Delete styles from a div if other div styles are active

I'm looking for a help with a small things to do on my CMS website. I would like to know, if it's possible, how to to remove or hide styles from one div one a website while another div is active and only when this 2nd div is inside the first one. I'm

Win32 GUI and callback to C ++ function

So, basically I'm using a code like this one. It's a little simple window where you can only change text inside of an edit box and press a button that will make a callback to a function (DoSomethingCallback(text)). #include <windows.h> #define ID_ED

How does Destructor work?

I did practicals on Destructor but when compile this program I don't know why the output not come as I thought. #include <iostream> using namespace std; class aaa { private: static int x; int code; public: /*after constructor executes 3 times the va

Is Java - Set.contains () Failed on OpenJDK 6?

I've come across a really strange problem. I have written a simple Deck class which represents a standard 52 card deck of playing cards. The class has a method missingCards() which returns the set of all cards which have been drawn from the deck. If

Emacs tab between buffers

Is there a way to switch between buffers without having to go through the buffer-list, or writing the name of the buffer that I want to switch to? More specific I wonder if emacs can tab between buffers much like how it is working in notepad++Emacs 2

Single user database options

I'm going to be writing a Windows application using the .NET framework and C#. The application will need to store relational data which will be queried, joined and processed. Previously I've done this using SQL Server, but that is a total overkill fo

Rails 4 - Set the limit on the included model

I have Many-to-Many associations like this (it's been simplified for your convenience) class Product has_many :categorizations has_many :categories, through: :categorization end class Category has_many :categorizations has_many :products, through: :c

Combining htaccess redirection rules

I have 2 separate htaccess and i need to combine them into one but im not sure how to do it. These are my htaccess: 1. <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f Rewrite

Using selenium to start Firefox removes KeyError: 'sessionId'

When I'm using selenium to start firefox, it suffers such a problem. I just write a simple demo to test, by failed.Have you tried to update your Selenium version to version 3.3.0 ? I had the same problem as yours : changing the proxy settings as ment

Extract information from the XML tag - RUBY

I have an xml tag like this <cvParam cvRef="MS" accession="MS:1000511" name="ms level" value="1"/> How can i get the value of ms level (1)? Please, don't suggest nokogiri or rexml. I want to learn how I can pa

Media Source Extension on Firefox and IE

I'm creating a Audio Player with HTML5, using the MediaSource Object. My code is similar to MediaSource API Demo But when executing the line var ms = new MediaSource(); And exception is throwed on Firefox and Internet Explorer ReferenceError: MediaSo

arraylist edit to specific index

I have two ArrayLists. As below example shows. ArrayList<String> listVarName = new ArrayList<String>(); ArrayList<String> listVarValue = new ArrayList<String>(); listVarName.add("One"); listVarName.add("Two"); l

how to view a javascript onclick object from a .json

I'm just starting to use javascript and json. I need to read data (get Information function) from a json file when processing an event in a javascript function without using jquery or any other librery. I don't know if I am missing something in the c

LZW decompression algorithm

I'm writing a program for an assignment which has to implement LZW compression/decompression. I'm using the following algorithms for this: -compression w = NIL; while ( read a character k ) { if wk exists in the dictionary w = wk; else add wk to the

Invalid CSS field set border color

I have a fieldset that needs CSS styling. And I want the color to be this one: #0088FF. I do this: fieldset { border: 1px groove #0088FF !important; padding: 0 1.4em 1.4em 1.4em !important; margin: 0 0 1.5em 0 !important; } The color is incorrect, it

ModernUI ModernTab Link Click

I'm looking for a click event or something similar for use with the ModernUI WPF's ModernTab. I'm currently using ModernUI WPF ( and I'm trying to use a ModernTab control as a list of employees, which I'll then click and open

Understanding curry in Scala

I'm getting problems to understand the currying concept, or at least the SCALA currying notation. wikipedia says that currying is the technique of translating the evaluation of a function that takes multiple arguments into evaluating a sequence of fu

Flood fill for number recognition

I have a number plate which is a binary image. I performed dilation to the image to thicken the edges then "flood filling", lastly erosion for thinning: But i want my output to be like this: Can anyone help me, please? And show me how to get the

Search with words of a long character (MySQL)

I have a table Books in my MySQL database which has the columns Title (varchar(255)) and Edition (varchar(20)). Example values for these are "Introduction to Microeconomics" and "4". I want to let users search for Books based on Title