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php check if array contains all array values from another array
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And even then: array comparison: "== TRUE if $a and $b have the same key/value pairs.", so the order doesn't even matter (use === for that)
– Wrikken
Oct 16 '13 at 21:24
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Devise form within a different controller
... @devise_mapping ||= Devise.mappings[:user]
end
Source: http://pupeno.com/blog/show-a-devise-log-in-form-in-another-page/
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Android phone orientation overview including compass
... just mention that azimuth, pitch and roll are NOT the same as coming out from the deprecated OrientationSensor. orientation[0] = orientation[0] >= 0 ? orientation[0]: orientation[0] + 360; will normalize azimuth and if (orientation[1] <= -90) { orientation[1] += (-2*(90+orienta...
How to automatically install Ansible Galaxy roles?
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# Install a role from GitHub
- name: opendaylight
src: https://github.com/dfarrell07/ansible-opendaylight
# Install a role from a specific git branch
- name: opendaylight
src: https://github.com/dfarrell07/ansible-opendaylight
version: origin/master
# Install a role at a specific tag from...
How to create directory automatically on SD card
...tory() for getting the "SD Card" directory as this might change if a phone comes along which has something other than an SD Card (such as built-in flash, a'la the iPhone). Either way you should keep in mind that you need to check to make sure it's actually there as the SD Card may be removed.
UPDAT...
Waiting on a list of Future
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You can use a CompletionService to receive the futures as soon as they are ready and if one of them throws an exception cancel the processing. Something like this:
Executor executor = Executors.newFixedThreadPool(4);
CompletionService<...
Redirect parent window from an iframe action
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window.top.location.href = "http://www.example.com";
Will redirect the parent iframe.
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Numeric for loop in Django templates
...mall cases with no special tags and no additional context. Sometimes this comes in handy
{% for i in '0123456789'|make_list %}
{{ forloop.counter }}
{% endfor %}
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Sankey Diagrams in R?
... Load energy projection data
URL <- paste0(
"https://cdn.rawgit.com/christophergandrud/networkD3/",
"master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
# Plot
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
Target = "target...