Let’s say I have a script like the following: useless.sh echo “This Is Error” 1>&2 echo “This Is Output” And I have another shell script: alsoUseless.sh ./useless.sh | sed ‘s/Output/Useless/’ I want to capture “This Is Error”, or any other stderr from useless.sh, into a variable. Let’s call it ERROR. Notice that I am using … Read more
It seems pretty simple but I can’t find a good way to do it. Say in the first page I create a variable $myVariable = “Some text”; And the form’s action for that page is “Page2.php”. So in Page2.php, how can I have access to that variable? I know I can do it with sessions … Read more
I would like to be able to get the name of a variable as a string but I don’t know if Python has that much introspection capabilities. Something like: >>> print(my_var.__name__) ‘my_var’ I want to do that because I have a bunch of variables I’d like to turn into a dictionary like : bar = … Read more
I’m trying to debug someone else’s SQL reports and have placed the underlying reports query into a query windows of SQL 2012. One of the parameters the report asks for is a list of integers. This is achieved on the report through a multi-select drop down box. The report’s underlying query uses this integer list … Read more
Is it better in C++ to pass by value or pass by constant reference? I am wondering which is better practice. I realize that pass by constant reference should provide for better performance in the program because you are not making a copy of the variable. 11 Answers 11
So I’m creating a shortcode that uses the standard bootstrap carousel. It works completely fine as long as all the 3 slide attributes are entered correctly but obviously if only 2 are set and the forth is not it still creates the 3th div for the slide but just does not enter the image src … Read more
I am using python to work out how many children would be born in 5 years if a child was born every 7 seconds. The problem is on my last line. How do I get a variable to work when I’m printing text either side of it? Here is my code: currentPop = 312032486 oneYear … Read more
There’s an external website that I’ll be referencing within my posts that uses the same static format for their pages. Let’s say it’s website.com/view/1111, website.com/view/1112, etc. What I want to do is create a post template that will automatically append a link to that external site above the post content. So, for example, if my … Read more
I have different menu items. When the user clicks on a menu item, I want them to go to a particular destination. Each menu’s destination has a different background color. I’m thinking that I can pass a variable around and based on the value, I can set the bgcolor. This is just one example of … Read more
Why do most C programmers name variables like this: int *myVariable; rather than like this: int* myVariable; Both are valid. It seems to me that the asterisk is a part of the type, not a part of the variable name. Can anyone explain this logic? 12 Answers 12
