Currently I’m doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I’d like to test if they are or are not defined. I did this previously by greping … Read more
For one class I want to store some function pointers to member functions of the same class in one map storing std::function objects. But I fail right at the beginning with this code: #include <functional> class Foo { public: void doSomething() {} void bindFunction() { // ERROR std::function<void(void)> f = &Foo::doSomething; } }; I receive … Read more
In Java I can do something like derp(new Runnable { public void run () { /* run this sometime later */ } }) and “run” the code in the method later. It’s a pain to handle (anonymous inner class), but it can be done. Does Go have something that can facilitate a function/callback being passed … Read more
This code works and sends me an email just fine: import smtplib #SERVER = “localhost” FROM = ‘[email protected]’ TO = [“[email protected]”] # must be a list SUBJECT = “Hello!” TEXT = “This message was sent with Python’s smtplib.” # Prepare actual message message = “””\ From: %s To: %s Subject: %s %s “”” % (FROM, … Read more
When I was studying for my undergraduate degree in EE, MATLAB required each function to be defined in its own file, even if it was a one-liner. I’m studying for a graduate degree now, and I have to write a project in MATLAB. Is this still a requirement for newer versions of MATLAB? If it … Read more
I know that python has a len() function that is used to determine the size of a string, but I was wondering why it’s not a method of the string object. Update Ok, I realized I was embarrassingly mistaken. __len__() is actually a method of a string object. It just seems weird to see object … Read more
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 6 years ago. Improve this question Not many are aware of this feature, but Python’s functions (and methods) can have attributes. … Read more
This question already has answers here: Closed 10 years ago. Possible Duplicate: How do I make a default value for a parameter to a javascript function in PHP: function func($a = 10, $b = 20){ // if func() is called with no arguments $a will be 10 and $ b will be 20 } How … Read more
This question already has answers here: Virtual/pure virtual explained (12 answers) Closed 2 years ago. What is the difference between a pure virtual function and a virtual function? I know “Pure Virtual Function is a Virtual function with no body”, but what does this mean and what is actually done by the line below: virtual … Read more
I’m trying to add a canvas over another canvas – how can I make this function wait to start until the first canvas is created? function PaintObject(brush) { this.started = false; // get handle of the main canvas, as a DOM object, not as a jQuery Object. Context is unfortunately not yet // available in … Read more
