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as we know, the Sun JVM divides the garbage collector into 3 pieces of heap space: Young Gen: The younger generation, which includes 1 Eden Districts and 2 suvivor areas, the newly created objects (most of which are short cycle objects) will enter

Macro Definition #define APLLCON0 * (volatile unsigned int *) 0xff500100), value is virtual address question : GDB tracing Debug When you want to view the value of this macro, you are prompted as follows: No symbol "APLLCON0" in the current

Too many devices are specified for backup or restore operations; only 64 devices are allowed. The RESTORE database operation terminated abnormally. When you restore a database, there are too many devices specified for the backup or restore

In the previous article, I introduced several forms of the classification of the library and play, but also focused on the vertical library brought about by the problems and solutions. In this article, we will continue to talk about some of the

I don't know if you realize that the "right" way to implement heterogeneous applications to application communications revolves around what is going on: while the current mainstream approach is clearly focused on the Web services domain based on

What to do if you encounter parameter index out of range (1 > # of parameters, which is 0). May 12, 2011, Thursday 23:45 Parameter index out of range (1 > # parameters, which is 0) was encountered and many errors were checked. Finally found that

Query performance tuning is a big topic, where the technology involved is very broad, but we can generally divide it into the following levels: 1. Reduce data access. The related technique is to create an appropriate index that converts

Original from: http://space.itpub.net/519536/viewspace-693689 The V$lock view is often used when diagnosing common failures such as locks waiting for such a database, and the meaning of ID1 and ID2 in this view is often mentioned.   Understanding

One, session tracking (sessions tracking) technologyA session is a connection time period in which a client sends a request and the server returns a response.HTTP is a stateless protocol: each time it is a separate connection, the client's

Talking about CRM does not mention Siebel and talk about the carpenter does not mention Luban is just as unreasonable. I am from the reporter interview Siebel the first Chinese area manager Wang Qiang's article to seek to feel out. Wang Qiang said 1

Perhaps you know oca, OCP, ocm relationship is a more difficult than a test, a higher than a gold, but you know the specific test subjects, test methods, employment situation difference. If you don't know it, this article will make you glance at the

In use EXPTools for exporting BackupOr migrate the data sometimes will report a lot of "exp-00091:exporting questionable statistics" error, the specific phenomenon and processing method please watch ... 1. The phenomenon of problems [oracle@rh207

Chart Control WinForms Controls > Controls > Chart Control The DevExpress WinForms Charts Suite provides over different 2D and 3D chart types, ranging from simple bar and pie Cha RTS, to complex financial charts such as stock and

Given a non-negative number represented as an array of digits, plus one to the number. The digits is stored such, the most significant digit was at the head of the list. Topic Analysis: The number represented by the array, +1, to get the result.

Maas and JuJu are Ubuntu products, recently want to play OpenStack, see if you can deploy an experimental environment, although finally found that Maas and juju pattern is very useful but the official documents to the thing is too little, here I do

I. Some concepts and understandings about Kafka Kafka is a distributed data flow platform that provides high-performance messaging system functionality based on a unique log file format. It can also be used for large data stream pipelines. Kafka

Environment for manual Installation: Linux:centos 7.4.17 stackstorm:2.6 1. Use the command Getenforce to check if SELinux is in enforcing mode 2. If enforing is returned, execute the command: sudo yum install-y Policycoreutils-python # SELinux

1.gradle Project Java projects created in Eclipse are managed with Gradle. What I'm going to review is the knowledge of using testng in Gradle. First testng the environment configuration as in the previous article. There are 2 Java files in the

Want to learn SEO, then we first from the most basic search engine syntax, the following collation Baidu, Yahoo, Google search for the three major high-level grammar and application. Baidu Search Advanced Grammar 1. Limit the search scope to the

Problem descriptionWant to install a high version of CAD, can install error always error 1603. Specific performance isDESKTOP-F7K8C37???? Installing Microsoft Visual C + + SP1 Redistributable (x86):