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Can I use if (pointer) instead of if (pointer != NULL)?
Is it safe to check a pointer to not being NULL by writing simply if(pointer) or do I have to use if(pointer != NULL) ?
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What is the overhead of creating a new HttpClient per call in a WebAPI client?
...Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that are intended for multiple calls....
How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Comment Inheritance for C# (actually any language)
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James CurranJames Curran
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How do I clone a range of array elements to a new array?
I have an array X of 10 elements. I would like to create a new array containing all the elements from X that begin at index 3 and ends in index 7. Sure I can easily write a loop that will do it for me but I would like to keep my code as clean as possible. Is there a method in C# that can do it for m...
Height equal to dynamic width (CSS fluid layout) [duplicate]
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var cw = $('.child').width();
$('.child').css({'height':cw+'px'});
Check working example at http://jsfiddle.net/n6DAu/1/
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What is the fastest way to check if a class has a function defined?
...pace search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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Do I need to explicitly call the base virtual destructor?
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Lou FrancoLou Franco
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Create instance of generic type whose constructor requires a parameter?
... an int weight , can I instantiate a piece of fruit in a generic method like this?
10 Answers
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Set value to NULL in MySQL
...f nothing is put into the text box in the form I'm submitting. How can I make this happen?
I've tried inserting 'NULL' but this just adds the word NULL into the field.
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