I have code something like this: <? $a=”localhost”; function body(){ global $a; echo $a; } function head(){ global $a; echo $a; } function footer(){ global $a; echo $a; } ?> is there any way to define the global variable in one place and make the variable $a accessible in all the functions at once? without … Read more
It seems that I may have inadvertently loaded the password validation plugin in MySQL 5.7. This plugin seems to force all passwords to comply to certain rules. I would like to turn this off. I’ve tried changing the validate_password_length variable as suggested here to no avail. mysql> SET GLOBAL validate_password_length=4; Query OK, 0 rows affected … Read more
This question already has answers here: How can I change a global variable from within a function? (8 answers) Using global variables in a function (24 answers) Closed 5 years ago. What am I doing wrong here? counter = 0 def increment(): counter += 1 increment() The above code throws an UnboundLocalError. 8 Answers 8
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 5 years ago. Improve this question In C/C++, are global variables as bad as my professor thinks they are? 28 Answers 28
How can I create global variable keep remain values around the life cycle of the application regardless which activity running. 14 Answers 14
What I understand from reading the documentation is that Python has a separate namespace for functions, and if I want to use a global variable in that function, I need to use global. I’m using Python 2.7 and I tried this little test >>> sub = [‘0’, ‘0’, ‘0’, ‘0’] >>> def getJoin(): … return … Read more
I know I should avoid using global variables in the first place due to confusion like this, but if I were to use them, is the following a valid way to go about using them? (I am trying to call the global copy of a variable created in a separate function.) x = “somevalue” def … Read more
I have a problem where i’m initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its … Read more
How can I print all global variables/local variables? Is that possible in gdb? 3 Answers 3
Working on an idea for a simple HTMLElement wrapper I stumbled upon the following for Internet Explorer and Chrome: For a given HTMLElement with an id in the DOM tree, it is possible to retrieve the <div> using its ID as a variable name or as a property of window. So for a <div> like <div … Read more
