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What is Delegate? [closed]
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I like to think of a delegate as "a pointer to a function". This goes back to C days, but the idea still holds.
The idea is that you need to be able to invoke a piece of code, but that piece of code you're going to invoke isn't known until runtime. So you ...
Check if a Bash array contains a value
In Bash, what is the simplest way to test if an array contains a certain value?
35 Answers
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Elegant way to check for missing packages and install them?
...re novice/intermediate R users and don't realize that they have to install packages they don't already have.
29 Answers
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What is the easiest way to duplicate an activerecord record?
I want to make a copy of an activerecord record, changing a single field in the process (in addition to the id ). What is the simplest way to accomplish this?
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Get specific line from text file using just shell script
I am trying to get a specific line from a text file.
10 Answers
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How to get the first element of an array?
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answered Nov 3 '10 at 18:47
John HartsockJohn...
On delete cascade with doctrine2
I'm trying to make a simple example in order to learn how to delete a row from a parent table and automatically delete the matching rows in the child table using Doctrine2.
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AngularJS access scope from outside js function
I'm trying to see if there's a simple way to access the internal scope of a controller through an external javascript function (completely irrelevant to the target controller)
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Can you do a partial checkout with Subversion?
... lots of files in each and only needed 3 of those directories, would it be possible to do a Subversion checkout with only those 3 directories under trunk?
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How to make a SPA SEO crawlable?
I've been working on how to make a SPA crawlable by google based on google's instructions . Even though there are quite a few general explanations I couldn't find anywhere a more thorough step-by-step tutorial with actual examples. After having finished this I would like to share my solution so th...