大约有 1,090 项符合查询结果（耗时：0.0150秒） [XML]
Spring @Transactional - isolation, propagation
...t is either using xml Or annotation
manager.setPropagationBehavior(XX);
manager.setIsolationLevelName(XX);
status = manager.getTransaction(Def);
}
public void commitTransaction()
{
if(status.isCompleted()){
...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...rror LNK2001: unresolved external symbol "void __cdecl foo(void)" (?foo@@YAXXZ)
1>test2.obj : error LNK2001: unresolved external symbol "int x" (?x@@3HA)
1>test2.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall A::~A(void)" (??1A@@UAE@XZ)
1>test2.obj : error LNK20...
select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...等待队列中并不代表进程已经睡眠了）。在设备收到一条消息（网络设备）或填写完文件数据（磁盘设备）后，会唤醒设备等待队列上睡眠的进程，这时current便被唤醒了。
（6）poll方法返回时会返回一个描述读写操作是否就绪...
What is the difference between partitioning and bucketing a table in Hive ?
... While creating table you can specify like CLUSTERED BY (employee_id) INTO XX BUCKETS; where XX is the number of buckets . Bucketing has several advantages. The number of buckets is fixed so it does not fluctuate with data. If two tables are bucketed by employee_id, Hive can create a logically corr...
得合伙人者得天下：腾讯五虎、新东方三驾马车、携程四君子、复旦五虎 - 资...
...们魏一搏打了个电话，当时只是想告诉他自己要创业了的消息，没想到几分钟之后魏一博回电说决定一起创业。两人分别卖掉自己的一套房子，凑到了150万元的创业启动资金。
上下铺兄弟的十年试错之旅
学校：清华大学
创...
Which cryptographic hash function should I choose?
... just not feasible to do so. Not for MD5 and not for Skein.
MD5/SHA1/Sha2xx have no chance collisions
All the hash functions have collisions, its a fact of life. Coming across these collisions by accident is the equivalent of winning the intergalactic lottery. That is to say, no one wins the int...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...ve, the OS X version of Perl also has two more ways:
The /Library/Perl/x.xx/AppendToPath file. Paths listed in this file are appended to @INC at runtime.
The /Library/Perl/x.xx/PrependToPath file. Paths listed in this file are prepended to @INC at runtime.
...
Logging levels - Logback - rule-of-thumb to assign log levels
...ated dependency... e.g. database, REST example would be it has received a 4xx error from a dependency). Get me (maintainer of this component) out of bed.
WARN - This component has had a failure believed to be caused by a dependent component (REST example would be a 5xx status from a dependency). Get...
廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...配置文件的 net 选项中
allow-two-primaries yes;
安装 cman 底层消息通讯 + 全局锁功能
ccs_tool create gfscluster
ccs_tool addnode -n 1 -v 1 gfs_1
ccs_tool addnode -n 2 -v 1 gfs_2
查看节点
ccs_tool lsnode
3.5再次启动 drbd 服务
service drbd stop
如果之...
程序员之网络安全系列（二）：如何安全保存用户密码及哈希算法 - 更多技术 ...
.... 典型的哈希算法包括 MD2、MD4、MD5 和 SHA-1
Hash算法是给消息生成摘要，那么什么是摘要呢？
举个例子： > 比如你给你女朋友写了一封邮件，确保没被人改过，你可以生成这样一份摘要 “第50个字是我，第100个字是爱， 第998个...