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Convenient C++ struct initialisation
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+1: it does not really ensure correct initialization (from the compiler POV) but sure helps the reader... although the comments ought to be kept in sync.
– Matthieu M.
May 31 '11 at 6:42
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Using CSS :before and :after pseudo-elements with inline CSS?
...ties that are inherited by default will be inherited by :before and :after from the generating element, whereas pseudo-class styles just don't apply at all. In your case, for example, if you place text-align: justify in an inline style attribute for a td element, it will be inherited by td:after. Th...
Code for a simple JavaScript countdown timer?
I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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Android - How To Override the “Back” button so it doesn't Finish() my Activity?
... This solution won't bring the activity back when you re-launch the app from the home screen (if there is another activity on the task stack).
– IgorGanapolsky
Aug 24 '17 at 17:09
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If my interface must return Task what is the best way to have a no-operation implementation?
...e code below, due to the interface, the class LazyBar must return a task from its method (and for argument's sake can't be changed). If LazyBar s implementation is unusual in that it happens to run quickly and synchronously - what is the best way to return a No-Operation task from the method?
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How to save an image to localStorage and display it on the next page?
...when the page loads, I use these next three lines to get the Base64 string from localStorage, and apply it to the image with the blank src I created:
var dataImage = localStorage.getItem('imgData');
bannerImg = document.getElementById('tableBanner');
bannerImg.src = "data:image/png;base64," + dataI...
The name 'ConfigurationManager' does not exist in the current context
I am trying to access connectionStrings from the config file. The code is ASP.NET + C#. I have added System.Configuration to reference and also mentioned with using. But still it wouldn't accept the assembly.
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Running Windows batch file commands asynchronously
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it prevents the command from being echoed to the console. In batch scripts, sometimes you'll see echo off at the beginning which, when you execute the script, will prevent all the commands from being echoed to the console. The @ is similar but just ...
Android Crop Center of Bitmap
...ail(bitmap, dimension, dimension, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
From: ThumbnailUtils Documentation
public static Bitmap extractThumbnail (Bitmap source, int width, int
height)
Added in API level 8 Creates a centered bitmap of the desired size.
Parameters source original bi...
Foreign key constraints: When to use ON UPDATE and ON DELETE
...We'll take an example, a company table with a user table containing people from theses company
CREATE TABLE COMPANY (
company_id INT NOT NULL,
company_name VARCHAR(50),
PRIMARY KEY (company_id)
) ENGINE=INNODB;
CREATE TABLE USER (
user_id INT,
user_name VARCHAR(50),
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