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When do you use map vs flatMap in RxJava?
...em, just throw it with a Non checked exception : RX will call the onError handler for you.
Observable.from(jsonFile).map(new Func1<File, String>() {
@Override public String call(File file) {
try {
return new Gson().toJson(new FileReader(file), Object.class);
} ...
Why is textarea filled with mysterious white spaces?
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Look closely at your code. In it, there are already three line breaks, and a ton of white space before </textarea>. Remove those first so that there are no line breaks in between the tags any more. It might already do the trick.
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How do I store data in local storage using Angularjs?
...using a service to perform an action, namely
retrieve data from the server and then store the data on the server itself.
10...
How do you make a web application in Clojure? [closed]
...ecause I'm forced to live in a Java world, but because I like the language and I want to give it a try, what libraries and frameworks should I use?
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How to parameterize @Scheduled(fixedDelay) with Spring 3.0 expression language?
...> tag. If a controller have more than one method that needs fixed delay and initial delay then how will that be handled?
– Mohit Singh
Nov 9 '16 at 13:15
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submit a form in a new tab
...s everytime a website suggests them to use a new window (target="_blank"). And that's a good thing because pretty much nobody wants a website to open a new window and I don't think this default will ever change since pretty much every website uses _blank nowadays.
– ThiefMaster...
Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
... FYI this didn't work for me because I was getting my JSON from an API and I had the freaking URL wrong for an entire day. ><
– w00ngy
Oct 5 '18 at 13:14
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Physical vs. logical / soft delete of database record?
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Advantages are that you keep the history (good for auditing) and you don't have to worry about cascading a delete through various other tables in the database that reference the row you are deleting. Disadvantage is that you have to code any reporting/display methods to take the flag ...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
...ngs to whom (the user), we need to create a mapping between the connection and the user. This depends on how you identify a user in your application.
In SignalR 2.0, this is done by using the inbuilt IPrincipal.Identity.Name, which is the logged in user identifier as set during the ASP.NET authenti...
How to check if current thread is not main thread
...eturn null if the thread is not associated with a Looper. So both are safe and have the same result but the first one is a little bit slower while it searches inside a map to find out the looper and its associated thread and do some other stuff .
– Saeed Masoumi
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