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@Column(s) not allowed on a @ManyToOne property
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
When is memoization automatic in GHC Haskell?
... a CAF, and so is computed for each evaluation.
See the GHC wiki on CAFs: http://www.haskell.org/haskellwiki/Constant_applicative_form
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Capture Signature using HTML5 and iPad
...ed version with variable width (based on drawing velocity) curves: demo at http://szimek.github.io/signature_pad and code at https://github.com/szimek/signature_pad.
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Regular expression for matching latitude/longitude coordinates?
....)(\d+)(,)))(\s*)(([-+]?)([\d]{1,3})((\.)(\d+))?(\)))$
Check it out at:
http://regexpal.com/
Paste the expression in the top box, then put things like this in the bottom box:
(80.0123, -34.034)
(80.0123)
(80.a)
(980.13, 40)
(99.000, 122.000)
Regex breakdown:
^ # The string...
Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...trip all namespaces
root = it.root
This is based on the discussion here:
http://bugs.python.org/issue18304
Update: rpartition instead of partition makes sure you get the tag name in postfix even if there is no namespace. Thus you could condense it:
for _, el in it:
_, _, el.tag = el.tag.rpar...
Filtering a list of strings based on contents
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
...
See: http://api.rubyonrails.org/classes/ActionView/Helpers/DateHelper.html
distance_of_time_in_words(3600)
=> "about 1 hour"
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Do SVG docs support custom data- attributes?
... define the namespace in SVG opening tag, like this: <svg xmlns:mydata="http://www.myexample.com/whatever">
EDIT: SVG2, currently W3C Candidate Recommendation (04 October 2018), will support data- directly (without namespaces, the same as HTML). It will take some time before the support is...
What is the optimal Jewish toenail cutting algorithm?
...ly sorted permutation (1, 2, .. 5), and you'll have a random permutation. http://en.wikipedia.org/wiki/Fisher%E2%80%93Yates_shuffle
But in general, the generate and test method seems totally fine to me, so long as the probability of generating a successful entry is high enough. I am sure there an...
How to implement the activity stream in a social network
...tailed explanation of what I am talking about, see Redis' Twitter example: http://redis.io/topics/twitter-clone
Update February 2011 I've got 50 million active activities at the moment and I haven't changed anything. One nice thing about doing something similar to this is that it uses compact, smal...