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Angular.js: How does $eval work and why is it different from vanilla eval?
...red Mar 27 '13 at 23:36
Josh David MillerJosh David Miller
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Aggregate / summarize multiple variables per group (e.g. sum, mean)
...reshape2 package for this task:
require(reshape2)
df_melt <- melt(df1, id = c("date", "year", "month"))
dcast(df_melt, year + month ~ variable, sum)
# year month x1 x2
1 2000 1 -80.83405 -224.9540159
2 2000 2 -223.76331 -288.2418017
3 2000 3 -188.83930 -481.560...
How to do this using jQuery - document.getElementById(“selectlist”).value
In jQuery, what is the equivalent to document.getElementById("selectlist").value ?
6 Answers
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.
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FYI this didn't work for me because I was getting my JSON from an API and I had the freaking URL wrong for an entire day. ><
– w00ngy
Oct 5 '18 at 13:14
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How to get first element in a list of tuples?
I have a list like below where the first element is the id and the other is a string:
12 Answers
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OAuth 2.0: Benefits and use cases — why?
...0 support two-legged authentication, where a server is assured of a user's identity, and three-legged authentication, where a server is assured by a content provider of the user's identity. Three-legged authentication is where authorization requests and access tokens come into play, and it's importa...
Add querystring parameters to link_to
...ht. the new syntax is ` <%= link_to "Create Note", new_note_path(sender_id: @user.id) %>`
– gsumk
Sep 12 '19 at 22:09
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How to install latest (untagged) state of a repo using bower?
... also just use <git-url>#<branch-name> instead of adding a SHA-ID. So you can also use <git-url>#master to track the master branch.
– MKroehnert
Nov 2 '13 at 8:44
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How do I select the parent form based on which submit button is clicked?
...with 3 forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
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What's the “big idea” behind compojure routes?
... pieces; these are normally a "base" handler function and a collection of middleware functions wrapping it. Compojure's purpose is to simplify the generation of the base handler function.
How?
Compojure is built around the notion of "routes". These are actually implemented at a deeper level by t...