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Xcode运行项目到真机时出现:... while your device is locked.
问题:Development cannot be enabled while your device is locked. 分析原因:由于第一次连接MAC时,在设备上点击了"不信任"选项,所以XCode 8不能访问手机,所以才出现这个问题.。 解决办法:Apple官网的解释:https://supp ...
分类:其他好文   时间:2017-02-17 10:04:28    阅读次数:189
oracle,查看锁表
(1)锁表查询的代码有以下的形式:select count(*) from v$locked_object;select * from v$locked_object;(2)查看哪个表被锁select b.owner,b.object_name,a.session_id,a.locked_mode ...
分类:数据库   时间:2017-02-14 21:41:03    阅读次数:165
scott/tiger is locked 解决办法
在plsql developer中要是以scott/tiger登录时提示ora-28000 the account is locked。 解决办法: 新装完Oracle10g后,用scott/tiger测试,会出现以下错误提示: oracle10g the account is locked ora ...
分类:其他好文   时间:2017-02-04 22:02:08    阅读次数:208
Oracle检查锁及其等待的行ROWID
SELECT l.session_id sid , substr(o.owner, 1, 8) owner, o.object_type object_type, substr(o.object_name, 1, 18) object_name, decode(l.locked_mode, 0, ' ...
分类:数据库   时间:2017-02-04 16:56:29    阅读次数:310
POJ 1149 PIGS(Dinic最大流)
PIGS Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20738 Accepted: 9481 Description Mirko works on a pig farm that consists of M locked p ...
分类:其他好文   时间:2017-01-26 16:31:09    阅读次数:207
codeforces 126B
Asterix, Obelix and their temporary buddies Suffix and Prefix has finally found the Harmony temple. However, its doors were firmly locked and even Obe ...
分类:其他好文   时间:2017-01-13 22:31:45    阅读次数:376
Oracle查询死锁&杀死会话
select object_name,machine,s.sid,s.serial# from v$locked_object l,dba_objects o ,v$session s where l.object_id = o.object_id and l.session_id=s.sid; a ...
分类:数据库   时间:2017-01-10 17:29:38    阅读次数:167
POJ1149 PIGS [最大流 建图]
PIGS Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20662 Accepted: 9435 Description Mirko works on a pig farm that consists of M locked p ...
分类:其他好文   时间:2017-01-06 23:58:12    阅读次数:427
POJ 1149 PIGS
PIGS Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20582 Accepted: 9389 Description Mirko works on a pig farm that consists of M locked p ...
分类:其他好文   时间:2016-12-31 11:29:21    阅读次数:253
ORA-00060:等待资源时检测到死锁的一种处理方法
先执行脚本: SELECT p.sipid, a.serial#, c.object_name, b.session_id, b.oracle_username, b.os_user_name FROM v$process p, v$session a, v$locked_object b, all ...
分类:其他好文   时间:2016-12-27 23:04:14    阅读次数:6063
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