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?Define (' Abc_critical ', 0);Define (' Abc_error ', 1);Define (' Abc_alert ', 2);Define (' Abc_warning ', 3);Define (' Abc_notice ', 4);Define (' Abc_info ', 5);Define (' Abc_debug ', 6);Define (' Abc_trace ', 7);Define (' Abc_var_dump ', 8);Define

There is a 8.3 rule for file naming.8 indicates the file name, which is *** in *****. xxx ***This part cannot exceed 8 characters. in DOS, if it exceeds 8 characters, it will not be recognized. the following XXX is an extension and does not have to

One important feature of FAT32 is its full support for long file names. The long file name is still recorded in the directory.   The system automaticallyCreates a short file name for all long file names.So that the corresponding data can be

1. DT View structure ContentDT + struct name either dt + struct name + addresskd> DT _object_headernt!_object_header +0x000 pointercount : int4b +0x004 handlecount : Int4B +0x004 nexttofree : Ptr32 Void +0x008 Type

1, DT View structure contentDT + struct name or dt + struct name + addresskd> DT _object_headernt!_object_header +0x000 pointercount : int4b +0x004 handlecount : Int4B +0x004 nexttofree : Ptr32 Void +0x008 Type :

Bypass Buffer Overflow Protection System -- [1-IntroductionRecently, some commercial security agencies have begun to propose some solutions to solve the buffer overflow problem. This article analyzes these protection schemes and introduces some

Regular Expressions (RegEx)--Quick referenceBasic knowledgeMatch anywhere: By default, regular expressions can match substrings anywhere in the searched string. For example, the regular expression ABC can match abc123, 123ABC, and 123abcxyz. To

Underlying type Although Swift is a new programming language designed to develop iOS and OS X apps, Swift's many features are similar to those of C and objective-c. Swift also provides basic data types similar to C and objective-c, including

//: Playground-noun:a Place where people can play//concise way to include the frame, write the frame name directlyImport UIKit//var str = "Hello, playground"//println ();//Use this function in swift1.0 to printPrint"Hello World")//swift2.0 Printing

Ios swift learning diary 2-basic part, iosswiftThe basic part of Swift is a new language for iOS and OS X application development. However, if you have C or Objective-C development experience, you will find that many Swift content is familiar to you.