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Undo scaffolding in Rails
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@femi The table was made with rake. The best way to remove it is running rake db:rollback before rails destroy scaffold or if it is not the last one you did rake db:migrate:down VERSION=20080906120000 you can find the number before its name in db/migrate
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What is DOCTYPE?
... spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page.
Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser has ever used DTDs for any...
SET versus SELECT when assigning variables?
...and very important because why would you want to assign some trivial "last item in result" to the @employeeId. With select you will never get any error and you will spend minutes, hours debugging.
Perhaps, you are looking for a single Id and SET will force you to fix your query. Thus you may do som...
Add one row to pandas DataFrame
...need to create an empty DataFrame then add rows, one by one .
What is the best way to do this ?
27 Answers
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How do I select an element with its name attribute in jQuery? [duplicate]
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This is the best answer in the world. This site is stupid for not letting me award it with a bounty :(
– Benjamin Gruenbaum
Mar 1 '16 at 13:17
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What is the purpose of Android's tag in XML layouts?
...d init(Context context) {
View.inflate(context, R.layout.wallpaper_item, this);
imageLoader = AppController.getInstance().getImageLoader();
imagePlaceHolder = (ImageView) findViewById(R.id.imgLoader2);
thumbnail = (NetworkImageView) findViewById(R.id.thumbnail2);
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Java: Why is the Date constructor deprecated, and what do I use instead?
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This should be best answer. Thanks.
– jordaniac89
May 28 '15 at 2:02
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How to design RESTful search/filtering? [closed]
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The best way to implement a RESTful search is to consider the search itself to be a resource. Then you can use the POST verb because you are creating a search. You do not have to literally create something in a database in orde...
What's the difference between git reset --mixed, --soft, and --hard?
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best answer because the answer uses technical terms to provide a complete answer that is also the most concise
– Trevor Boyd Smith
Jul 9 '18 at 14:52
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Why are preprocessor macros evil and what are the alternatives?
...ew C++ 11 there is a real alternative after so many years ?
Yes, for the items in the list above (magic numbers should be defined with const/constexpr and expressions should be defined with [normal/inline/template/inline template] functions.
Here are some of the problems introduced by defining ma...