大约有 40,000 项符合查询结果（耗时：0.0634秒） [XML]
MassAssignmentException in Laravel
...ection against mass assignment security issues. That's why you have to manually define which fields could be "mass assigned" :
class User extends Model
{
protected $fillable = ['username', 'email', 'password'];
}
Warning : be careful when you allow the mass assignment of critical fields lik...
Take diff of two vertical opened windows in Vim
...
To begin diffing on all visible windows:
:windo diffthis
which executes :diffthis on each window.
To end diff mode:
:diffoff!
(The ! makes diffoff apply to all windows of the current tab - it'd be nice if diffthis had the same feature, bu...
Git diff says subproject is dirty
I have just run a git diff, and I am getting the following output for all of my approx 10 submodules
9 Answers
...
Creating range in JavaScript - strange syntax
...guments
How the Number function handles arguments
What Function.prototype.call does
They're rather advanced topics in javascript, so this will be more-than-rather long. We'll start from the top. Buckle up!
1. Why not just Array(5).map?
What's an array, really? A regular object, containing intege...
Determine if a function exists in bash
..., built-in function, external command, or just not defined. Example:
$ LC_ALL=C type foo
bash: type: foo: not found
$ LC_ALL=C type ls
ls is aliased to `ls --color=auto'
$ which type
$ LC_ALL=C type type
type is a shell builtin
$ LC_ALL=C type -t rvm
function
$ if [ -n "$(LC_ALL=C type -t rvm)...
Replace transparency in PNG images with white background
...ings with Image Magick "convert" operations, but either nothing happens at all or I get an error. I don't want to go to an intermediate JPG form because I don't want the artifacts. Of course it's easy to do this in Gimp or Photoshop or whatever, but I'd really rather script it from the command lin...
Xcode 4 hangs at “Attaching to (app name)”
...n in the simulator or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
...
It is more efficient to use if-return-return or if-else-return?
...the if condition is false anyway.
Note that Python supports a syntax that allows you to use only one return statement in your case:
return A+1 if A > B else A-1
share
|
improve this answer
...
Get all git commits since last tag
...
If your current commit is also a tag and you want to dynamically get the changes since the previous tag, without knowing the latest tag nor previous tag name, you can do:
git log --oneline $(git describe --tags --abbrev=0 @^)..@
Note that @ is short for HEAD.
...
How do I automatically sort a has_many relationship in Rails?
This seems like a really simple question but I haven't seen it answered anywhere.
5 Answers
...