feature of local variable

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C language global variable and local variable problem and solution summary _c language

1, can local variables and global variable duplicate? A: Yes, the local will screen the overall situation. To use a global variable, you need to use the "::" Local variables can have the same name as global variables, and when referenced within a

Feature selection and feature learning of "feature engineering"

http://www.jianshu.com/p/ab697790090fFeature selection and feature learningIn the practical task of machine learning, it is very important to select a set of representative features for building the model. Feature selection typically chooses a

Review of data cleansing and feature processing in machine learning

A survey of data cleansing and feature processing in machine learning with the increase of the size of the company's transactions, the accumulation of business data and transaction data more and more, these data is the United States as a group

Thread local variable (thread-local variable)

What is a thread-local variable (thread-local variable). Easy to use threads: do not share sometimes the best ThreadLocal classes are quietly appearing in version 1.2 of the Java platform. Although supporting thread-local variables has long been

Summary of global variables and local variables in C Language

1. Can a local variable be renamed with a global variable? A: Yes. Global blocking will be performed in some cases. To use global variables, you must use "::" A local variable can have the same name as a global variable. A local variable with the

Overview of Feature selection in machine learning

1. Background 1.1 questionsIn the practical application of machine learning, the number of features may be more, in which there may be irrelevant features, there may be correlations between features, easy to lead to the following consequences:(1)

A survey of common algorithms for feature selection

Original: http://www.cnblogs.com/heaad/archive/2011/01/02/1924088.html1 reviews(1) What is feature selectionFeature Selection (Feature Selection) is also called feature subset selection (Feature subset Selection, FSS), or attribute selection

A survey of common algorithms for feature selection

(1) What is feature selectionFeature Selection (Feature Selection) is also called feature subset selection (Feature subset Selection, FSS), or attribute selection (Attribute Selection), which refers to the selection of a subset of features from all

A solution to the problem of local variable address and direct running program for GDB dynamic debugging in Linux environment

The underlying buffer overflow practice usually needs to determine the address of some local variables in the running state of the program, such as the start address of the input buffer that needs to be determined to obtain the start address of the

Static function (modifier function, local variable, global variable)

Static function (modifier function, local variable, global variable)In the C language, the literal meaning of static can easily lead us astray. In fact, it has three functions.(1) first introduce the first and most important one: hiding.When we

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