variable-assignment

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Python: Assign Value if None Exists

I am a RoR programmer new to Python. I am trying to find the syntax that will allow me to set a variable to a specific value only if it wasn\'t previously开发者_Python百科 assigned. Basically I want:[详细]

2023-04-03 02:25 分类：问答
Problem assigning values to Mat array in OpenCV 2.3 - seems simple

Using the new API for OpenCV 2.3, I am having trouble assigning values to a Mat array (or say image) inside a loop. Here is the code snippet which I am using;[详细]

2023-04-02 02:12 分类：问答
inserting into the middle of an array

I have an array int *playerNum which sto开发者_JAVA技巧res the list of all the numbers of the players in the team. Each slot e.g playerNum[1]; represents a position on the team, if I wanted to add a n[详细]

2023-04-01 20:58 分类：问答
How does javascript x = y work when dealing with objects?

I am working with Omniture tagging and I\'ve got numerous events on the page.In omniture, the base object is s this object is created globally by Omniture.[详细]

2023-04-01 01:50 分类：问答
overloading operator =

I have to create a function which overloads the = operator so that when you put object1 = object2; it\'ll copy over all the values inside object2 into object1.[详细]

2023-03-31 22:21 分类：问答
C++ Need Help with Displaying Results in Main() DEBUGGING

Hey everyone here is my code ive tried to display my results with no luck i get an error count was not declared in this scope[详细]

2023-03-31 21:52 分类：问答
Copy constructor not being called on function result

GCC inlines a statement -- no matter how hard I try to prevent it. I tried -fno-inline -O0 __attribute__ ((noinline))[详细]

2023-03-31 14:25 分类：问答
How does variable assignment in an expression work?

This is a practice I\'ve seen before, but not very often: A variable is assigned to a value at the same time the value itself is evaluated (or is it the expression itself that is evaluated?). Example:[详细]

2023-03-31 08:59 分类：问答
Loading javascript in Code Igniter

For our Code Igniter application we are loading all of our javascript just before the closing body tag.[详细]

2023-03-30 14:32 分类：问答
How do you (get around) dynamically naming variables?

I\'m not sure if I\'m using the right nomenclature, so I\'ll try to make my question as specific as possible. That said, I imagine this problem comes up all the time, and there are probably several di[详细]

2023-03-30 12:07 分类：问答