[Solved] Join with multiple table

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I believe here is what you looking for: SELECT SID, SNAME, count(DISTINCT PID) AS `c` FROM PRO_STU INNER JOIN Student USING (SID) GROUP BY SID, SNAME HAVING `c` = (SELECT count(*) FROM Professor) 1 solved Join with multiple table

[Solved] Bidirectional connection [closed]

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Although your question is off-topic the answer is pretty simple. You have multiple wires. For a signal you need at least two. One for the signal and one to have a common reference the signal refers to. So either you have at least 2 signal lines so you can send and receive at the same … Read more

[Solved] SWT – Snap display to right hand side of the screen

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Here is some code that utilizes the functions found by sambi: public static void main(String[] args) { Display display = new Display(); final Shell shell = new Shell(display); shell.setLayout(new FillLayout(SWT.VERTICAL)); shell.setText(“StackOverflow”); Monitor primary = display.getPrimaryMonitor(); /* Get the available screen size (without start menu) */ Rectangle area = primary.getClientArea(); shell.pack(); /* Set the shell size … Read more

[Solved] Checking whether elements of an Array contains a specified String

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NSString has a rangeOfString function that can be used for looking up partial string matches. This function returns NSRange. You can use the location property. … NSArray *qwer = [NSArray arrayWithObjects:@”Apple Juice”,@”Apple cake”,@”Apple chips”,@”Apple wassail”nil]; for (NSString *name in qwer){ if ([name rangeOfString:keyword].location == NSNotFound) { NSLog(@”contains”); } } … Reference : https://developer.apple.com/reference/foundation/nsstring/1416849-rangeofstring https://developer.apple.com/reference/foundation/nsrange Thanks … Read more

[Solved] Why am I getting an undefined reference error while using separate .cpp and .h files for a class?

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In your second and final step, you didn’t instruct the compiler (linker more exactly) to take into account Adder.o, so your final executable still doesn’t know the implementation of Adder::add Try, after getting Adder.o, to run g++ main.cpp Adder.o Also, this may be relevant : Difference between compiling with object and source files Also, if … Read more

[Solved] List of lists in python [duplicate]

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A simple way to do this is to use a dictionary. Something like this: list1 = [[‘John’,2],[‘Smith’,5],[‘Kapil’,3]] list2 = [[‘Smith’,2],[‘John’,2],[‘Stephen’,3]] dict = {} for item in list1: try: dict[item[0]] += item[1] except: dict[item[0]] = item[1] for item in list2: try: dict[item[0]] += item[1] except: dict[item[0]] = item[1] print dict This gives the output: {‘John’: 4, … Read more

[Solved] Jquery effect works on only the first id

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Use class attribute as id should be unique for every element. id represents only one element that’s why it should be unique. So when you apply selector it only selects the first element that it founds on the page. do like this: <div class=”accordionSlide”> <a href=”https://stackoverflow.com/solutions/wireless-remote-monitoring/index.html”>Wireless Remote Monitoring</a> </div> and jquery: var allPanels = $(‘.accordionSlide’); … Read more

[Solved] Replace YYYY-MM-DD dates in a string with using regex [closed]

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import re from datetime import datetime, timedelta dateString = “hello hello 2017-08-13, 2017-09-22” dates = re.findall(‘(\d+[-/]\d+[-/]\d+)’, dateString) for d in dates: originalDate = d newDate = datetime.strptime(d, “%Y-%m-%d”) newDate = newDate + timeDelta(days=5) newDate = datetime.strftime(newDate, “%Y-%m-%d”) dateString = dateString.replace(originalDate, newDate) Input: hello hello 2017-08-13, 2017-09-22 Output: hello hello 2017-08-18, 2017-09-27 6 solved Replace YYYY-MM-DD … Read more

[Solved] append dropdown box selections to a textbox [closed]

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To achieve this, you would have to create a function that gathers all the values then formats them in the way you want. An example of this would be: function generate(){ var result=””; result += document.getElementById(‘drop1’).value + ‘ – ‘; result += document.getElementById(‘drop2’).value + ‘ – ‘; result += document.getElementById(‘drop3’).value + ‘ – ‘; result … Read more

[Solved] Class to return

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First thing I noticed Book constructors are the main issue. Your first constructor has two parameters title and year. Book b1 = new Book(title, year); But in the second constructor has one parameter title and you have missed the year. That’s why you didn’t get year. Book b2 = new Book(title); You can correct it … Read more

[Solved] Form to PHP to PDF: Conversion Assistance

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I’ve recently use pdftk (server) to do so: https://www.pdflabs.com/tools/pdftk-server/ First, install it on a webserver or locally. Then, here’s a PHP class I adapted from the web (copy it and name it PdfFormToPdftk.php): <?php class PdfFormToPdftk { /* * Path to raw PDF form * @var string */ private $pdfurl; /* * Path to PDFKTK … Read more

[Solved] Multiple value returned in JS/How to access an array of returned value from outside the function?

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You can’t capture elements from an array like you want. Either do it the traditional way: var arr = calcualteMyAge(myDob); var age = arr[0]; var rang = arr[1]; Or with ES6 you can use destructuring: const [ age, rang ] = calcualteMyAge(myDob); 4 solved Multiple value returned in JS/How to access an array of returned … Read more

[Solved] R script : add a padding to the ymax of the plot with ggplot2

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No code to generate your sample data was provided, so I used the code @akrun had used previously: y3 <- matrix(rnorm(5000), ncol = 5) library(tidyverse) as.data.frame(y3) %>% mutate(row = row_number()) %>% # add row to simplify next step pivot_longer(-row) %>% # reshape long ggplot(aes(value, color = name)) + # map x to value, color to … Read more