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Symfony2 : How to get form validation errors after binding the request to the form

... To get proper (translatable) messages, currently using SF 2.6.3, here is my final function (as none of above's seem to work anymore): private function getErrorMessages(\Symfony\Component\Form\Form $form) { $errors = array(); ...
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When to use LinkedList over ArrayList in Java?

...iki 25 revs, 16 users 33%Jonathan Tran 187 ...
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...条SQL后直接根据TARGET_AFFECT_ROW结果提交或回滚,可以减少网络等待时间(平均约0.7ms)。据我所知,目前阿里MySQL团队已将这些patch及提交给MySQL官方评审。 大促热点问题思考 以秒杀这个典型系统为代表热点问题根据多年经...
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When should I use semicolons in SQL Server?

...nator. It is a part of the ANSI SQL-92 standard, but was never used within Transact-SQL. Indeed, it was possible to code T-SQL for years without ever encountering a semicolon. Usage There are two situations in which you must use the semicolon. The first situation is where you use a Common Table Ex...
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How to check if field is null or empty in MySQL?

...F(d.narr IS NULL OR d.narr='''',t.narration,d.narr) AS NARRATION FROM trans_m AS t JOIN trans_dtl AS d ON(t.ID=d.TRANSID) JOIN acc_head L ON(D.ACC_ID=L.ID) JOIN VOUCHERTYPE_M AS V ON(T.VOUCHERTYPE=V.ID) WHERE T.CMPID=',COMPANYID,' AND d.ACC_ID=',LEDGERID ,' AND t.entdt>=''',F...
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Label encoding across multiple columns in scikit-learn

... You can easily do this though, df.apply(LabelEncoder().fit_transform) EDIT2: In scikit-learn 0.20, the recommended way is OneHotEncoder().fit_transform(df) as the OneHotEncoder now supports string input. Applying OneHotEncoder only to certain columns is possible with the Column...
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PhpStorm wrap/surround selection?

... How to create a live template to easily change Hello World into {{ trans 'Hello World' }}: Select something (word, condition) and press Cmd + Alt + T (on Mac) , Ctrl + Alt + T (on Windows). Available Surround With options dialog box will be displayed. Select Configure live templates. On th...
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SHFileOperation函数总结(文件夹移动、复制、删除) - C/C++ - 清泛网 -...

...到source中没有对文件夹操作!! !!!! SHFileOperation能操作网络文件 如果你想将本地文件复制到192.168.1.99 那么只要在192.168.1.99上共享123目录 然后将pTo设置为 就可以了 但不要设置为 对hNameMappings操作是Undocumented!! 如果...
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What's the difference between TRUNCATE and DELETE in SQL

... | Example: | | BEGIN TRAN | BEGIN TRAN | | TRUNCATE TABLE tranTest | DELETE FROM tranTest | | SELECT * FROM tranTest | SELECT * F...
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Passing HTML to template using Flask/Jinja2

... In trans tag this have to be used as {% trans something=something|safe %}A {{something}} B{% endtrans %} – Kangur Mar 26 '17 at 21:30 ...