do nothing
// do something
}
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Why can't radio buttons be “readonly”?
...value merely by disabling the other options:
<input type="radio" name="foo" value="Y" checked>
<input type="radio" name="foo" value="N" disabled>
Fiddle: http://jsfiddle.net/qqVGu/
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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...lared) you should check with the typeof operator. For instance
if( typeof foo !== 'undefined' ) {
// foo could get resolved and it's defined
}
If you can be sure that a variable is declared at least, you should directly check if it has a truthy value like shown above.
Further read: http://ty...
How to make my custom type to work with “range-based for loops”?
... ADL :
#include <iostream>
#include <algorithm>
namespace foo{
int i=0;
struct A
{
A()
{
std::generate(&v[0], &v[10], [&i](){ return ++i;} );
}
int v[10];
};
int *begin( A &v )
{
return &v.v[0];
}
int *end( A &v )
{
return ...
String literals: Where do they go?
...ndent on your platform and could change over time), just use arrays:
char foo[] = "...";
The compiler will arrange for the array to get initialized from the literal and you can modify the array.
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Is there a way to @Autowire a bean that requires constructor arguments?
...ts BeanService{
@Autowired
public MybeanService(MyConstructorClass foo){
// do something with foo
}
}
@Component
public class MyConstructorClass{
public MyConstructorClass(@Value("#{some expression here}") String value){
// do something with value
}
}
Update: i...
How to import and use different packages of the same name in Go language?
... (
t "text/template"
h "html/template"
)
func main() {
t.New("foo").Parse(`{{define "T"}}Hello, {{.}}!{{end}}`)
h.New("foo").Parse(`{{define "T"}}Hello, {{.}}!{{end}}`)
}
The code above gives two different names to the imported packages with the same name. So, there are now two di...
What's the best way of scraping data from a website? [closed]
...same requests yourself. So you might pull the html from http://example.com/foobar and extract one piece of data and then have to pull the json response from http://example.com/api/baz?foo=b... to get the other piece of data. You'll need to be aware of passing the correct cookies or session parameter...
How to install node.js as windows service?
...ame="NODE_ENV" value="production"/>
<!-- OPTIONAL FEATURE:
FOO_SERVICE_PORT=8989 will be persisted as an environment
variable machine-wide.
-->
<persistent_env name="FOO_SERVICE_PORT" value="8989" />
</service>
...
chai test array equality doesn't work as expected
...eep Equal. It will compare nested arrays as well as nested Json.
expect({ foo: 'bar' }).to.deep.equal({ foo: 'bar' });
Please refer to main documentation site.
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