Set variable in jinja
I would like to know how can I set a variable with another variable in jinja. I will explain, I have got a submenu and I would like show which link is active. I tried this: where recordtype is a variable given for my template.
variable-assignment
Multiple left-hand assignment with JavaScript
Actually, is not equivalent to: The difference is in scoping: Expand snippet Actually this shows that assignment are right associative. The bad example is equivalent to:
Error in assignment of member in read-only object
I am working on worm_sim simulater , ubuntu, gcc, codeblocks IDE traffic_source.h file traffic_source.cpp the value packet_generating_rate is not const but when i try to modify it either directly or using the set function it give me errors although it is used on other files with no problem, any suggestion plz
Is it possible only to declare a variable without assigning any value in Python?
Why not just do this: Python is dynamic, so you don’t need to declare things; they exist automatically in the first scope where they’re assigned. So, all you need is a regular old assignment statement as above. This is nice, because you’ll never end up with an uninitialized variable. But be careful — this doesn’t … Read more
Multiple assignment and evaluation order in Python
In an assignment statement, the right-hand side is always evaluated fully before doing the actual setting of variables. So, evaluates y (let’s call the result ham), evaluates x + y (call that spam), then sets x to ham and y to spam. I.e., it’s like By contrast, sets x to y, then sets y to x (which == y) plus y, so it’s equivalent to
Left Hand Side of an Assignment must be a Variable CharAt
So, the reason why gives that error is that “=” is an assignment operator in java, and so the left-hand side must be a variable. That being said, you probably actually want which uses the comparison operator (==) and the space character (‘ ‘). (“” is an empty string)
Local variable referenced before assignment?
When Python parses the body of a function definition and encounters an assignment such as Python interprets feed as a local variable by default. If you do not wish for it to be a local variable, you must put in the function definition. The global statement does not have to be at the beginning of the function … Read more
Expression must be a modifiable L-value
lvalue means “left value” — it should be assignable. You cannot change the value of text since it is an array, not a pointer. Either declare it as char pointer (in this case it’s better to declare it as const char*): Or use strcpy: