On MySQL 8+, we can handle this without a subquery by using analytic functions: SELECT b.id, a.invoice, b.price AS total, SUM(b.price) OVER (PARTITION BY a.id) AS count FROM TableB b LEFT JOIN TableA a ON a.id = b.aid; On earlier versions of MySQL, or if you are doing this from an ORM layer which doesn’t … Read more
I’m not sure if this is what you are asking, but I interpreted this as list the files in a given directory, and then check if the input is in the file. import os string = input(“Please type the input “) directory = “c://files//python” for file in os.listdir(directory): if file.endswith(“.txt”): filecontent = open(file, “r”) if … Read more
If you are using sessions, you will need an ajax call that will call a php file within the session that will update a particular session variable. The issue at hand though is that it would not be an update until the next time the base page was loaded since that information would need to … Read more
-f is for specifying a filename to read your “filter” from – the filter in this case being .sm_api_content It sounds as if you just want to run jq without -f, e.g. jq -r .sm_api_content JSON.txt 0 solved What is the correct syntax for jq?
Currently, they are two option existing: they are running a custom piece of software that support a jvm they are running a minimum version of a linux , just what’s enough to run the jvm, everything else is disabled / removed. It’s booting that fast because it has only the piece of code needed to … Read more
You are reading an int using Scanner.nextInt(): as described in the documentation, this uses Integer.parseInt to read the number; and that method explicitly states that it accepts a leading + sign: The characters in the string must all be digits of the specified radix (as determined by whether Character.digit(char, int) returns a nonnegative value), except … Read more
create procedure my_procedure (@col_alias varchar(100)) as declare @my_stmt nvarchar(max) = N’select 1+1 as ‘ + @col_alias exec sp_executesql @stmt = @my_stmt exec my_procedure @col_alias=”[This is a dynamix col alias]” This is a dynamix col alias ————————— 2 15 solved Generate column Alias name dynamically in MS SQL Server [closed]
Well you can use java.util.Scanner.next() method. see the documentation next() Finds and returns the next complete token from this scanner. Scanner sc = new Scanner(System.in); String str = sc.next(); System.out.println(str); There are also plenty of other options available if you’re willing to switch from Scanner class. One possible option is using java.io.BufferedReader class. BufferedReader bi … Read more
You can use: float input1String = txtInput1.getText() == null ? 0.0f : Float.valueOf(txtInput1.getText().trim()); which can throw an exception if the value of yout Textfiled is not a float value 4 solved How can i change my Var to Float in GUI Java?
From the below information provided by you: when I iterate over it and return the values they return [hello] [world] It seems that your currentMap actually stores string slices []string as values, behind the interface{} type. Assuming that above line means that you see this when printing the map using fmt.Println(), or similar functions. map[first:[hello] … Read more
Just remove float left from the below css, and you’re done… #services-list > li{ float: none; } solved how to force list items to go to differents rows?
Updating the page reference in the source (src) attribute will display the page you specified. <iframe src=”http://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fbigfishlaspalmas&width=320&colorscheme=light&show_faces=false&border_color=&stream=true&header=false&height=395″ scrolling=”no” frameborder=”0″ style=”border:none; overflow:hidden; width:320px; height:395px;” allowTransparency=”true”></iframe> src=”http://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fbigfishbudapest&width=320&colorscheme=light&show_faces=false&border_color=&stream=true&header=false&height=395″ src=”http://www.facebook.com/plugins/likebox.php?href=http%3A%2F%2Fwww.facebook.com%2Fbigfishlaspalmas&width=320&colorscheme=light&show_faces=false&border_color=&stream=true&header=false&height=395″ solved HTML iframe not working when i write src= of facebook
Since you already have binned data, just use pyplot.errorbar or add yerr kwarg to bar plot from matplotlib import pyplot as plt plt.errorbar( [n/len(bins) for n, x in enumerate(bins)], [x[0][0] for x in bins], yerr = [x[0][1]**0.5 for x in bins], marker=”_”, fmt=”.”) plt.bar( [n/len(bins) for n, x in enumerate(bins)], [x[0][0] for x in bins], … Read more
That isn’t a concatenation: you’re not appending this to anything else. It’s only a value substitution. Thus, you should (1) use the variable name, rather than a string; (2) leave out the concatenation attempt. “device-id”: d1, This should substitute the desired value of varibale d1. solved Python String concatenation with in double quotes [closed]
I don’t really understand the purpose of what you are asking but this works #include “omp.h” #include <iostream> using namespace std; int main() { #pragma omp parallel { int nthreads = omp_get_num_threads(); for(int i=nthreads-1; i>=0; i–) { #pragma omp barrier { if(i==omp_get_thread_num()) { #pragma omp critical cout << “I am thread “<< i <<endl; } … Read more