Dec主题的文章列表，还有Dec的技术要点_第9页

UnicodeEncodeError: 'gbk' codec can't encode character 'xa0' in position 263: i llegal multibyte sequence

UnicodeEncodeError:'gbk'codeccan'tencodecharacter'xa0'inposition263:illegalmultibytesequence UnicodeEncodeError:'gbk'codeccan'tencodecharacter'x??'inpositi...

代码星球 ·2021-02-11

UnicodeEncodeError: 'gbk' codec can't encode character 'xbb' in position

python实现爬虫遇到编码问题：error：UnicodeEncodeError:'gbk'codeccan'tencodecharacter'xXX'inpositionXX解决办法：改变标准输出fromurllibimportrequestimportioimportsyssys.stdout=io.TextIO...

代码星球 ·2021-02-11

Java BigDecimal 加减乘除运算

加法：add减法：subtract乘法：multiply除法：divide BigDecimalbignum1=newBigDecimal("10");BigDecimalbignum2=newBigDecimal("5");BigDecimalbignum3=null;//加法bignum3=bignum1...

代码星球 ·2021-02-11

morhia解决BigDecimal映射问题

错误信息：morphiaNousableconstructorforjava.math.BigDecimal解决办法：增加自定义类型转换器，代码如下packagecn.huilink.taozhiyin.mongodb.util;importorg.mongodb.morphia.converters.TypeConv...

代码星球 ·2021-02-11

BigDecimal在实际项目的应用及遇到的问题

我们都知道,java中对大小数,高精度的计算都会用到BigDecimal.但是在实际应用中,运用BigDecimal还是会遇到一些问题.下面说一下我在项目中怎么样BigDecimal和遇到的一些问题. 1.对商品的价格进行格式化,比如所有...

代码星球 ·2021-02-11

java 金额计算，商业计算 double不精确问题 BigDecimal，Double保留两位小数方法

解决办法==================http://blog.javaxxz.com/?p=763一提到Java里面的商业计算，我们都知道不能用float和double，因为他们无法进行精确计算。但是Java的设计者给编程人员提供了一个很有用的类BigDecimal，他可以完善float和double类无法进行精...

代码星球 ·2021-02-11

Failed to decode downloaded font

这是由于maven编译的问题。在resource里面让font和ttf结尾的文件通过今天又出现这个问题了。2018-12-1922:59<resources><resource><directory>src/main/webapp</directory><filte...

代码星球 ·2021-02-09

python2.7安装setuptools-36.6.0报ascii' codec can't decode byte 0xce in position 7问题

解决办法1：原文链接：http://blog.csdn.net/all_over_servlet/article/details/45112221修改编码为gbk，修改D:Python27Libtpath.py(位置由个人python安装目录决定)文件中的defjoin(path,*paths)函数，在函数内第一行加入...

代码星球 ·2021-02-08

Use of implicitly declared global variable

https://stackoverflow.com/questions/7604419/resharper-javascript-use-of-implicitly-declared-global-variable-x/8132307https://github.com/taye/interact.js/i...

代码星球 ·2021-02-08

What's the difference between using “let” and “var” to declare a variable in JavaScript?

https://stackoverflow.com/questions/762011/whats-the-difference-between-using-let-and-var-to-declare-a-variable-in-javThedifferenceisscoping. var issc...

代码星球 ·2021-02-08

IIS Manager could not load type for module provider 'SharedConfig' that is declared in administration.config

https://support.microsoft.com/en-ie/help/3151973/iis-shared-configuration-feature-requires-all-servers-to-run-the-sameYoushouldnotusetheSharedConfigurationfeatu...

代码星球 ·2021-02-08

Decorator pattern

https://www.codewars.com/kata/patterncraft-decorator/train/csharphttps://www.dofactory.com/net/decorator-design-pattern ...

代码星球 ·2021-02-08

decimal and double ToString problem

decimald2=0.0000002500m;Console.WriteLine(d2.ToString());doubled3=0.0000002500;Console.WriteLine(d3.ToString()); 输出结果是，0.00000025002.5E-07doubl...

代码星球 ·2021-02-08

SqlBulkCopy Precision Error from C# Double to Sql Decimal?

https://forums.asp.net/t/1300113.aspx?SqlBulkCopy+Precision+Error+from+C+Double+to+Sql+Decimal+BeforeIbulkcopydataintothedatabase,IuseDataTabletostorethebulkofd...

代码星球 ·2021-02-08

What size do you use for varchar(MAX) in your parameter declaration?

Inthiscaseyouuse-1.SeealsoMSDNdocs:msdn.microsoft.com/en-us/library/bb399384.aspxLargevaluetypescanbeusedinSqlParameterobjectsthesamewayyouusesmallervaluetypesi...

代码星球 ·2021-02-08