大约有 40,000 项符合查询结果（耗时：0.0562秒） [XML]
What Ruby IDE do you prefer? [closed]
... Aptana seems to be the best IDE for Ruby, but I hate how it changes all my key mappings for the various editors (e.g., they remap <ctrl>-1 in the Java editor), and I hate how it writes databases in whatever directory I happen to be in when I start the IDE. Yuck. They're obviously not ...
How would Git handle a SHA-1 collision on a blob?
...in the sense that the git object network generates a DAG that is not fully ordered, so while different repositories will agree about what is "earlier" in the case of direct ancestry, if the object came through separate and not directly related branches, two different repos may obviously have gotten ...
JavaScript - onClick to get the ID of the clicked button
...h Firefox and IE were throwing it), this is a great solution that works in all three major browsers.
– X3074861X
Aug 8 '13 at 16:30
2
...
Making macOS Installer Packages which are Developer ID ready
...The option appears visually selected, but the user needs to click on it in order to proceed with the installation, causing some confusion.
Apples Documentation recommends to use <domains enable_anywhere ... /> but this triggers the new more buggy Destination Select Pane which Apple doesn't ...
What are all the escape characters?
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...g. a$ Last character must be lower case letter a
Precedence table:
Order Name Representation
1 Parentheses ( )
2 Multipliers ? + * {m,n} {m, n}?
3 Sequence & Anchors abc ^ $
4 Alternation |
Predefined Character Abbreviation...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
...wtype T r a = Cons { decons :: a -> r -> (a, r) }
Consequently, in order to get the value of a lens, you must submit an undefined value for the 'a' argument! This strikes me as an incredibly ugly and ad hoc implementation.
That said, Henning has included the template-haskell plumbing to aut...
Getting the max value of an enum
...
Enum.GetValues() seems to return the values in order, so you can do something like this:
// given this enum:
public enum Foo
{
Fizz = 3,
Bar = 1,
Bang = 2
}
// this gets Fizz
var lastFoo = Enum.GetValues(typeof(Foo)).Cast<Foo>().Last();
Edit
For th...
Breaking out of a nested loop
...using goto is any worse than the normal use of something like break (after all they're both just unconditional branches to a label, it's just that with break the label is implicit).
– Greg Beech
Nov 28 '08 at 0:07
...
How do I automatically sort a has_many relationship in Rails?
...
You can specify the sort order for the bare collection with an option on has_many itself:
class Article < ActiveRecord::Base
has_many :comments, :order => 'created_at DESC'
end
class Comment < ActiveRecord::Base
belongs_to :article
...