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Relational table naming convention [closed]
...of the two parent table names.
Note that is such cases the Verb Phrase applies to, and is read as, from parent to parent, ignoring the child table, because its only purpose in life is to relate the two parents.
Diagram_C
If it is not an Associative Table (ie. in addition to the two PKs, it con...
Does every web request send the browser cookies?
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Yes, you could orgnize your site/app structure such that all URLs requiring cookies are wthin /app/ or suchlike - it would retain portability without needing separate subdomains to eliminate redundant overhead. Or you could ditch the now useless Google Anal...
What to use now Google News API is deprecated? [closed]
...'m working on I've been instructed to implement Google News API into a Web Application.
3 Answers
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Gem::LoadError for mysql2 gem, but it's already in Gemfile
...s 4.1.5) try using this version of mysql2:
gem 'mysql2', '~> 0.3.18'
Apparently mysql2 isn't still compatible with newer version of rails because rails 4.2.4 is pretty new as the time of answering this question by me 8 September 2015 so use the above line in your Gem file and run:
bundle ins...
Entity Framework: There is already an open DataReader associated with this Command
...ers = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loading for loaded entity inside the iteration.
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How slow are .NET exceptions?
...ceptions where they're not logical. For instance, int.TryParse is entirely appropriate for converting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't kno...
How can I convert my Java program to an .exe file? [closed]
...r
The Java Packager tool compiles, packages, and prepares Java and JavaFX applications for distribution. The javapackager command is the command-line version.
– Oracle's documentation
The javapackager utility ships with the JDK. It can generate .exe files with the -native exe flag, among many ot...
Iterating over Java collections in Scala
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There is a wrapper class (scala.collection.jcl.MutableIterator.Wrapper). So if you define
implicit def javaIteratorToScalaIterator[A](it : java.util.Iterator[A]) = new Wrapper(it)
then it will act as a sub class of the Scala iterator ...
How to make a transparent UIWebView
I have an app with a UITableView and a corresponding detail view for each row. In the detail view I have to display some text and a background image (text is different for each row, but the image remains the same). The easiest way, in my opinion, is to put the text in an .rtf file and display it i...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...is needed for the system you have described.
In an ideal MVVM world, your application is comprised of your ViewModels, and your Models are the just the blocks used to build your application. They typically only contain data, so would not have methods such as DrawCard() (that would be in a ViewModel...