1.字典键-值对中，值元素的便捷创建增减主要是利用collections中的defaultdict普通复杂过程：pairs=[('a',1),('a',2),('b',2)]d={}forkey,valueinpairs:ifkeynotind:d[key]=[]d[key].append(value)或d={}#普通字典d.setdefault('a',[]).append(1)d.setdefault('a',[]).append(2)d.setdef
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环境MacPython3.6.4Atom背景Atom执行PythonCode使用ScriptPackage，执行快捷键cmd+i。但是默认是执行Mac系统的2.7版本的Python。配置cmd+，(cmd+逗号)快捷键打开Settings，或者点击Atom→Preferences打开Settings点击OpenConfigFolder（会打开Atom的Project）打开.atom/packages/script/lib/grammars/python.c
系统 2019-09-27 17:46:08 1937
文章先介绍了关于俄罗斯方块游戏的几个术语。边框――由10*20个空格组成，方块就落在这里面。盒子――组成方块的其中小方块，是组成方块的基本单元。方块――从边框顶掉下的东西，游戏者可以翻转和改变位置。每个方块由4个盒子组成。形状――不同类型的方块。这里形状的名字被叫做T,S,Z,J,L,I,O。如下图所示：模版――用一个列表存放形状被翻转后的所有可能样式。全部存放在变量里，变量名字如S_SHAPE_TEMPLATEorJ_SHAPE_TEMPLATE着陆――
系统 2019-09-27 17:37:44 1937
1.从“站点+MYOP平台+应用”三层架构--------》到“站点（shindig插件）+应用(符合opensocial规范)”两层架构，速度带来提升。2.做UCHOME的Opensocial插件，可参考partuza：http://code.google.com/p/partuza/PartuzaisanexampleOpenSocial-SocialNetworkSitethatusesApacheShindig.3.开发的应用略微修改、或不经修改应
系统 2019-08-29 23:46:29 1937
struts官方网址：http://struts.apache.org1.新建web工程,导入基本的5个jar包：commons-logging-1.0.4.jarfreemarker-2.3.8.jarognl-2.6.11.jarstruts2-core-2.0.14.jarxwork-2.0.7.jar2.配置web.xml过滤器struts2org.a
系统 2019-08-29 23:37:56 1937
实例应用我们以《RapidWebDevelopmentmitRubyonRails》中的一个例子“项目管理应用”来描述Rails的REST方面的特性。首先创建一个rails的应用：(原书中的rails为1.2)>railsontrack创建开发和测试的数据库。>mysql-urails-pEnterpassword:*****mysql>createdatabaseontrack_development;mysql>createdatabaseontrac
系统 2019-08-29 23:32:01 1937
howtomakeadragdivision-<ahref="http://www.never-online.net"target="_blank"><ahref="http://www.never-online.net"target="_blank">http://www.never-online.net<</span>
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<span class="note" onclick="if (jq.browser.versions.mobile) {window.location.href='/article/16487';}else{window.open('/article/16487');}" style="cursor: pointer;">重新索引互联网http://www.ifanr.com/40769重新索引互联网Facebook雇佣公关抹黑Google的过程已经水落石出。问题是：Google那么多产品，Facebook为何对SocialCircle这么敏感？Google：索引互联网Google号称自己的使命是“索引互联网”。这件事的难点并非派出多少爬虫，而是对收集来的海量内容做排序：怎样让真正重要的网页，的排到Google搜索结果的前面来？Google的搜索结果排序有其他算法的辅助和人</span>
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