How to extract img src, title and alt from html using php?

How to extract img src, title and alt from html using php?

I would like to create a page where all images which reside on my website are listed with title and alternative representation.I already wrote me a little program to find and load all HTML files, but now I am stuck at how to extract src, ti

Does introducing foreign keys to MySQL reduce performance

Does introducing foreign keys to MySQL reduce performance

I'm building Ruby on Rails 2.3.5 app. By default, Ruby on Rails doesn't provide foreign key contraints so I have to do it manually. I was wondering if introducing foreign keys reduces query performance on the database side enough to make it

Bluetooth Low Energy API for Windows 7.0

Bluetooth Low Energy API for Windows 7.0

Windows 8 exposes an API to communicate to Bluetooth Low Energy (Smart) devices, but this API is not available in previous versions of Windows, so how can I communicate with a BLE dongle on Windows 7?The BLE dongle I'm currently using (BLED

What's the C# equivalent to the With statement in VB? [duplicate]

What's the C# equivalent to the With statement in VB? [duplicate]

Possible Duplicate: Equivalence of “With…End With” in c#? There was one feature of VB that I really like...the With statement. Does C# have any equivalent to it? I know you can use using to not have to type a namespace,

Warning: Each child in an array or iterator should have a unique “key” prop. Check the render method

Warning: Each child in an array or iterator should have a unique “key” prop. Check the render method

I built an app with ReactNative both for iOS and android with a ListView. When populating the listview with a valid datasource, the following warning is printed at the bottom of the screen: Warning: Each child in an array or iterator shoul

Git (SSH) in Visual Studio 2015

Git (SSH) in Visual Studio 2015

So with Visual Studio 2015 just being released there is a much more integrated tie-in with git. However the feature that seems to be lacking is git over SSH. There are various plugins for 2013 that allow this functionality (i.e GitExtension

Multiple gesture responders at the same time

Multiple gesture responders at the same time

I need some buttons that can be pressed at the same time, but currently if you press one, it 'claims' responsiveness and the others can't be pressed anymore. How do I do this? 1:Got it. You have to use ReactNativeEventEmitter to directly

JQuery UI Autocomplete with Zend Framework

JQuery UI Autocomplete with Zend Framework

I was wondering about how to add the autocomplete JQuery UI widget to a form I'm developing in the Zend Framework without using ZendX. The folders for the website are set up per the framework, but I'm not using Zend_Form.So I stripped every

What is the best way to structure an HTML document for SEO and accessibility?

What is the best way to structure an HTML document for SEO and accessibility?

What's the recommended way to structure html that includes navigation so it's still SEO'able and accessible.For example, should the structure be more like that of a document:Skip to content (link, hidden by CSS)NavigationContentOther conten

iOS 6 - Distinguishing between iPhone 5 and other devices?

iOS 6 - Distinguishing between iPhone 5 and other devices?

With the announcement of the iPhone 5 and new iPods today, I'm starting work on optimizing my app to take advantage of the new, extra screen space. I've already got to the point where my app isn't "letterboxed" anymore. I know it's early, b

Speed of [].forEach.call(…?

Speed of [].forEach.call(…?

I'm a big fan of using the forEach method on nodeLists like this:var nodes = document.querySelectorAll(".foo");[].forEach.call(nodes, function (item) { //do stuff with item});I was wondering though, does doing it that way take longer tha

D3.js linear regression

D3.js linear regression

I searched for some help on building linear regression and found some examples here: nonlinear regression functionand also some js libraries that should cover this, but unfortunately I wasn't able to make them work properly:simple-statistic

C fgets versus fgetc for reading line

C fgets versus fgetc for reading line

I need to read a line of text (terminated by a newline) without making assumptions about the length. So I now face to possibilities:Use fgets and check each time if the last character is a newline and continuously append to a bufferRead eac

DistributionNotFound error after upgrading pip

DistributionNotFound error after upgrading pip

In reading about virtualenv here I realized I didn't have pip 1.3+, so I ran pip install --upgrade pip and now when I run pip --version i get the following:Traceback (most recent call last): File "/usr/local/bin/pip", line 5, in from p

angular-cli “ng build” doesn't produce a working project?

angular-cli “ng build” doesn't produce a working project?

(I'm new on planet Angular2 (emigrated from dying planet Flex/Actionscript, so please forgive this naive question)Have I made a fatal error in thinking that after running the "ng build" command on my project from Angular CLi, I would end up

Exclude fields in Django admin for users other than superuser

Exclude fields in Django admin for users other than superuser

I have a simple MyUser class with PermissionsMixin. user.is_superuser equals True only for superusers. I'd like to be able to do something similar to this in my admin.py: if request.user.is_superuser: fieldsets = ( (Non

Android Store a Parcelable Object in SQLite

Android Store a Parcelable Object in SQLite

I need to store an object content in Sqlite.I was wondering which was the best way to do it with a serialization of the object or with Parcelable.Is it possible to store it as Parcelable? How can I do it? 1:You are welcome to convert you

What is the equivalent of 'fread' from Matlab in Python?

What is the equivalent of 'fread' from Matlab in Python?

I have practically no knowledge of Matlab, and need to translate some parsing routines into Python. They are for large files, that are themselves divided into 'blocks', and I'm having difficulty right from the off with the checksum at the t

Duplicate symbol: Include static lib A in static lib B, also include lib A and B in XCode Project

Duplicate symbol: Include static lib A in static lib B, also include lib A and B in XCode Project

I've been trying to build up a set of reusable libraries for app development, but I'm starting to run into a problem.One of my static libs is a set of general use methods (categories on Objective-C Foundation classes to improve their usabil

Difference between `import from` and `import require` in TypeScript

Difference between `import from` and `import require` in TypeScript

I use node.js and I recently decided to give TypeScript a shot, But I'm kinda confused on how modules get imported. I see two different syntax that I couldn't find out what's their difference exactly:import * as a from 'a'; // ES6 standard

Tool to see CSS specificity

Tool to see CSS specificity

Does anyone know if there is some kind of tool to see/pick the best CSS selector based on CSS specificity to target a particular div?I know what has higher specificity, but sometimes when working on other people projects where they have dee

Assembly memory allocation

Assembly memory allocation

I am trying to learn assembly language and I need clarification on something. Please correct me if I am wrong on any of this since I don't know much about assembly.All the tutorials I watch have the variables of assembly programs assigned

What gui toolkit should I use with Pygame? [closed]

What gui toolkit should I use with Pygame? [closed]

I'm making a game that needs to be able to pop up gui elements within a pygame surface. This question isn't what I want because wxPython goes around the SDL surface, not inside it. So far I've only seen ocemp, pgu, and GooeyPy in this probl

How to Line Break or new line in XAML

How to Line Break or new line in XAML

I am having hard time to match Special characters set in XAML. I only on the following:To represent a LineBreak in XAML hyperlink button:use : > lineBreak or Hope this helps.Addendum: You can do this stuff in basically anyt

Do I need Flex Builder?

Do I need Flex Builder?

I am completely new to Flex.Can I realistically develop, say, a medium complex application with the Flex SDK alone, or do I need Flex Builder?Also, apart from the SDK, what will I need to get started?Thanks for any help. 1:I was there a