大约有 44,000 项符合查询结果(耗时:0.0510秒) [XML]

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Gridview with two columns and auto resized images

...suredWidth(), getMeasuredWidth()); //Snap to width } } Make a layout for a grid item using this SquareImageView and set the scaleType to centerCrop: res/layout/grid_item.xml <?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/androi...
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Check whether an input string contains a number in javascript

... You can do this using javascript. No need for Jquery or Regex function isNumeric(n) { return !isNaN(parseFloat(n)) && isFinite(n); } While implementing var val = $('yourinputelement').val(); if(isNumeric(val)) { alert('number'); } else { alert('not num...
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How do I join two SQLite tables in my Android application?

...d belongs to which table, and what if both tables had the same column name for some column? or if there are multiple items for the second table? – android developer Jan 10 '15 at 23:26 ...
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Put buttons at bottom of screen with LinearLayout?

... Voted up just for the note on how to get a view to fill up all available space! Thank you, great answer! – lisa May 18 '16 at 22:50 ...
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Multiple Updates in MySQL

...t want that row to be inserted. what should id do? because i am fetching information from another site which maintains tables with id's. I am inserting values with respect to that id. if the site has new records then i will end up inserting only the ids and count except all other information. if and...
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.Contains() on a list of custom class objects

... You need to implement IEquatable or override Equals() and GetHashCode() For example: public class CartProduct : IEquatable<CartProduct> { public Int32 ID; public String Name; public Int32 Number; public Decimal CurrentPrice; public CartProduct(Int32 ID, String Name, In...
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What is the “owning side” in an ORM mapping?

... the case of objects. In databases we only have unidirectional relations - foreign keys. What is the reason for the name 'owning side'? The owning side of the relation tracked by Hibernate is the side of the relation that owns the foreign key in the database. What is the problem that the notion ...
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How do you list the primary key of a SQL Server table?

... SELECT Col.Column_Name from INFORMATION_SCHEMA.TABLE_CONSTRAINTS Tab, INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE Col WHERE Col.Constraint_Name = Tab.Constraint_Name AND Col.Table_Name = Tab.Table_Name AND Constraint_Type = 'PRIMARY KEY'...
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What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association

...em will actually contain a pointer to the other. Since there is 1 customer for N orders, each order contains a foreign key to the customer it belongs to. This is the "connection" and this means the order "owns" (or literally contains) the connection (information). This is exactly the opposite from t...
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Modifying location.hash without page scrolling

... Thanks Borgar. It puzzles me though that you're appending the fx div before deleting the target node's id. That means there's an instant in which there are duplicate ID's in the document. Seems like a potential issue, or at least bad manners ;) – Ben Jun 18...