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Dedrick Zemlak

Questions by Dedrick Zemlak

Floating Column(Max/Min) Graph in ROR?

I need to create a graph as shown in the image below. I have the values for the upper limit, lower limit and the ave...

UIToolbar offset - black strip appearing?

So here's my Swift code (AppDelegate.swift): var window: UIWindow? var rootViewController :UIViewController? func ...

Mosaic plot and text values?

I created structable from Titanic dataset and used mosaic function for it. Everything worked great, hovewer I also w...

Infinity in Fortran?

What is the safest way to set a variable to +Infinity in Fortran? At the moment I am using: program test ...

Why does my Perl CGI complain about “Premature end of script headers”??

I'm sure someone could answer this very quickly, but I'm just new to perl... I'm trying to modify demarc (a simple ...

sqlplus: error while loading shared libraries: libsqlplus.so: cannot open shared object file: No such file or directory?

Please suggest a solution for solving this issue?? While giving the command: sqlplus /nolog the error that occurr...

Sql search in multiple tables?

I have a database with multiple tables i.e table1, table2, table3 with same fields. Somehow I can't merge these tabl...

js decoding morse code?

For this project, I am trying to decode a given Morse code string. Encoded characters are separated by a single spac...

Difference between Prim's and Dijkstra's algorithms??

What is the exact difference between Dijkstra's and Prim's algorithms? I know Prim's will give a MST but the tree g...

Postgres ERROR: could not open file for reading: Permission denied?

Computer: Mac OS X, version 10.8 Database: Postgres Trying to import csv file into postgres. pg> copy items_ord...

char[ ] array appending in java?

I have a character array, which is declared as char[ ] array = new char[20]; Regarding this, I have the following qu...

Graphic not appearing in R: null device??

I'm trying to produce a graphic using rworldmap, using my data frame dagg. ETA: data. Here's what I have so far. l...

How to reload tableview using view controller (swift)?

i'm quite new to this. I've spent some hours to go through the various questions on this topic but couldn't find an ...

Java adding ImageIcon to JLabel?

I am trying to make a very basic game with Java and I am having trouble displaying an image on a JFrame. It has work...

local variables referenced from a lambda expression must be final or effectively final?

I have a JavaFX 8 program (for JavaFXPorts cross platfrom) pretty much framed to do what I want but came up one ste...