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foreach vs someList.ForEach(){}
There are apparently many ways to iterate over a collection. Curious if there are any differences, or why you'd use one way over the other.
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Why is printing “B” dramatically slower than printing “#”?
I generated two matrices of 1000 x 1000 :
3 Answers
3
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What is the difference between Strategy pattern and Dependency Injection?
Strategy pattern and Dependency Injection both allow us to set / inject objects at run time. What is the difference between Strategy pattern and Dependency Injection?
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Add a prefix string to beginning of each line
I have a file as below:
13 Answers
13
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How to play audio?
I am making a game with HTML5 and JavaScript.
19 Answers
19
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Argparse: Required arguments listed under “optional arguments”?
I use the following simple code to parse some arguments; note that one of them is required. Unfortunately, when the user runs the script without providing the argument, the displayed usage/help text does not indicate that there is a non-optional argument, which I find very confusing. How can I get p...
How to detect that animation has ended on UITableView beginUpdates/endUpdates?
I am inserting/deleting table cell using insertRowsAtIndexPaths/deleteRowsAtIndexPaths wrapped in beginUpdates/endUpdates . I am also using beginUpdates/endUpdates when adjusting rowHeight. All these operations are animated by default.
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What is InputStream & Output Stream? Why and when do we use them?
Someone explain to me what InputStream and OutputStream are?
8 Answers
8
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Validation failed for one or more entities while saving changes to SQL Server Database using Entity
I want to save my Edit to Database and I am using Entity FrameWork Code-First in ASP.NET MVC 3 / C# but I am getting errors. In my Event class, I have DateTime and TimeSpan datatypes but in my database, I've got Date and time respectively. Could this be the reason? How can I cast to the appropriate ...
Can I make the foreign key field optional in Django model
I have this code
1 Answer
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