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How to escape special characters in building a JSON string?
...ncoding library to use. If you simply use language or library functions to convert things to and from JSON, you'll never even need to know JSON's escaping rules. This is what the misguided question asker here ought to have done.
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How can I make a multipart/form-data POST request using Java?
... org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import or...
Reverse Range in Swift
...in Objective-C) that migrated to Swift C-style for loops and now had to be converted because C-style for loops are going away. This was simply terrifying, because these loops represented the core of my app's logic, and rewriting everything risked breakage. Thus I wanted a notation that would make th...
Explain the encapsulated anonymous function syntax
...to observe, because most ways of attempting to get the returned value will convert the function declaration to a function expression. However, eval shows it:
var r = eval("function f(){}");
console.log(r); // undefined
Calling an empty completion record makes no sense. That's why functi...
How do I get java logging output to appear on a single line?
...ormat from a system property, so adding something like this to the JVM command line will cause it to print on one line:
-Djava.util.logging.SimpleFormatter.format='%1$tY-%1$tm-%1$td %1$tH:%1$tM:%1$tS %4$s %2$s %5$s%6$s%n'
Alternatively, you can also add this to your logger.properties:
java.util....
How do I select an element in jQuery by using a variable for the ID?
...tion when a String is required (passing "#" + 5 would fix this as it would convert the 5 to a "5" first)
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Using Rails serialize to save hash to database
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add_column :users, :multi_wrong, :text
end
Then Rails will properly convert it into YAML for you (and perform proper serialization). Strings fields are limited in size and will only hold especially-small values.
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How is a non-breaking space represented in a JavaScript string?
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That entity is converted to the char it represents when the browser renders the page. JS (jQuery) reads the rendered page, thus it will not encounter such a text sequence. The only way it could encounter such a thing is if you're double enc...
Current time in microseconds in java
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This Answer is now outdated. The OpenJDK and Oracle implementations of Java 9 come with a new implementation of Clock that provides for capturing the current moment with a resolution finer than milliseconds. On a MacBook Pro Retina I am getting the current time in m...
Is it possible to make an ASP.NET MVC route based on a subdomain?
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You can do it by creating a new route and adding it to the routes collection in RegisterRoutes in your global.asax. Below is a very simple example of a custom Route:
public class ExampleRoute : RouteBase
{
public override RouteData GetRouteData(HttpContext...