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Which characters make a URL invalid?
... "unwise" in the URI spec will throw a URISyntaxException in the Java java.net.URI constructor so a URL like http://api.google.com/q?exp=a|b is not allowed and must be encoded instead as http://api.google.com/q?exp=a%7Cb if using Java with a URI object instance.
...
Regular expression for floating point numbers
...e java.lang.Double.valueOf(String) method (start at http://hg.openjdk.java.net/jdk8/jdk8/jdk, click "browse", navigate down /src/share/classes/java/lang/ and find the Double class). The long regex that this class contains caters for various possibilities that the OP probably didn't have in mind, but...
Advantage of creating a generic repository vs. specific repository for each object?
We are developing an ASP.NET MVC application, and are now building the repository/service classes. I'm wondering if there are any major advantages to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods.
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JSON and XML comparison [closed]
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@EarthEngine Actually Json.Net (json.codeplex.com) does support object references: james.newtonking.com/projects/json/help/index.html?topic=html/….
– Dmitrii Lobanov
Nov 21 '12 at 10:35
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How to wait for all goroutines to finish without using time.Sleep?
...nc.WaitGroup. Quoting the linked example:
package main
import (
"net/http"
"sync"
)
func main() {
var wg sync.WaitGroup
var urls = []string{
"http://www.golang.org/",
"http://www.google.com/",
"http://www.somestupidna...
Arrays, heap and stack and value types
...tanding about reference and value types. This is something probably every .NET and Java developer struggled with.
An array is just a list of values. If it's an array of a reference type (say a string[]) then the array is a list of references to various string objects on the heap, as a reference is...
Assigning code to a variable
... be useful in your situation:
There are many delegates already defined by .NET libraries, with some like Action, which do not accept any parameter and does no return a value. It is defined as public delegate void Action();
You can always use it to your needs instead of the need of defining a new del...
How to structure a express.js application?
... @ErictheRed if you are familiar with the MVC Pattern (rails, Asp.Net mvc, etc) then I consider my Routes to be my controllers and everything kind of falls into place after that. Business logic goes in the models (although I am having difficulties with validation and mongoose). For helper...
How to cancel a Task in await?
...
Read up on Cancellation (which was introduced in .NET 4.0 and is largely unchanged since then) and the Task-Based Asynchronous Pattern, which provides guidelines on how to use CancellationToken with async methods.
To summarize, you pass a CancellationToken into each method ...
XmlSerializer: remove unnecessary xsi and xsd namespaces
...swer to Omitting all xsi and xsd namespaces when serializing an object in .NET, I have updated this post and repeated my answer here from the afore-mentioned link. The example used in this answer is the same example used for the other question. What follows is copied, verbatim.
After reading Micr...