Java simple accounting program [closed]
There's a spelling mistake (an extra 'e' on the input parameter annualInterest*e*Rate): public void setAnnualInterestRate(double annualInteresteRate){ this.annualInterestRate = annualInterestRate; } Therefore you are setting the this.annualInterestRate to...
pc and mobile site code using user agent
You could do something like this through media queries <link rel="stylesheet" media="screen and (min-device-width: 1024px)" href="https://stackoverflow.com/questions/21937880/pc.css" /> <link rel="stylesheet" media="screen and (max-device-width:...
How many CPU ticks does it take to store a single None? [closed]
In short: In this case, since X does not implement Drop, storing None is done in a single instruction. The number of CPU cycles depends heavily on the exact hardware and on caching effects. But assuming a modern x86-64 CPU and assuming the memory is in L1 cache...
sql aggregate and split [closed]
This uses STRING_AGG to aggregate the strings into one long one, and then a Tally Table to split into the new rows. It is assumed you have a column to order by. if you do not, you cannot achieve what you are after without one as data in a table is stored in an...
What is “-bash: !”: event not found”
You can turn off history substitution using set +H. ! is a special character to bash, it is used to refer to previous commands; eg, !rm will recall and execute the last command that began with the string "rm", and !rm:p will recall but not execute the last...
Visualize a sparse matrix using Python Turtle graphics
What does the problem mean by (rows-1, columns-1)? This is tied up with your mysterious m variable and the order() function you left undefined. Let's proceed anyway. We can see from the matrix() function we're dealing with a square matrix but let's not even...
How to Code Star Patterns without Conditional Logic in Visual C++? For Beginners [closed]
Can’t deal with some complicated laid-out content from a webpage
You can take advantage of CSS selector span[id$=lblResultsRaceName], which finds all spans that's id ends with lblResultsRaceName and 'td > span', which finds all spans that have direct parent <td>: This code snippet will go through all racing result...
What does an “extra” semicolon means? [duplicate]
A for loop is often written int i; for (i = 0; i < 6; i++) { ... } Before the first semicolon, there is code that is run once, before the loop starts. By omitting this, you just have nothing happen before the loop starts. Between the semicolons, there is the...
Python: Compare lists, perform operation, create new list
I think the downvotes are justified because you did not provide any code at all to show us what you tried so far, so that we know where you are stuck with your code. Also i think the way you wrote the requirements is a bit confusing (0eth probably means nth...