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UNIX Tutorial Four
4.1 Wildcards The * wildcard The character * is called a wildcard, and will match against none or more character(s) in a file (or directory) name. For ...
分类:其他好文   时间:2017-01-28 09:24:48    阅读次数:247
redis取值报错
> get "all_couriers_on_the_job" (error) ERR Operation against a key holding the wrong kind of value #类型不对,所以报错,先查看值的类型: > type "all_couriers_on_the_jo... ...
分类:其他好文   时间:2017-01-09 23:19:26    阅读次数:443
【线段树区间合并】HDU1540-Tunnel Warfare
一、题目 Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Genera ...
分类:其他好文   时间:2016-12-28 21:25:00    阅读次数:364
.NET开发 MVC项目 添加Controller出现的错误:无法检索到元数据
ERROR: Microsoft Visual Studio 无法检索“MvcMusicStore.Models.Album”的元数据。Using the same DbCompiledModel to create contexts against different types of datab ...
分类:Web程序   时间:2016-12-27 22:24:21    阅读次数:1301
Python None comparison: should I use “is” or ==?
Use is when you want to check against an object's identity (e.g. checking to see if var is None). Use == when you want to check equality (e.g. Is var  ...
分类:编程语言   时间:2016-12-27 14:13:12    阅读次数:175
How To Use DBLink In Oracle Forms 6i
You want to connect multiple databases in oracle forms to perform certain tasks, for example you need to execute ddl or dml statements against databas... ...
分类:数据库   时间:2016-12-25 23:26:00    阅读次数:332
MySQL全文索引 FULLTEXT索引和like的区别
1.概要 InnoDB引擎对FULLTEXT索引的支持是MySQL5.6新引入的特性,之前只有MyISAM引擎支持FULLTEXT索引。对于FULLTEXT索引的内容可以使用MATCH()…AGAINST语法进行查询。 为了在InnoDB驱动的表中使用FULLTEXT索引MySQL5.6引入了一些新 ...
分类:数据库   时间:2016-12-20 14:09:43    阅读次数:342
WRONGTYPE Operation against a key holding the wrong kind of value:类型搞混弄出的错误
今天用C# 连接Redis做性能测试,用的接口是StackExchange.Redis,按照正常的思路获取数据库连接,代码如下: 然后就向里边添加数据,类似的代码如下: 弄完以后用Redis-cli连接Redis,命令是: 登录成功以后用get的方式获取如:get 1,发现报错:WRONGTYPE ...
分类:其他好文   时间:2016-12-13 18:59:04    阅读次数:194
cosbench read异常解决办法。 Unable to verify integrity of data download. Client calculated content hash didn't match hash calculated by Amazon S3. The data may be corrupt.
问题:cosbench read测试failed 报错如下 Cosbench v0.4.2.c4 against Ceph (Hammer) / radosgw / HAproxy's HTTP end point. All seems fine except that at the end of ...
分类:其他好文   时间:2016-12-07 13:20:41    阅读次数:1779
Redis报错:WRONGTYPE Operation against a key holding the wrong kind of value 解决处理
首先应该明白报这个错误说明了你用的jedis方法与redis服务器中存储数据的类型存在冲突。例如:数据库中有一个key的数据存储的是Hash类型的,但是你使用jedis执行数据操作的时候却使用了非Hash的操作方法。此时就会报WRONGTYPE Operation against a key hol... ...
分类:其他好文   时间:2016-11-22 23:04:13    阅读次数:1307
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