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Uploading both data and files in one form using Ajax?
I'm using jQuery and Ajax for my forms to submit data and files but I'm not sure how to send both data and files in one form?
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
... ...
You have to take advantage of anonymous types and compose a type for the multiple columns you wish to compare against.
This seems confusing at first but once you get acquainted with the way the SQL is composed from the expressions it will make a lot more sense, under the covers this will ...
How to truncate a foreign key constrained table?
...t risks of damaging the data integrity.
Option 1:
Remove constraints
Perform TRUNCATE
Delete manually the rows that now have references to nowhere
Create constraints
Option 2: suggested by user447951 in their answer
SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE table $table_name;
SET FOREIGN_KEY_CHEC...
Get environment variable value in Dockerfile
I'm building a container for a ruby app. My app's configuration is contained within environment variables (loaded inside the app with dotenv ).
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MFC的多国语言界面的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...。现在我们需要添加相应的英文的资源文件。
为主窗口IDD_MULTILANGUAGES添加英文资源的方法为：
（1） 打开Resource View窗口。
（2） 右键IDD_MULTILANGUAGES，点击弹出菜单中的“Insert Copy”菜单，如下图所示。
（3） ...
How can I add a table of contents to a Jupyter / JupyterLab notebook?
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There is an ipython nbextension that constructs a table of contents for a notebook. It seems to only provide navigation, not section folding.
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Rails - How to use a Helper Inside a Controller
...|comment|
@comments << {:id => comment.id, :html => html_format(comment.content)}
end
end
end
Option 2: Or you can declare the helper method as a class function, and use it like so:
MyHelper.html_format(comment.content)
If you want to be able to use it as both an instanc...
Difference between .on('click') vs .click()
...ference is in usage patterns.
I would prefer .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert"...
How do you make an element “flash” in jQuery
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i use a delay before the fadeIn, fadeOut sequence, something like $('..').delay(100).fadeOut().fadeIn('slow')
– alexandru.topliceanu
Aug 30 '12 at 14:34
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How to check if current thread is not main thread
...ad().equals( Looper.getMainLooper().getThread() )
Or, if the runtime platform is API level 23 (Marshmallow 6.0) or higher:
Looper.getMainLooper().isCurrentThread()
See the Looper API. Note that calling Looper.getMainLooper() involves synchronization (see the source). You might want to avoid t...