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There are a number of issues with Oracle. Here's how to resolve them. Assuming your procedure output parameter is ref cursor, you will get this exception. java.sql.SQLException: Invalid column type: 2012 So change Types.REF_CURSOR to OracleTypes.CURSOR in simpleJdbcCall.declareParameters() ...

In latex we can use built-in commands to execute code whether the conditions are true or not. Comparing two integers: \ifnum\value{num}>n {A} \else {B}\fi This code executes A if num>n else B. We can substitute > with < and =. If a number is odd: \ifodd\value{num} {A}\else {B}\fi If ...

We can create loops in latex. They are similar but not as customizable as loops in other programming languages. One alternative to use loops are @loops. If we use a command which includes "@" in its name, we must be put it between \makeatletter and \makeatother. It is not allowed to use th...

You can create custom dialogs which contains many component and perform many functionality on it. It behaves like second stage on owner stage. In the following example an application that shows person in the main stage tableview and creates a person in a dialog (AddingPersonDialog) prepared. GUIs c...

With a simple for loop, all zip archives in a directory can be extracted. for (i in dir(pattern=".zip$")) unzip(i) The dir function produces a character vector of the names of the files in a directory matching the regex pattern specified by pattern. This vector is looped through w...

The following regex includes 50 states and also Commonwealth/Territory (see www.50states.com): regex <- "(A[LKSZR])|(C[AOT])|(D[EC])|(F[ML])|(G[AU])|(HI)|(I[DLNA])|(K[SY])|(LA)|(M[EHDAINSOT])|(N[EVHJMYCD])|(MP)|(O[HKR])|(P[WAR])|(RI)|(S[CD])|(T[NX])|(UT)|(V[TIA])|(W[AVIY])" For exampl...

The following regular expression: us.phones.regex <- "^\\s*(\\+\\s*1(-?|\\s+))*[0-9]{3}\\s*-?\\s*[0-9]{3}\\s*-?\\s*[0-9]{4}$" Validates a phone number in the form of: +1-xxx-xxx-xxxx, including optional leading/trailing blanks at the beginning/end of each group of numbers, but not ...

In a terminal run sudo apt-get install maven Once the install is over check that it works correctly with mvn -v the output should look like: Apache Maven 3.3.9 Maven home: /usr/share/maven Java version: 1.8.0_121, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-8-openjdk-amd64/j...

General Properties: An Azimuthal Equidistant projection is best recognized when used in polar areas. It is used in the UN's emblem. From the center point, angle and distance are preserved. But the projection will distort shape and area to achieve this, especially as one moves further from the cente...

When a navigation property exist on a model, Entity Framework will automatically create a Foreign Key column. If a specific Foreign Key name is desired but is not contained as a property in the model, it can be set explicitly using the Fluent API. By utilizing the Map method while establishing the F...

Goto accepts the use of variable value to act as the label to goto. Example: @echo off echo a = 1 echo b = 2 set /p "foo=Enter option:" goto %foo% However, you should check the input so it will not go to somewhere that does not exist. Going to an undefined label will terminate...

Note in this example we will use PostgreSQL DBMS, but you can use any DBMS We will use a database bd_test witch contain a Schema: sch_test and two tables users and test : CREATE TABLE sch_test.users ( id serial NOT NULL, username character varying, password character varying, CONSTRAI...

BFS can be used to find the connected components of an undirected graph. We can also find if the given graph is connected or not. Our subsequent discussion assumes we are dealing with undirected graphs.The definition of a connected graph is: A graph is connected if there is a path between every p...

The new Bootstrap 4 Navbar Component is improved over it’s Bootstrap 3.x predecessor. In Bootstrap 4, the Navbar is responsive by default and utilizes flexbox to make alignment of Navbar content much easier. It’s also a simple matter of using the new navbar-toggleable-* classes to change the Navbar ...

var EmberApp = require('ember-cli/lib/broccoli/ember-app'); module.exports = function(defaults) { var app = new EmberApp(defaults, { // Add options here datatables: { core: true, style: 'bs', extensions: [ { name: 'buttons', extensions: ['colVi...

Suppose we'd like to invoke the JavaScript function JSON.stringify which receives an object, encodes it into a JSON string and returns it. All we'd have to do is write the function signature, mark it as external and annotate it with the @JS annotation: @JS("JSON.stringify") external St...

Suppose we'd like to wrap the Google Maps JavaScript API google.maps: @JS('google.maps') library maps; import "package:js/js.dart"; @JS() class Map { external Map(Location location); external Location getLocation(); } We now have the Map Dart class which corresponds to t...

It's common practice in JavaScript to pass object literals to functions: // JavaScript printOptions({responsive: true}); Unfortunately we cannot pass Dart Map objects to JavaScript in these cases. What we have to do is create a Dart object that represents the object literal and contains all of...

Install pip : $ pip install django-cassandra-engine Add Getting Started to INSTALLED_APPS in your settings.py file: INSTALLED_APPS = ['django_cassandra_engine'] Cange DATABASES setting Standart: Standart DATABASES = { 'default': { 'ENGINE': 'django_cassandra_engine', ...

Go to https://www.blender.org/download/ Choose your operating system Click the proper mirror next to the version of blender for your operating system. You can usually just click the mirror closest to your current location. (more info) Also, at the bottom of the page are also...