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Populating Spring @Value during Unit Test
...d in my program to validate forms. The bean is annotated with @Component and has a class variable that is initialized using
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Calculating text width
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Fantastico! Simple and clean.
– Carey Estes
Jul 2 '14 at 14:50
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Split a module across several files
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Rust's module system is actually incredibly flexible and will let you expose whatever kind of structure you want while hiding how your code is structured in files.
I think the key here is to make use of pub use, which will allow you to re-export identifiers from other modules....
Date only from TextBoxFor()
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Yes, as now there is the EditorFor helper and MVC2 is finalized, your solution is the way to go
– Kronos
Nov 8 '10 at 15:03
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Assigning default value while creating migration file
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Default migration generator does not handle default values (column modifiers are supported but do not include default or null), but you could create your own generator.
You can also manually update the migration file prior to running rake db:migrate by adding th...
Why can I throw null in Java? [duplicate]
...erException.
In other words, throw checks that its argument is nonnull, and if it is null, it throws a NullPointerException.
JLS 14.18 specifies this behavior:
If evaluation of the Expression completes normally, producing a null value, then an instance V' of class NullPointerException is cre...
Finding child element of parent pure javascript
... document.querySelectorAll('.parent .child1');
The difference between qS and qSA is that the latter returns all elements matching the selector, while the former only returns the first such element.
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How to sort Counter by value? - python
... counters, sorting can always be adjusted based on a key function; .sort() and sorted() both take callable that lets you specify a value on which to sort the input sequence; sorted(x, key=x.get, reverse=True) would give you the same sorting as x.most_common(), but only return the keys, for example:
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How to limit the amount of concurrent async I/O operations?
...can create delegate-bound tasks on the TPL that have not yet been started, and allow for a custom task scheduler to limit the concurrency. In fact, there's an MSDN sample for it here:
See also TaskScheduler .
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Adjust width and height of iframe to fit with content in it
I need a solution for auto-adjusting the width and height of an iframe to barely fit its content. The point is that the width and height can be changed after the iframe has been loaded. I guess I need an event action to deal with the change in dimensions of the body contained in the iframe...