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MySQL 查询数据表里面时间字段为今天添加的计数
一:这样写 post_category_id的值只能是汉字,,数字就查不出来,不知道为什么,下面这条语句查出来的count值为0因为post_category_id的值是数字SELECT COUNT(*) FROM post WHERE post_category_id=18 AND DATE_FO...
分类:数据库   时间:2015-09-13 21:16:59    阅读次数:265
leetcode-ZigZag Conversion
题目描述:The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed fo...
分类:其他好文   时间:2015-09-13 17:19:51    阅读次数:184
leetcode [003] : Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
分类:其他好文   时间:2015-09-11 10:41:08    阅读次数:144
Heroku上部署django
1.Heroku https://dashboard.heroku.com/apps2.文档 https://devcenter.heroku.com/articles/getting-started-with-django3.error:"pg_config executable not fo.....
分类:其他好文   时间:2015-09-11 10:36:31    阅读次数:125
ZigZag Conversion
The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font fo...
分类:其他好文   时间:2015-09-10 15:40:36    阅读次数:171
Java 字符串格式化 —— java.util.Formatter
java.util.Formatter是JDK1.5新增的类,支持类似C中的printf风格的字符串格式化工作 Formatter有4个构造方法,如下: public Formatter() public Formatter(Appendable a) public Formatter(Locale l) public Fo...
分类:编程语言   时间:2015-09-10 02:11:06    阅读次数:493
【LeetCode】112 - Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
分类:其他好文   时间:2015-09-09 21:22:44    阅读次数:168
基于HT for Web的3D树的实现
在HT for Web中2D和3D应用都支持树状结构数据的展示,展现效果各异,2D上的树状结构在展现层级关系明显,但是如果数据量大的话,看起来就没那么直观,找到指定的节点比较困难,而3D上的树状结构在展现上配合HT fo...
分类:Web程序   时间:2015-09-09 06:21:11    阅读次数:226
Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
分类:其他好文   时间:2015-09-07 22:50:00    阅读次数:213
DICOM:DICOM三大开源库对比分析之“数据加载”
背景:上一篇博文“DICOM万能编辑工具之Sante DICOM Editor”介绍了DICOM万能编辑工具,在感叹Sante DICOM Editor神器牛掰的同时,想了解一下其底层是如何实现的。通过对比日常使用dcmtk、fo-dicom、dcm4che等开源库的兼容性推断Sante DICOM Editor很可能是基于dcmtk是实现的,本博文通过一个特殊数据来给大家对比一下三大开源库的兼容性。...
分类:其他好文   时间:2015-09-06 01:12:24    阅读次数:603
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