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Do you use NULL or 0 (zero) for pointers in C++?
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Here's Stroustrup's take on this: C++ Style and Technique FAQ
In C++, the definition of NULL is 0, so there is only an aesthetic difference. I prefer to avoid macros, so I use 0. Another problem with NULL is that people sometimes mistakenly believe that it is differen...
Auto increment primary key in SQL Server Management Studio 2012
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Make sure that the Key column's datatype is int and then setting identity manually, as image shows
Or just run this code
-- ID is the name of the [to be] identity column
ALTER TABLE [yourTable] DROP COLUMN ID
ALTER TABLE [yourTable] ADD ID INT IDENTITY(1,1)
the co...
Left Align Cells in UICollectionView
...ct a new line by inspecting the Y position of the new element. Very simple and quick in performance.
Swift:
class LeftAlignedCollectionViewFlowLayout: UICollectionViewFlowLayout {
override func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
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How do I change Bootstrap 3 column order on mobile layout?
...a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this
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Re-raise exception with a different type and message, preserving existing information
I'm writing a module and want to have a unified exception hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly,...
Are “while(true)” loops so bad? [closed]
...ed to read: it's got an extra else block, the actOnInput is more indented, and if you're trying to work out what happens when testCondition returns true, you need to look carefully through the rest of the block to check that there isn't something after the else block which would occur whether runnin...
Disable Interpolation when Scaling a
...ords, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concerned with how the browser draws lines; I care about how the browser renders the canvas element itself when it is scaled up.
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How to request Google to re-crawl my website? [closed]
...title in Google's search results. How can I show it with the correct title and description?
5 Answers
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How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...lp. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook/Twitter APIs.
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How to add a button to a PreferenceScreen?
I'm quite new to Android Development and just came across Preferences.
I found PreferenceScreen and wanted to create a login functionality with it. The only problem I have is that I don't know how I could add a "Login" button to the PreferenceScreen .
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