I’m trying to make a login with PHP and MySQLi for Android. What I don’t understand is how to keep the user logged in? I saw a simple tutorial where someone used SQLite to safe information but I’m not aware if that is really secure way. How should I save the user information to keep the user…
Tag: java
Using Streams with primitives data types and corresponding wrappers
While playing around with Java8’s Streams-API, I stumbled over the following: To convert an array of primitive wrapper classe objects into a Stream I just have to call Stream.of(array). But to convert an array of primitive data types, I have to call .of(array) from the corresponding wrapper (class) stre…
Runtime.getRuntime().exec could not execute/show Tabtip.exe
I’ve set this OnClick method in JavaFX SceneBuilder on a text field that will pop up the Windows 8 touch keyboard if the user select the textfield. However it seems to be nothing happen when I click on the textfield but when I try to check Tabtip.exe in the task manager, it did shown up there. The codes…
Not able to get difference between two datetime?
Please check the below code. I am trying to get the difference but every time getting 0. Can anybody please point me what is the problem with below code? Answer your formatter does not fit the date format used. Try:
Maven ignores local repository
I’m trying to use jackson at a json project. And Maven is ignoring my local repository (where I have the library already set, from a previous project) and downloading from codehaus repo. The catch is that my workplace has blocked access to external repos, so I must use local repository for this. How do …
Write HashMap to JSON in Java
I’m new to Java. I’ve been working on a project that uses Maven and Java 1.7. In my project I have a HashMap. I want to output this HashMap to JSON. What is the recommended approach at this time? When I do a Google search, I get a lot of options (ie Jackson). However, I’m not sure what I sho…
Scanning multiple lines using single scanner object
I a newbie to java so please don’t rate down if this sounds absolute dumb to you ok how do I enter this using a single scanner object 5 hello how do you do welcome to my world 6 7 for those of you who suggest check it out, it does not work!!! thanks Answer Sample execution:
Nested choice clause in MessageFormat?
I’m trying to do a simple logic with java.text.MessageFormat: MessageFormat cf = new MessageFormat( “{0,choice, 1
Memory map for Neo4j embedded
When using Neo4j in the embedded mode (Java API), one can manually set memory map settings using the following API calls (or similar): My question is: Is the mapped memory allocated out of Java heap/extended memory or from the rest of the memory available. I know that for Neo4j server the latter is correct as…
Convert from LinkedHashMap to Json String
I’m Workin with Mongo using Jongo, when I do a query I receive a LinkedHashMap as result. the problem is that if the json is {“user”:”something”} content will be {user=something}, it is not a json is only toString method from HashMap. How I can get the original JSON? I don’…