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编译失败! Error: Your build failed due to an error in the AAPT stage,...

...n      [java] INFO: BUILD 1 FINISHED aia包属性有问题,导致的原因未知,待探索。。。 目前最好的办法就是重新建立一个项目,组件和代码拷贝过来。
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Downloading a large file using curl

... <?php set_time_limit(0); //This is the file where we save the information $fp = fopen (dirname(__FILE__) . '/localfile.tmp', 'w+'); //Here is the file we are downloading, replace spaces with %20 $ch = curl_init(str_replace("...
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How to change collation of database, table, column?

... You need to either convert each table individually: ALTER TABLE mytable CONVERT TO CHARACTER SET utf8mb4 (this will convert the columns just as well), or export the database with latin1 and import it back with utf8mb4. ...
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术

...允许的情况下我们会采用软负载,软负载解决的两个核心问题是:选谁、转发,其中最著名的是LVS(Linux Virtual Server)。 三、软负载——LVS LVS是四层负载均衡,也就是说建立在OSI模型的第四层——传输层之上,传输层上有...
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为什么我们程序员写不出好代码? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...提交的仓库里。如果代码行数都计算在内的话,原本一个问题只需10行代码即可解决,程序员有可能编写5000行代码,来让功能更加灵活和兼容,这样,他的代码总量就会增加5000行了。 衡量生产力反而会使代码变的更糟,让项目...
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Discuz轻松生成sitemaps.xml网站地图 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...针对论坛版块生成sitemaps xml:●建立一个名为cron_sitemaps php的文件;●复制以下代码区的内容到cron_sitemaps php中,并保存文件;PS:注意编码,选择自己DZ对应的编码,我 只针对论坛版块生成sitemaps.xml: ●建立一个名为“cron_sit...
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get current url in twig template?

...ttributes.get('_route_params')) %} The app global view variable contains all sorts of useful shortcuts, such as app.session and app.security.token.user, that reference the services you might use in a controller. share ...
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Include constant in string without concatenating

Is there a way in PHP to include a constant in a string without concatenating? 12 Answers ...
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How do I insert NULL values using PDO?

...akes a variable, to reference, and doesn't pull in a value at the time of calling bindParam. I found this in a comment on the php docs: bindValue(':param', null, PDO::PARAM_INT); EDIT: P.S. You may be tempted to do this bindValue(':param', null, PDO::PARAM_NULL); but it did not work for everybody...
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Can the jQuery UI Datepicker be made to disable Saturdays and Sundays (and holidays)?

... There is the beforeShowDay option, which takes a function to be called for each date, returning true if the date is allowed or false if it is not. From the docs: beforeShowDay The function takes a date as a parameter and must return an array with [0] equal to true/false indicating wh...