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Jessica Gleichner

Questions by Jessica Gleichner

MongoDB find and insert in a tree of subdocument (mongoose)?

Creating TREE of categories and subcategories Hello guys Am creating a tree of categories for my application. There ...

Can three dimensional data be represented in csv (or tsv)??

I have a task at hand in which I need to represent graphically on canvas with help of the d3.js library some salary ...

Remove numbers from alphanumeric characters?

I have a list of alphanumeric characters that looks like: x <-c('ACO2', 'BCKDHB456', 'CD444') I would like t...

pictorial chart in r?

I am trying to develop pictorial charts. Is it possible to develop such charts in R ? myd <- data.frame (categ...

Choosing between Scons and Waf in Large Projects?

We are thinking about converting a really large project from using GNU Make to some more modern build tool. My curre...

What does ellipsize mean in android??

I've added an EditText to my layout, and added a hint, and made it centered horizontally. When running the applicat...

What does the N mean??

I have seen many SP like: SET @SQLString = N'SELECT @max_titleOUT = max(JobTitle) FROM AdventureW...

The database cannot be opened because it is version 782. This server supports version 706 and earlier. A downgrade path is not supported?

I have created a sample database using SQL Server 2014 Express and added it to my Windows Form solution. When double...

Extract data from MongoDB with Sqoop to write on HDFS??

I am concerning about extracting data from MongoDB where my application transact most of the data from MongoDB. I ...

Using Service as singleton in Android?

Is it a bad practice to create a Service that works as a singleton? I mean a Service that is never stopped and that ...

What is the IntelliJ shortcut key to create a javadoc comment??

In Eclipse, I can press Alt+Shift+J and get a javadoc comment automatically generated with fields, returns, or whate...

Getting value from JQUERY datepicker?

If I want to display the JQUERY UI datepicker inline by attaching it to a DIV like $("div#someID").datepicker() - ho...

explicit casting from super class to subclass?

public class Animal { public void eat() {} } public class Dog extends Animal { public void eat() {} pu...

How to use KeyListener with JFrame??

So, I was trying to make a rectangle move with a KeyEvent (KeyListener) and whenever I try to hit the key, the recta...

How to search for a particular message in JMS queue?

I am sending some messages to a JMS queue. What are the possible ways to search for a particular message in a queue ...