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How to extract URL parameters from a URL with Ruby or Rails?
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Good find. If you have simple params (non-nested) and are performance sensitive, Rack::Utils.parse_query might be of interest. The code is worth reading: github.com/rack/rack/blob/master/lib/rack/utils.rb
– Levi
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How to Set a Custom Font in the ActionBar Title?
How (if possible) could I set a custom font in a ActionBar title text(only - not the tab text) with a font in my assets folder? I don't want to use the android:logo option.
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...it, just a no-arg constructor?) with CDI, while I have to use @ManagedBean if I want to inject it with plain JSF?
– Matt Ball
Dec 3 '10 at 16:41
3
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ng-repeat :filter by single field
...re filtering by color. This method is more compact, which might be useful if you want to search by multiple properties, and you'd rather not have a long object in the HTML: filter:{ color: '...', size: '...', ...}
– Mark Rajcok
Feb 6 '13 at 16:21
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How to select the row with the maximum value in each group
...solution:
require(data.table) ## 1.9.2
group <- as.data.table(group)
If you want to keep all the entries corresponding to max values of pt within each group:
group[group[, .I[pt == max(pt)], by=Subject]$V1]
# Subject pt Event
# 1: 1 5 2
# 2: 2 17 2
# 3: 3 5 ...
Search all of Git history for a string? [duplicate]
...tely positive that no sensitive information is going to be pushed, perhaps if something slipped in-between commits or something. I doubt I was careless enough to do this, but I want to be positive .
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HTML5 textarea placeholder not appearing
...date (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF) character token,
then ignore that token and move on to the next one. (Newlines
at the start of textarea elements are ignored as an authoring
convenience.)
You might still have ...
R script line numbers at error?
If I am running a long R script from the command line (R --slave script.R), how can I get it to give line numbers at errors?
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How can I get a collection of keys in a JavaScript dictionary? [duplicate]
... shim it in older browsers...
const keys = Object.keys(driversCounter);
If you wanted values, there is Object.values() and if you want key and value, you can use Object.entries(), often paired with Array.prototype.forEach() like this...
Object.entries(driversCounter).forEach(([key, value]) =>...
@OneToMany List vs Set difference
Is there any difference if I use
2 Answers
2
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