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Troubleshooting “The use statement with non-compound name … has no effect”
...s (fully qualified namespace names containing namespace separator, such as Foo\Bar as opposed to global names that do not, such as FooBar), the leading backslash is unnecessary and not recommended, as import names must be fully qualified, and are not processed relative to the current namespace.
h...
What are the differences between “=” and “
...tree is built. Maybe related to function arguments, it makes sense that in foo(x = a ? b) we'd look for = before parsing rest of the expression.
– Moody_Mudskipper
Jan 10 at 10:34
...
LISTAGG in Oracle to return distinct values
... row_number() over (partition by col1, col2 order by col1) as rn
from foo
order by col1,col2
)
where rn = 1
group by col1;
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How to change the name of a Django app?
...tem itself doesn't care about the name. The column DEFAULT stores an OID ('foo_pkey_seq'::regclass), you can change the name of the sequence without breaking that - the OID stays the same.
– Konstantine Kalbazov
May 1 '15 at 14:07
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Reuse Cucumber steps
...precated, use 'step' to call other steps instead:/path/to/step_definitions/foo_steps.rb:631:in `block in '
". See the cucumber wiki for details.
The gist of the change is that you should now use the step or steps methods.
When /^I make all my stuff shiny$/
step "I polish my first thing"
end
Whe...
What is the difference between children and childNodes in JavaScript?
...ample would be:
let el = document.createElement("div");
el.textContent = "foo";
el.childNodes.length === 1; // Contains a Text node child.
el.children.length === 0; // No Element children.
Most of the time, you want to use .children because generally you don't want to loop over Text or Comment...
C# version of java's synchronized keyword?
..., I don't like the implementation of MethodImpl as it locks this or typeof(Foo) - which is against best practice. The preferred option is to use your own locks:
private readonly object syncLock = new object();
public void SomeMethod() {
lock(syncLock) { /* code */ }
}
Note that for field-like...
Differences between Java 8 Date Time API (java.time) and Joda-Time
I know there are questions relating to java.util.Date and Joda-Time. But after some digging, I couldn't find a thread about the differences between the java.time API (new in Java 8 , defined by JSR 310 ) and Joda-Time .
...
Differences between action and actionListener
...xml with a custom implementation:
<exception-handlerfactory>
com.foo.myExceptionHandler
</exception-handlerfactory>
Instead of listening globally, a single bean can also listen to these events. The following is a proof of concept of this:
@ManagedBean
@RequestScoped
public class M...
Webfonts or Locally loaded fonts?
Ever since the troubles brought on by using Cufon I ventured away from using external font resources, but as of late, I have been looking for alternate methods of loading fonts to see if there's a better way; better methods have a way of just appearing out of the blue.
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