Tutorial by Examples: ce

Usage To install a module (assuming cpanm is already installed): cpanm Data::Section cpanm ("cpanminus") strives to be less verbose than cpan but still captures all of the installation information in a log file in case it is needed. It also handles many "interactive questions&quo...

C++ #include "opencv2/objdetect/objdetect.hpp" #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" #include <iostream> #include <stdio.h> using namespace std; using namespace cv; // Function Headers void detectAndDisp...

local collections are not allowed in select statements. Hence the first step is to create a schema level collection. If the collection is not schema level and being used in SELECT statements then it would cause "PLS-00642: local collection types not allowed in SQL statements" CREATE OR R...

In bash, you have to quote arguments in order to preserve white space: # bash function print_first_argument { echo "$1" } argument="has white space" print_first_argument "$argument" In Zsh, you don't need the quotes, because of different evaluation orde...

If you want to add a UIImageView to the center of the screen with width and height of 100 pixel, you need to set center x constraint and center y constraint to the superview from the UIImageView and width, height constraint to the UIIMageView. Here is the code. There is way to do this in storyboard ...

A NullReferenceException is thrown when you try to access a non-static member (property, method, field or event) of a reference object but it is null. Car myFirstCar = new Car(); Car mySecondCar = null; Color myFirstColor = myFirstCar.Color; // No problem as myFirstCar exists / is not null Color...

PHPUnit provides the following functions to watch for thrown exceptions, which were released with 5.2.0: expectException($exception) expectExceptionMessage($message) expectExceptionCode($code) expectExceptionMessageRegExp($messageRegExp) These are used to watch for an exception to be thrown...

samtools idxstats thing.bam

<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <list> <value>classpath:ReleaseBundle.properties</value> </list> </bean>

try: metadata = metadata['properties'] except KeyError: pass

class CompileError(Exception): pass

A Cmd cannot be reused after calling its Run, Output or CombinedOutput methods Running a command twice will not work: cmd := exec.Command("xte", "key XF86AudioPlay") _ := cmd.Run() // Play audio key press // .. do something else err := cmd.Run() // Pause audio key press,...

TextBox txt = (TextBox)FindControl(yourtxt_Id);

import xlsxwriter # create a new file workbook = xlsxwriter.Workbook('your_file.xlsx') # add some new formats to be used by the workbook percent_format = workbook.add_format({'num_format': '0%'}) percent_with_decimal = workbook.add_format({'num_format': '0.0%'}) bold = workbook.add_forma...

Prerequisites Install pods in your project Install the GooglePlaces SDK Enable location services First we need to get the users location by getting their current longitude and latitude. Import GooglePlaces and GooglePlacePicker import GooglePlaces import GooglePlacePicker Add the...

By default, when data is imported to the PowerBI Desktop, each table or query stores data source details separately, even if they use the same data source. This makes it tedious, for example, to change the source database of an entire PowerBI report - which requires changing each query source param...

#include <omp.h> #include <unistd.h> #include <iostream> #include <list> static void processElement (unsigned n) { // Tell who am I. The #pragma omp critical ensures that // only one thread sends data to std::cout #pragma omp critical std::cout <...

To get a list of the processes running in the current terminal, you can use ps : $ sleep 1000 & $ ps -opid,comm PID COMMAND 1000 sh 1001 sleep 1002 ps To kill a running process, use kill with the process ID (PID) indicated by ps: $ kill 1001 $ ps -opid,comm PID COMMAND 1000 sh...

// Basic code for Express Instance var express = require('express'); var app = express(); // Serve static files from directory 'public' app.use(express.static('public')); // Start Express server app.listen(3030);

Two of the most fundamental higher-order functions included in the standard library are map and filter. These functions are generic and can operate on any iterable. In particular, they are well-suited for computations on arrays. Suppose we have a dataset of schools. Each school teaches a particular...