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Should Gemfile.lock be included in .gitignore?
...ee CRM.
My preference is postgres, but we want the default database to be mysql2.
In this case, Gemfile.lock still needs be checked in with the default set of gems, but I need to ignore changes that I have made to it on my machine. To accomplish this, I run:
git update-index --assume-unchanged G...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...导致加载和执行缓慢,所以我们就来看看Lint这个工具是如何发现优化这些问题的(当然了,Lint实际的功能是非常强大的,我们开发中也是经常使用它来发现一些问题的,这里主要有点针对UI性能的说明了,其他的雷同)。
在And...
PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...和聚合的平台Sentry实战不管你用什么编程语言,都会面临如何处理错误日志的问题。很多程序员对错误日志放任自流,直到出现故障了才追悔莫及,如果问我怎么办,我会...不管你用什么编程语言,都会面临如何处理错误日志的...
ATL COM开发入门(一)(JS调用ActiveX/COM组件) - C/C++ - 清泛网 - 专注C/C++及内核技术
...它进行COM开发。本文通过一个基础入门的例子,简要介绍如何定义、实现C...ATL(Active Template Library)动态模板库,是一个类库,可以使用它进行COM开发。本文通过一个基础入门的例子,简要介绍如何定义、实现COM接口,前台如何...
ATL COM开发入门(二)(ActiveX/COM组件回调JS) - C/C++ - 清泛网 - 专注C/C++及内核技术
...OM组件回调JS)ATL回调js函数、ATL定时器使用方法、ATL后台如何获取并操作前台DOM元素。本文代码基于上篇《ATL COM开发入门(一)(JS调用ActiveX/COM组件)》。
完成的需求:后台ATL代码回调前台js函数,后台ATL启动定时器完成前台...
任何组件块 · App Inventor 2 中文网
... 参数为 true 组件。
考虑以下事件处理伪代码,看看它是如何工作的:
发生一个事件,例如用户单击名为 Button1 的按钮。
组件被初始化为Button1。
notAlreadyHandled 初始化为true。
App Inventor 检查 when Button1.Click 是否存在。
...
Insert into … values ( SELECT … FROM … )
... struggle to remember the correct syntax for the SQL engine of the day ( MySQL , Oracle , SQL Server , Informix , and DB2 ).
...
How to find Unused Amazon EC2 Security groups
... from complete. So I decided to write my own script. I used the AWS CLI, MySQL and some “Bash-foo” to perform the following:
Get a list of all EC2 security groups.
I store the group-id, group-name and description in a tabled called “groups” in a MySQL database called aws_security_groups ...
Preserve Line Breaks From TextArea When Writing To MySQL
...s two method steps for preserve same text which is in textarea to store in mysql
and at a getting time i can also simply displaying plain text.....
step 1:
$status=$_POST['status'];<br/>
$textToStore = nl2br(htmlentities($status, ENT_QUOTES, 'UTF-8'));
In query enter $textToStore....
step 2:
...
Best database field type for a URL
I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length?
...
