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驯服Linux OOM Killer（优质英文资料翻译） - 操作系统(内核) - 清泛网移动...
...数量的进程（如果可能限制为一个）的基础上确定的）。badness 分数是使用进程的原始内存大小、它的 CPU 时间 (utime + stime)、运行时间 (uptime - start time) 和它的oom_adj值来计算的。进程使用的内存越多，分数就越高。进程在系统中...
What is a stream?
What is a stream in the programming world? Why do we need it?
6 Answers
6
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In which case do you use the JPA @JoinTable annotation?
...ribute. In fact, recent versions of Hibernate refuse to start up by printing the following error:
org.hibernate.AnnotationException:
Associations marked as mappedBy must not define database mappings
like @JoinTable or @JoinColumn
Let's pretend that you have an entity named Project and a...
System.Data.SQLite Close() not releasing database file
I'm having a problem closing my database before an attempt to delete the file. The code is just
17 Answers
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What algorithm gives suggestions in a spell checker?
What algorithm is typically used when implementing a spell checker that is accompanied with word suggestions?
5 Answers
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Big-O summary for Java Collections Framework implementations? [closed]
I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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Plot correlation matrix into a graph
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Quick, dirty, and in the ballpark:
library(lattice)
#Build the horizontal and vertical axis information
hor <- c("214", "215", "216", "224", "211", "212", "213", "223", "226", "225")
ver <- paste("DM1-", hor, sep="")
#Build the fake correlat...
What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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javascript set a variable if undefined
I know that I can test for a javascript variable and then define it if it is undefined, but is there not some way of saying
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What is the difference between YAML and JSON?
What are the differences between YAML and JSON, specifically considering the following things?
13 Answers
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