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How to get first record in each group using Linq
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@rogersillito that's why it's called a query (Language Integrated Query - LINQ), also the GroupBy has many overloads but there are just a few being commonly used, also it depends on the personal preference, such as some ones prefer to write it as .GroupBy...
Convert stdClass object to array in PHP
...ject
* Using __FUNCTION__ (Magic constant)
* for recursive call
*/
return array_map(__FUNCTION__, $d);
} else {
// Return array
return $d;
}
}
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Which characters are valid in CSS class names/selectors?
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You can check directly at the CSS grammar.
Basically1, a name must begin with an underscore (_), a hyphen (-), or a letter(a–z), followed by any number of hyphens, underscores, letters, or numbers. There is a catch: if the first character is a hyphen, the second charact...
How to update attributes without validation
... a.attributes({ ... }).save(false) instead. Or if you don't care (or want) callbacks to be run, checkout update_column.
– Joshua Pinter
Dec 10 '12 at 2:45
27
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...e during normal Application execution, but it will stop at a Native system call, as the context switching is done on the kernel level. So - this is where the Dalvik GC joins the story.
The Dalvik GC code (as implemented in the Dalvik project in the AOSP site) is not a complicated piece of code. The...
What is the best way to remove accents (normalize) in a Python unicode string?
...s of characters that are available. Do we really need the unicode function call in there with python 3 though? I think a tighter regex in place of the find would avoid all the trouble mentioned in the comment above, and also, memoization would help performance when it's a critical code
Can I find out the return value before returning while debugging in Eclipse?
...er the line has been run and before the instruction pointer returns to the calling function?
9 Answers
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Correct use of flush() in JPA/Hibernate
...atabase, often until you actually commit the transaction.
For example, you call em.persist(), Hibernate remembers it has to make a database INSERT, but does not actually execute the instruction until you commit the transaction. Afaik, this is mainly done for performance reasons.
In some cases anywa...
text-overflow:ellipsis in Firefox 4? (and FF5)
...ntent = $i.html();
$c.empty().html(content);
}
}
It would be called like:
$(function(){
ellipsify($('#test'));
});
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html onchange event not working
... 'onkeypres', 'onkeyup', etc. is not a solution when one wants to call a function only if the text has changed! Key events produce an unnecessary traffic in this case. (Very strange that this reply has been chosen as a solution, esp. with so meny votes!! I don't downvote it, because I don'...