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Migration: Cannot add foreign key constraint
... $table->engine = 'InnoDB'; is required to enforce foreign key at MySql level. The default laravel engine is MyIsam wich not support foreign keys !
– François Breton
Oct 9 '15 at 18:16
...
How to resolve “Error: bad index – Fatal: index file corrupt” when using Git
...have accidentally corrupted the .git/index file with a sed on your project root (refactoring perhaps?) with something like:
sed -ri -e "s/$SEACHPATTERN/$REPLACEMENTTEXT/g" $(grep -Elr "$SEARCHPATERN" "$PROJECTROOT")
to avoid this in the future, just ignore binary files with your grep/sed:
sed -r...
How do I test a file upload in rails?
...ctionDispatch::Http::UploadedFile.new({
:tempfile => File.new(Rails.root.join("test/fixtures/files/test.jpg"))
})
assert model.valid?
This way you can use the same methods you are using in your validations (as for example tempfile).
...
ASP.NET MVC on IIS 7.5
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This fixed the 403.14 on the root, and 404 on other controller methods for my MVC app. There is still something fishy here, however, because I have another app running on the same server with the same visible site settings, and it works without this sett...
java.lang.OutOfMemoryError: Java heap space
...in your application
If you find memory leaks in your application, find the root cause with help of profiling tools like MAT, Visual VM , jconsole etc. Once you find the root cause, fix the leaks.
Important notes from oracle article
Cause: The detail message Java heap space indicates object cou...
How can I Remove .DS_Store files from a Git repository?
...ates the file if not present, this command should be executed from project root folder
– Saif
Aug 2 '17 at 7:44
@Saif ...
How do I mock a service that returns promise in AngularJS Jasmine unit test?
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@JimAho Typically you just inject $rootScope and call $digest on that.
– dnc253
May 18 '15 at 15:39
1
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...结构体或类的成员变量。如果必须使用，一定要认真考虑如何分配和释放。
5．下面介绍一种比较复杂的情况，利于对问题的深入理解。例如我们现在用到的ICF底层库就有很多类似下面的函数：
void CTestDlg::GetString(BSTR* state)
...
How to use gitignore command in git
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There is a file in your git root directory named .gitignore. It's a file, not a command. You just need to insert the names of the files that you want to ignore, and they will automatically be ignored. For example, if you wanted to ignore all emacs autos...
How do I detect “shift+enter” and generate a new line in Textarea?
...
)
}
}
ReactDOM.render(<App />, document.getElementById('root'));
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.1.0/react-dom.min.js"></script>
<d...