大约有 40,000 项符合查询结果（耗时：0.0464秒） [XML]
What's the difference between ViewData and ViewBag?
...y typed view models (the same way as viewdata should be avoided).
So basically it replaces magic strings:
ViewData["Foo"]
with magic properties:
ViewBag.Foo
for which you have no compile time safety.
I continue to blame Microsoft for ever introducing this concept in MVC.
The name of the pro...
Boost Statechart vs. Meta State Machine
...
As there seems to be much interest, please allow me to give my (obviously biased) opinion, which should therefore be taken with a grain of salt:
MSM is much faster
MSM requires no RTTI or anything virtual
MSM has a more complete UML2 support (for example internal tr...
The following sections have been defined but have not been rendered for the layout page “~/Views/Sha
... _Layout.cshtml has something like this:
@RenderSection("scripts")
Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty):
@{
ViewBag.Title = "Title";
Layout = "~/Views/Shared/_Layout.cshtml";
}
@section scripts{
...
Redirect stdout to a file in Python?
...t it back when you're done, sys.stdout = stdout. That way if you're being called from a function that uses print you don't screw them up.
– mgold
Dec 20 '12 at 15:06
4
...
Using awk to print all columns from the nth to the last
...
will print all but very first column:
awk '{$1=""; print $0}' somefile
will print all but two first columns:
awk '{$1=$2=""; print $0}' somefile
share
...
How to use timeit module
...
The way timeit works is to run setup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort reall...
What is Hindley-Milner?
...er system is that each well-typed term has a unique "best" type, which is called the principal type. The principal type of the list-length function is "for any a, function from list of a to integer". Here a is a so-called "type parameter," which is explicit in lambda calculus but implicit in most ...
Add a new column to existing table in a migration
... });
}
Then you can run your migrations:
php artisan migrate
This is all well covered in the documentation for both Laravel 3:
Schema Builder
Migrations
And for Laravel 4 / Laravel 5:
Schema Builder
Migrations
Edit:
use $table->integer('paid')->after('whichever_column'); to add ...
How do I check if an object has a specific property in JavaScript?
...
I'm really confused by the answers that have been given - most of them are just outright incorrect. Of course you can have object properties that have undefined, null, or false values. So simply reducing the property check to typeo...
Getter and Setter?
...
That's not really setter and getter. Typically I need for each property different implementation of getter!
– sumid
Feb 16 '13 at 0:59
...