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Performing Breadth First Search recursively
... traversal traditionally uses a queue, not a stack. The nature of a queue and a stack are pretty much opposite, so trying to use the call stack (which is a stack, hence the name) as the auxiliary storage (a queue) is pretty much doomed to failure, unless you're doing something stupidly ridiculous w...
What is the point of a “Build Server”? [closed]
I haven't worked for very large organizations and I've never worked for a company that had a "Build Server".
18 Answers
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Setting action for back button in navigation controller
...igning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the root:
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How to make a .jar out from an Android Studio project
I'm using AndroidStudio and I have this project as shown:
9 Answers
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When should I use require() and when to use define()?
...laying around with requirejs for the last few days. I am trying to understand the differences between define and require.
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Diff files present in two different directories
...compare all the files present in both the directories using the diff command. Is there a simple command line option to do it, or do I have to write a shell script to get the file listing and then iterate through them?
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Define: What is a HashSet?
... HashSet holds a set of objects, but in a way that it allows you to easily and quickly determine whether an object is already in the set or not. It does so by internally managing an array and storing the object using an index which is calculated from the hashcode of the object. Take a look here
Hash...
AngularJS: disabling all form controls between submit and server response
I have a dilemma about what is the best (and correct) approach if I want to disable form controls (or at least make them unavailable for user interaction) during a period of time when user clicks sort of "Save" or "Submit" button and data travelling over the wire. I don't want to use JQuery (which i...
Undo changes in entity framework entities
....NET entity framework automatically tracks changes (in generated entities) and therefore keeps the original values, how can I rollback changes made to the entity objects?
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...nswer your concerns:
MySQL >= 5.1.17 (or >= 5.1.21 for the PREPARE and EXECUTE statements) can use prepared statements in the query cache. So your version of MySQL+PHP can use prepared statements with the query cache. However, make careful note of the caveats for caching query results in the...