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Rails params explained?
...re really just a series of key-value pairs where the key and the value are strings, but Ruby on Rails has a special syntax for making the params be a hash with hashes inside. For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote...
Spring CrudRepository findByInventoryIds(List inventoryIdList) - equivalent to IN clause
...); I get the error: Caused by: java.lang.NumberFormatException: For input string: "(1, 2)"
– user64141
Feb 14 '16 at 17:04
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Android add placeholder text to EditText
...What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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YouTube iframe API: how do I control an iframe player that's already in the HTML?
... https://developers.google.com/youtube/js_api_reference
* @param String frame_id The id of (the div containing) the frame
* @param String func Desired function to call, eg. "playVideo"
* (Function) Function to call when the player is ready.
* @param Array args (opti...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...is statement is true only for mutable objects and not immutable types like string, float, tuples.
– Neerav
May 7 '14 at 0:03
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Java Ordered Map
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example: SortedMap<String, Object> map = new TreeMap<>();
– Ben
Jan 22 '17 at 22:11
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Plot two graphs in same plot in R
...es(y=y2), colour="green") # second layer
Here + operator is used to add extra layers to basic object.
With ggplot you have access to graphical object on every stage of plotting. Say, usual step-by-step setup can look like this:
g <- ggplot(df, aes(x))
g <- g + geom_line(aes(y=y1), colour=...
CSS force image resize and keep aspect ratio
...place 'contain' by 'cover' if you want to fill the div completely and crop extra pixels that doesn't fit the ratio
– mbritto
Nov 2 '15 at 9:31
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In git, is there a simple way of introducing an unrelated branch to a repository?
... Thanks for this, I wouldn't have thought about it on my own. This is extra helpful because it maintains the history (if there is any) for the other repo.
– BM5k
Jul 8 '12 at 18:21
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How to return a result from a VBA function
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Actually you answered the question more clearly with extra information (which could potentialy lead to another question from new to VBA guy). Keep up the good work
– Adarsha
May 6 '10 at 14:39
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