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What's the proper value for a checked attribute of an HTML checkbox?
We all know how to form a checkbox input in HTML:
8 Answers
8
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Count, size, length…too many choices in Ruby?
...1
In the case where you don't provide a parameter to count it has basically the same effect as calling length. There can be a performance difference though.
We can see from the source code for Array that they do almost exactly the same thing. Here is the C code for the implementation of array.l...
Delete directories recursively in Java
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With Java 7, we can finally do this with reliable symlink detection. (I don't consider Apache's commons-io to have reliable symlink detection at this time, as it doesn't handle links on Windows created with mklink.)
For the sake of history, here's...
How do I check in JavaScript if a value exists at a certain array index?
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Conceptually, arrays in JavaScript contain array.length elements, starting with array[0] up until array[array.length - 1]. An array element with index i is defined to be part of the array if i is between 0 and array.length - 1 inclu...
Rails Object to hash
...ly attributes, then you can get them by:
@post.attributes
Note that this calls ActiveModel::AttributeSet.to_hash every time you invoke it, so if you need to access the hash multiple times you should cache it in a local variable:
attribs = @post.attributes
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Some projects cannot be imported because they already exist in the workspace error in Eclipse
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doesn´t work in all cases, it´s better to rename one of the two.
– Sebastian Juarez
Dec 20 '12 at 7:34
2
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In MySQL queries, why use join instead of where?
...le about using strict typing whenever possible. Explicit is almost universally better.
Conclusion
Short of familiarity and/or comfort, I don't see any benefit to continuing to use the ANSI-89 WHERE clause instead of the ANSI-92 JOIN syntax. Some might complain that ANSI-92 syntax is more verb...
Accessing MVC's model property from Javascript
... IconHtml = '@Html.Raw(Model.UserIconHTML)';
The results are good with all types. But our HTML data is now broken and this will break the scripts. The issue is because we are using single quotes ' to wrap the the data and even the data has single quotes.
We can overcome this issue with 2 appro...
How to convert an array to object in PHP?
...lue)
{
$object->$key = $value;
}
As Edson Medina pointed out, a really clean solution is to use the built-in json_ functions:
$object = json_decode(json_encode($array), FALSE);
This also (recursively) converts all of your sub arrays into objects, which you may or may not want. Unfortunat...
What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association
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@MykhayloAdamovych: No, that's actually not quite right. If Branch doesn't have a property which references Company, but the underlying table has a column which does, then you can use @JoinTable to map it. This is an unusual situation, because you would normal...