furaoingqq的专栏

C语言　　虽说C语言在内存管理方面存在严重的缺陷，不过它还是在某些应用领域里称王称霸。对于那些要求最高的效率，良好的实时性，或者与操作系统内核紧密关联的程序来说，C仍然是很好的选择。　　C 良好的可移植性也为它加了分。不过现在很多其他的语言可移植性越来越好，C在这方面的优势可能会逐渐丧失。　　现有的很多程序可以产生非常棒的C代码，比如语法分析器、GUI Builder 等，这时候C语言

The reason why exception handling statements such as: try ... except ... exists is that a programmer may do manually handling of all compilation error by coding corresponding handler function, he or s

1. OS: Ubuntu 14.04.2 LTS2. Python Distribution: Anaconda-2.1.0-Linux-x86_64.sh (Python 2.7.8)3. Compiler: gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)

1. The property of a sorted sequence are as follows:       a) For an element with index x in a sorted sequence p, the following expression always holds:          p[index-1]        b) Every element

1. Python 2.7The write method of file object can only accetp py2.7 str type object as the argument, unicode type object is not accepted !

1. Php Unicode escape to utf8 bytefunction unescape($str) {    $str = rawurldecode($str);    preg_match_all("/(?:%u.{4})|&#x.{4};|&#\d+;|.+/U",$str,$r);    $ar = $r[0];    //print_r($ar); 

1. 1 Byte = 8 bits = 16 * 16 = "0xAA"

1. Removing all non-noun words will have a negative impact on LDA training

1. Simple and Natural DialogueDialogues should not contain irrelevant or rarely needed information. All information should appear in a natural and logical order.2. Speak the user's languageThe d

1. Run java byte programcommand: java XXXXThere is no need to include the ".class" affix to the program name when calling this java command. If so, an error will be thrown.2. Character encod

Machine learning, especially neural network, is a way to store the data in the neural network, compared to database-driven programing. Database-driven programming is implemented by hard-coded algorith

Match                  All                 Any                word(s).If you have any questions or comments,please visit us on the Forums. FAQ > How do I... (Level 2) > Run a

1. Ping www.baidu.com from Shanghai Downtown4000 ping around 23:00 PMPackage Loss Rate: 2%Average Latency: 8 ms

Windows CMD临时修改环境变量：set path = D:\javase\bin永久修改环境变量：set path = D:javase\bin;%path%

1. Java Class Path SettingClass path wildcards allow you to include an entire directory of .jar files in the class path without explicitly naming them individually.https://docs.oracle.com/java

From my personal understanding, all OS Api provided by Windows NT Platform are implemented throught C/C++ headers files, which means a non-C/C++ programming language has no way to directly access thes

"Data model" is a terminology appeared in the official python language reference. In the model inplemented by python, objects are python's abstration for data.It is worth mention that python has a

1. Array DeclarationC:int a[5] C++:int* a = new a[5]Java:int[] a = new int[5]Scala:val a:Array[Int] = new Array[Int](5)Python:a = List(5)