Tutorial by Examples: f

If class A is in relationship with class B and class B has property with the same name and type as the primary key of A, then EF automatically assumes that property is foreign key. public class Department { public int DepartmentId { set; get; } public string Name { set; get; } publi...

Add the following code in you main program. var cpuprofile = flag.String("cpuprofile", "", "write cpu profile `file`") var memprofile = flag.String("memprofile", "", "write memory profile to `file`") func main() { flag.Parse() ...

var memprofile = flag.String("memprofile", "", "write memory profile to `file`") func main() { flag.Parse() if *memprofile != "" { f, err := os.Create(*memprofile) if err != nil { log.Fatal("could not create mem...

// Sets the CPU profiling rate to hz samples per second // If hz <= 0, SetCPUProfileRate turns off profiling runtime.SetCPUProfileRate(hz) // Controls the fraction of goroutine blocking events that are reported in the blocking profile // Rate = 1 includes every blocking event in the profil...

As an example you want to disable pagination in your default index action and get all results in index. How can you do that? It's simple. You should override the index action in your controller like this: public function actions() { $actions = parent::actions(); unset($actions['index'])...

Create training instances from .arff file private static Instances getDataFromFile(String path) throws Exception{ DataSource source = new DataSource(path); Instances data = source.getDataSet(); if (data.classIndex() == -1){ data.setClassIndex(data.numAttributes()...

Build the APK First of all we need to build the APK. ionic build --release android Generate private Key Then we will create a keystore to sign the APK. keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000 Change my-release-key with ...

As stated previously, there is no searching capability built in to the Records Browser. Once you've navigated to the appropriate Record Type, if you don't already know a particular field's Internal ID, the easiest way to find it is to use your browser's Find function (usually CTRL+F) to locate the f...

The Required column of the schema indicates whether this field is required to save the record. If this column says true, then you will need to provide a value for this field when saving any record of this type.

The nlapiSubmitField column is a critical piece to understand. This column indicates whether the field is available for inline editing. If nlapiSubmitField is true, then the field can be edited inline. This greatly impacts how this field is handled when trying to use the nlapiSubmitField or record.s...

To jump to a specific line with colon number. To jump to the first line of a file use :1 To jump to line 23 :23

ColumnColumn AExample formulaExample formulaRow 12Row 23Row 35=A1+A2=Sum(A1,A2)

One way to avoid deep nesting (as recommended above) is to generate the collection actions scoped under the parent, so as to get a sense of the hierarchy, but to not nest the member actions. In other words, to only build routes with the minimal amount of information to uniquely identify the resource...

Save data to and from file import pickle def save(filename,object): file=open(filename,'wb') pickle.dump(object,file) file.close() def load(filename): file=open(filename,'rb') object=pickle.load(file) file.close() return object >>>list_object=[1,...

Unity is an xUnit-style test framework for unit testing C. It is written completely in C and is portable, quick, simple, expressive and extensible. It is designed to especially be also useful for unit testing for embedded systems. A simple test case that checks the return value of a function, might...

Example Controller action use Symfony\Component\HttpFoundation\Request; public function exampleAction(Request $request) { /* * First you need object ready for validation. * You can create new object or load it from database. * You need to add some constraints for this obj...

Installing Gulp and His Tasks $ npm install gulp --save-dev $ npm install gulp-sass --save-dev $ npm install gulp-uglify --save-dev $ npm install gulp-imagemin --save-dev Determining Folder Structure In this structure, we will use the app folder for development purposes, while the dist folde...

A function is a unit of code that represents a sequence of statements. Functions can accept arguments or values and return a single value (or not). To use a function, a function call is used on argument values and the use of the function call itself is replaced with its return value. Every functio...

#ifndef MYCOMPAREFILEDIALOG_H #define MYCOMPAREFILEDIALOG_H #include <QtWidgets/QDialog> class MyCompareFileDialog : public QDialog { Q_OBJECT public: MyCompareFileDialog(QWidget *parent = 0); ~MyCompareFileDialog(); }; #endif // MYCOMPAREFILEDIALOG_H

#include "MyCompareFileDialog.h" #include <QLabel> MyCompareFileDialog::MyCompareFileDialog(QWidget *parent) : QDialog(parent) { setWindowTitle("Compare Files"); setWindowFlags(Qt::Dialog); setWindowModality(Qt::WindowModal); resize(300, 100); ...