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Set selected option of select box
...val("Gateway 2");
If this select box (or any other input object) is in a form and there is a reset button used in the form, when the reset button is clicked the set value will get cleared and not reset to the beginning value as you would expect.
This seems to work the best for me.
For Select box...
How to change the order of DataFrame columns?
... first line of code, and re-arrange as desired. The only other piece of information to know is that without a header, the default column names are integers, not strings.
– daniel brandstetter
Sep 9 '19 at 23:27
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How can I use a local image as the base image with a dockerfile?
... in my other Dockerfile, and this works just fine. (Apologies for the poor formatting)
– Pejvan
Apr 21 '15 at 12:16
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How to update SQLAlchemy row entry?
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They are not. The former sets the attribute to an SQL expression, the latter performs an in-place addition in Python and again introduces the race.
– Ilja Everilä
Sep 28 '18 at 4:28
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Iterate two Lists or Arrays with one ForEach statement in C#
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You can use Union or Concat, the former removes duplicates, the later doesn't
foreach (var item in List1.Union(List1))
{
//TODO: Real code goes here
}
foreach (var item in List1.Concat(List1))
{
//TODO: Real code goes here
}
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Render a variable as HTML in EJS
I am using the Forms library for Node.js ( Forms ), which will render a form for me on the backend as so:
3 Answers
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RESTful way to create multiple items in one request
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Interestingly, people recommend using the plural form (of the collection) in the URL when you want to create a single resource, like so: send a POST to /api/books to create a book. But then when you want to create 100 books (in a single request as json), which URL would you...
Reset local repository branch to be just like remote repository HEAD
...ch:
git reset --hard @{u}
The advantage of specifying @{u} or its verbose form @{upstream} is that the name of the remote repo and branch don't have to be explicitly specified. On Windows or with PowerShell, specify "@{u}" (with double quotes).
Next, as needed, remove untracked files, optionally al...
Multiple file upload in php
...) take a look at SWFUpload. It works differently from a normal file upload form and requires Flash to work, though. SWFUpload was obsoleted along with Flash. Check the other, newer answers for the now-correct approach.
share...
How does delete[] know it's an array?
... then why do we need the delete[] syntax at all? Why can't a single delete form be used to handle all deletes?
The answer to this goes back to C++'s roots as a C-compatible language (which it no longer really strives to be.) Stroustrup's philosophy was that the programmer should not have to pay for...