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How should I have explained the difference between an Interface and an Abstract class?
...h methods
}
But what if encryptPassword() is not database dependent, and it's the same for each class? Then the above would not be a good approach.
Instead, consider this approach:
public abstract class LoginAuth{
public String encryptPassword(String pass){
// Implement the same d...
Tools to search for strings inside files without indexing [closed]
...ings in an incredibly old legacy application, and the programmers who made it thought it would be a great idea to plaster the entire app with connection strings all over the place.
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Testing modules in rspec
...d in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up?
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The definitive guide to form-based website authentication [closed]
...to solve variations on common problems. "Form based authentication for websites" should be a fine topic for such an experiment.
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What regular expression will match valid international phone numbers?
...eed to determine whether a phone number is valid before attempting to dial it. The phone call can go anywhere in the world.
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When should you branch?
When working with a SCM system, when should you branch?
12 Answers
12
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Best way to include CSS? Why use @import?
... speed standpoint, @import from a CSS file should almost never be used, as it can prevent stylesheets from being downloaded concurrently. For instance, if stylesheet A contains the text:
@import url("stylesheetB.css");
then the download of the second stylesheet may not start until the first style...
Is there a cross-browser onload event when clicking the back button?
...t fire when the page loads as a result of a back button operation — it only fires when the page is first loaded.
15 A...
What is the difference between Factory and Strategy patterns?
... For example, you may have a factory that creates your business objects. It may use different strategies based on the persistence medium. If your data is stored locally in XML it would use one strategy. If the data were remote in a different database, it would use another.
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How does the compilation/linking process work?
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Preprocessing: the preprocessor takes a C++ source code file and deals with the #includes, #defines and other preprocessor directives. The output of this step is a "pure" C++ file without pre-processor directives.
Compilation: the compiler takes the pre-processor's output and produces an object f...