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Laravel Migration Change to Make a Column Nullable
...ring('name', 50)->nullable()->change();
});
Source: http://laravel.com/docs/5.0/schema#changing-columns
Laravel 4 does not support modifying columns, so you'll need use another technique such as writing a raw SQL command. For example:
// getting Laravel App Instance
$app = app();
// getti...
Open file dialog box in JavaScript
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how come this is good? this is a good practice at all? shouldnt be something like this: stackoverflow.com/a/18659941/915865?
– Kat Lim Ruiz
Sep 25 '13 at 19:27
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How can I get the source code of a Python function?
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return a
But I believe that if the function is compiled from a string, stream or imported from a compiled file, then you cannot retrieve its source code.
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C/C++ maximum stack size of program
...e at most ~100 bytes which should be sufficient for a DFS algorithm.
Most compilers including Visual Studio let you specify the stack size. On some (all?) linux flavours the stack size isn't part of the executable but an environment variable in the OS. You can then check the stack size with ulimit ...
Can “this” ever be null in Java?
...ennyTM: it is sufficient in Java. If you're using the this keyword and it compiles, it's not null when you observe it. But as others say that doesn't prevent an NPE when trying to invoke the method, e.g. But that's completely out of your control as a method and a null check within the method isn'...
Calculate distance between two points in google maps V3
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Abusing the algebra of algebraic data types - why does this work?
...tinguished even if their types are the same. For what it's worth, the more common term is simply "sum type".
Singleton types are, effectively, all unit types. They behave identically under algebraic manipulations and, more importantly, the amount of information present is still preserved.
You probab...
getActivity() returns null in Fragment function
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commit schedules the transaction, i.e. it doesn't happen straightaway but is scheduled as work on the main thread the next time the main thread is ready.
I'd suggest adding an
onAttach(Activity activity)
method to your ...
Storing Python dictionaries
...nimal knowledge of json to support user-defined classes. The JSON homepage completely defines the language in just over 3 printed pages, so it's easy to absorb/digest quickly.
– Jonathanb
Aug 17 '11 at 23:47
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How to debug in Django, the good way? [closed]
...ing on actual executing code.
However there are other options (I am not recommending them):
* return HttpResponse({variable to inspect})
* print {variable to inspect}
* raise Exception({variable to inspect})
But the Python Debugger (pdb) is highly recommended for all types of Python code. If y...