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Hibernate Criteria returns children multiple times with FetchType.EAGER

...of the outer joined result but returns all the duplicates of the driving table. If you have 5 orders in the database, and each order has 3 line items, the resultset will be 15 rows. The Java result list of these queries will have 15 elements, all of type Order. Only 5 Order instances will ...
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How to highlight text using javascript

...xt"); let searchContainer = document.body; // document.getElementById("someTable"); let highlighter = new SearchTools.InstantSearch(searchContainer, [ { token: "this is the text to highlight" // searchText.value, className: "highlight", // this is the individual highlight class ...
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What’s the difference between ScalaTest and Scala Specs unit test frameworks?

... Mockito has been given a nice BDD support in specs: Mockito specs has DataTables which allow to group a lot of small example in a sort of table (if you can stand operators being used as the table delimiters) In specs, you can define examples which are nested as libidum and automatically cleaned-up ...
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How do I obtain a Query Execution Plan in SQL Server?

...mat. Notes: Because there are so many factors involved (ranging from the table and index schema down to the data stored and the table statistics) you should always try to obtain an execution plan from the database you are interested in (normally the one that is experiencing a performance problem)....
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How many files can I put in a directory?

... I had the same. I have migrated a table's blob column, each blob column I have exported as a file. It's around 8 million files :) – Spike Aug 26 '19 at 14:42 ...
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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术

9个常用iptables配置实例iptables命令可用于配置Linux的包过滤规则,常用于实现防火墙、NAT。咋一看iptables的配置很复杂,掌握规律后,其实用iptables完成指定任务...iptables命令可用于配置Linux的包过滤规则,常用于实现防火墙、NAT。...
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What is the difference between Strategy design pattern and State design pattern?

...that useful. You can always implement finite state machines using a lookup table (it's not an OO way, but it works pretty well). Strategy is used for the following [GoF book p. 316]: many related classes differ only in their behavior. Strategies provide a way to configure a class with one of...
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How to style a checkbox using CSS

...leapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <table style="width:100%"> <tr> <td>Normal:</td> <td><input type="checkbox" /></td> <td><input type="checkbox" checked="checked" /></td> <td&gt...
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Difference between rake db:migrate db:reset and db:schema:load

...e creates the database db:drop deletes the database db:schema:load creates tables and columns within the (existing) database following schema.rb db:setup does db:create, db:schema:load, db:seed db:reset does db:drop, db:setup db:migrate:reset does db:drop, db:create, db:migrate Typically, you woul...
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What does O(log n) mean exactly?

...gorithm performance. Some grown faster as the input n grows. The following table demonstrates said growth numerically. In the table below think of log(n) as the ceiling of log_2. Simple Code Examples Of Various Big O Categories: O(1) - Constant Time Examples: Algorithm 1: Algorithm 1 prints...