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How to display unique records from a has_many through relationship?
...ct => "DISTINCT products.*). In the first case, ALL records are fetched and rails removes the duplicates for you. In the later case, only non-duplicate records are fetched from the db so it might offer better performance if you have a large result set.
– mbreining
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How do I increase the RAM and set up host-only networking in Vagrant?
I would like to increase the RAM to at least 1 GB and I would like to configure “Host-Only” networking to use "199.188.44.20".
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What is the best JavaScript code to create an img element
...te a simple bit of JS code that creates an image element in the background and doesn't display anything. The image element will call a tracking URL (such as Omniture) and needs to be simple and robust and work in IE 6 =< only. Here is the code I have:
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how to change any data type into a string in python
...mystring = repr(myvariable) # '4'
This is called "conversion" in python, and is quite common.
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Laravel Eloquent: How to get only certain columns from joined tables
I have got 2 joined tables in Eloquent namely themes and users.
15 Answers
15
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Why does 'continue' behave like 'break' in a Foreach-Object?
...let (it even has the alias foreach that helps to make this conversion easy and make mistakes easy, too). All continues should be replaced with return.
P.S.: Unfortunately, it is not that easy to simulate break in ForEach-Object.
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Clojure: cons (seq) vs. conj (list)
I know that cons returns a seq and conj returns a collection. I also know that conj "adds" the item to the optimal end of the collection, and cons always "adds" the item to the front. This example illustrates both of these points:
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HTML list-style-type dash
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You could use :before and content: bearing in mind that this is not supported in IE 7 or below. If you're OK with that then this is your best solution. See the Can I Use or QuirksMode CSS compatibility tables for full details.
A slightly nastier ...
How can I tell where mongoDB is storing data? (its not in the default /data/db!)
My host came with a mongodb instance and there is no /db directory so now I am wondering what I can do to find out where the data is actually being stored.
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Get specific line from text file using just shell script
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What about with the sh command, I cannot use sed, awk. I should make this more clear in the question.
– GangstaGraham
Oct 11 '13 at 21:45
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