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Why do you need to create a cursor when querying a sqlite database?
... abstraction it seems to me. A db cursor is an abstraction, meant for data set traversal.
From Wikipedia article on subject:
In computer science and technology, a database cursor is a control
structure that enables traversal over the records in a database.
Cursors facilitate subsequent proc...
`levels
...ggests an assignment, but this is not what is going on. The code is simply setting up a sort of pipeline:
Start with dat$product
Convert it to a factor
Change the levels
Store that in res
Personally, I think that line of code is beautiful ;)
...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...tatic void AttachToOrGet<T>(this ObjectContext context, string entitySetName, ref T entity)
where T : IEntityWithKey
{
ObjectStateEntry entry;
// Track whether we need to perform an attach
bool attach = false;
if (
context.ObjectStateManager.TryGetObjectStateEntry
...
How to use enum values in f:selectItem(s)
...default (for example when you are editing a question then you have already set the status of the question to something)
– LuckyLuke
Nov 22 '11 at 17:18
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ReactJS: Modeling Bi-Directional Infinite Scrolling
... are loading they make everything "jump" down. The solution for this is to set the image dimensions in your img tag: <img src="..." width="100" height="58" />. This way the browser doesn't have to wait to download it before knowing what size it is going to be displayed. This requires some infr...
Selector on background color of TextView
... I can't make this work. I'm trying to apply it to a button and it does set the background to the default color of the selector, but it doesn't change to the shape defined in state_pressed. What could I be missing? I might open a new question, just in case you could point me in the right directio...
Why should I use tags vs. release/beta branches for versioning?
...a new branch called 1.1.0 and not have to cloud my mind with a whole new set of git commands?
6 Answers
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API Keys vs HTTP Authentication vs OAuth in a RESTful API
... used in delegation uses cases.
In order to get access to a resource or a set of resources exposed by REST endpoints, it is needed to check the requestor privileges according to its identity. First step of the workflow is then verifying the identity by authenticating the request; successive step is...
How to prevent moment.js from loading locales with webpack?
...
When you set resolve aliases, they apply to any usage of import or require in your system (including libraries you depend on). So if a module you depend on required moment, you would be changing the result for that module as well. Thi...
How can I style an Android Switch?
... default version:
To have a styled switch just create this two selectors, set them to your Switch View and then change the seven images to your desired style.
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