大约有 6,261 项符合查询结果(耗时:0.0222秒) [XML]

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AngularJS - placeholder for empty result from filter

... I use ng-controller="FooController as $ctrl" and did "bar in $ctrl.filteredBars = (bars | filter:barFilter)" so I could even use $ctrl.filteredBars.length outside the ng-repeat. Thanks for this epic hint! – xlttj ...
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Rails has_and_belongs_to_many migration

... Which comes first? foo or foo_bar? – B Seven Feb 27 '15 at 18:04 1 ...
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RegEx to exclude a specific string constant [duplicate]

...siest way would be to use a negative-match option, for example: $var !~ /^foo$/ or die "too much foo"; If not, you have to do something evil: $var =~ /^(($)|([^f].*)|(f[^o].*)|(fo[^o].*)|(foo.+))$/ or die "too much foo"; That one basically says "if it starts with non-f, the rest can be...
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Java's Interface and Haskell's type class: differences and similarities?

...tself, like how Comparable<T> does it, where you are expected to use Foo implements Comparable<Foo> so that the compareTo(T otherobject) kind of has type t -> t -> Ordering. But that still requires the programmer to follow this rule, and also causes headaches when people want to ma...
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Default value in Doctrine

... Use: options={"default":"foo bar"} and not: options={"default"="foo bar"} For instance: /** * @ORM\Column(name="foo", type="smallint", options={"default":0}) */ private $foo ...
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A numeric string as array key in PHP

...hat the behaviour is similar but not identical to JavaScript object keys. foo = { '10' : 'bar' }; foo['10']; // "bar" foo[10]; // "bar" foo[012]; // "bar" foo['012']; // undefined! share | improv...
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Create a new object from type parameter in generic class

... This is a WRONG answer, even in JavaScript. If you have a class Foo{ method() { return true; }, casting {} to T will not give you this method! – JCKödel Apr 26 '19 at 16:12 ...
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Best practices for SQL varchar column length [closed]

...). -- try to create a table with max varchar length drop table if exists foo; create table foo(name varchar(65535) not null)engine=innodb; MySQL Database Error: Row size too large. -- try to create a table with max varchar length - 2 bytes for the length drop table if exists foo; create table fo...
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Difference in make_shared and normal shared_ptr in C++

...ssary for both the control block and the data. In the other case, new Obj("foo") invokes a heap-allocation for the managed data and the std::shared_ptr constructor performs another one for the control block. For further information, check out the implementation notes at cppreference. Update I: Exc...
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How do arrays in C# partially implement IList?

...ce implementation. Here's a simple standalone example: public interface IFoo { void M1(); void M2(); } public class Foo : IFoo { // Explicit interface implementation void IFoo.M1() {} // Implicit interface implementation public void M2() {} } class Test { static ...