ORA-10704: Print out information about what enqueues are being obtained
文档解释ORA-10704:PrintoutinformationaboutwhatenqueuesarebeingobtainedCause:Whenenabled,printsoutargumentstocallstoksqcmiandksqlrlandthereturnvalues.Action:Levelind...
ORA-10706: Print out information about global enqueue manipulation
文档解释ORA-10706:PrintoutinformationaboutglobalenqueuemanipulationCause:Whenenabled,printsoutactivityinksiroutines.Action:Levelindicatesdetails:0-4:showargsforeach...
ORA-44803: Plan is in transition (about to be activated)
文档解释ORA-44803:Planisintransition(abouttobeactivated)Cause:Newplanwasattemptedtobecreatedbeforeactivatingthecurrentplan.Action:Completelysubmitthecurrentplananda...
About the Mean Shift
MeanShift算法，一般是指一个迭代的过程。即先算出当前点的偏移均值,移动该点到其偏移均值，然后以此为新的起始点,继续移动，直到满足一定的条件结束。meanshift可以被用来做目标跟踪和图像分割。参考《MeanShift：ARobustApproachTowardFeatureSpaceAnalysis》&nbs...
All about the “paper”
博采众长吧，看到有用的就记下来，提醒自己，方便他人。1、goodidea。写论文，goodidea很重要2、看论文。网友经验：看论文学知识的效率远比看书要快的多，很多人在刚开始看论文的时候，觉得有很多地方不懂，总想着是否要去重新去学习某本书？这是非常错误的，因为论文里涉及的只是某一本书里很小的一部分知识，如果你不懂，可...
Everything You Always Wanted to Know About SDRAM (Memory): But Were Afraid to Ask
It’scomingup onayearsincewepublishedourlastmemoryreview;possiblythelongesthiatusthissectionofthesitehaseverseen.Tobehonest,thereasonwe’verefrainedfromposti...
The last discussion about the inherit
pointabout inherit: 1：subclasscanget SuperClass`s message 2：subclassrewrite SuperClass`s message 3：manysubclass Shareapieceofme...
The last discussion about the prototype
1：createObject2：createfunction3：createarule：all instancemusthave__proto__,anditreferencetoFather'sprototype4：createarule：theprototypeisobject，andithasa&nbs...
tornado-About Web
1.轻量级的web开发框架，没有像django那样的命令行工具，只用于写一些小的脚本（1）安装tornado包pipintalltornado#condainstalltornado(Anaconda下)（2）安装成功后，在IDE中建立项目名example，在example下建立app.py:#coding=utf-8...
about clipping
DC可以看成是被分配在矩形中的像素的集合，当DC没有任何限制时，DC中的任何一个像素都是可以被写的（所以DC中的任何区域都是可以绘制的）。当事实上DC内部维护着三种不同的区域，当DC被绘制时，DC会对其拥有的区域进行裁剪(clipping)：系统区域（systemregion）系统区域又叫做可视区域，初始情况下系统区域...
A joke about regular expression
Astheoldcomputersciencejokegoes:“Let’ssayyouhaveaproblem,andyoudecidetosolveitwithregularexpressions.Well,nowyouhavetwoproblems.”...