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What are the First and Second Level caches in Hibernate?
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Using the HTML5 “required” attribute for a group of checkboxes?
...m field is empty/blank;
and the submit button is clicked;
the browsers detects that the "required" field is empty and does not submit the form; instead browser shows a hint asking the user to type text into the field.
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When should I use a composite index?
...his:
index_id geolat geolng
1 20.1243 50.4521
2 20.1244 61.1564
3 20.1251 55.4562
4 20.1293 66.5756
5 20.1302 57.4564
6 20.1311 54.2542
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Therefore the second column of the composite index is basically useless! The speed of your query with a com...
What does it mean to “program to an interface”?
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answered Dec 21 '08 at 0:59
kdgregorykdgregor...
Undo a Git merge that hasn't been pushed yet
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Randomize a List
What is the best way to randomize the order of a generic list in C#? I've got a finite set of 75 numbers in a list I would like to assign a random order to, in order to draw them for a lottery type application.
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What is the difference between require_relative and require in Ruby?
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Parsing Visual Studio Solution files
... that merges multiple solutions into one while saving the relative build order.
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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
ros 基本调试原文地址：http: www.reactos.org wiki Debugging欢迎拍砖。。本文讲述了调试ROS的各种方法和必要步骤。目录1.简介2.可用的调试方法2.1通...原文地址：http://www.reactos.org/wiki/Debugging
欢迎拍砖。。
本文讲述了调试ROS的各种方...
How to use Git and Dropbox together effectively?
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I wonder what'll happen if you push to the dropbox bare repo from two machines at the same time. If it'll cause a modification in one of gi...