大约有 40,000 项符合查询结果（耗时：0.0714秒） [XML]
How do we count rows using older versions of Hibernate (~2009)?
For example, if we have a table Books, how would we count total number of book records with hibernate?
8 Answers
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What's the difference between equal?, eql?, ===, and ==?
...programming languages, such as Ruby, provide a collection type called hash table. Hash tables are dictionary-like collections which store data in pairs, consisting of unique keys and their corresponding values. Under the hood, those keys are stored as hashcodes. Hash tables are commonly referred to ...
HTML span align center not working?
...wing style. margin:auto normally used to center align the content. display:table is needed for span element
<span style="margin:auto; display:table; border:1px solid red;">
This is some text in a div element!
</span>
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JSON to pandas DataFrame
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Which final table do you expect ? The one you got after your edit ?
– Raphaël Braud
Jan 14 '14 at 22:51
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Parsing JSON using Json.net
...rays and Objects. These correspond here to the datatypes ArrayList and Hashtable.
/// All numbers are parsed to doubles.
/// </summary>
using System;
using System.Collections;
using System.Globalization;
using System.Text;
public class JSON
{
public const int TOKEN_NONE = ...
Base64 encoding in SQL Server 2005 T-SQL
...S VARCHAR(MAX)
) ASCIIEncoding
;
I had to use a subquery-generated table in the first (encoding) query because I couldn't find any way to convert the original value ("TestData") to its hex string representation ("5465737444617461") to include as the argument to xs:hexBinary() in the XQuery s...
Why do people hate SQL cursors so much? [closed]
...I. Cursors are how parts of the RDBMS work under the hood. Often CREATE TABLE and INSERT have SELECT statements, and the implementation is the obvious internal cursor implementation.
Using higher-level "set-based operators" bundles the cursor results into a single result set, meaning less API b...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...) for the list marker or adjust its position
This method is also not suitable for the <img> tag as the conversion cannot be made between element types, and here's the limited, non compliant hack that doesn't work on Chrome.
Good candidate method, see conclusions...
CSS3's border-image...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...c...
You can look up the blocks of Unicode by type here:
http://unicode-table.com/en/
If you know you're translating Arabic or Telegu or whatever, you can just replace those codes, not all 65,000.
You could apply this same sledgehammer to simple encoding:
$str=str_replace("\u$hex",chr($i),$st...
How does this giant regex work?
...PHP to see the corresponding output, or look up each character in an ASCII table
– Michael Mrozek
Jul 25 '10 at 6:14
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