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Find the index of a dict within a list, by matching the dict's value
... as Brent Newey has written in the comments; see also tokland's answer):
>>> L = [{'id':'1234','name':'Jason'},
... {'id':'2345','name':'Tom'},
... {'id':'3456','name':'Art'}]
>>> [i for i,_ in enumerate(L) if _['name'] == 'Tom'][0]
1
...
How can I get Eclipse to show .* files?
...select filters
From there, uncheck .* resources.
So Package Explorer -> View Menu -> Filters -> uncheck .* resources.
With Eclipse Kepler and OS X this is a bit different:
Package Explorer -> Customize View -> Filters -> uncheck .* resources
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Importing a Maven project into Eclipse from Git
...perform a git clone via the command line (outside Eclipse) then use File -> Import... -> Existing Maven Projects.
Your projects will be understood as using Git and Maven. It's the fastest and most reliable way to import IMO.
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“Ago” date/time functions in Ruby/Rails
...e 'active_support/all' or if using bundle: gem "activesupport", :require => "active_support"
– Alireza Eliaderani
May 24 '13 at 18:53
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Concatenating two one-dimensional NumPy arrays
...e API is consistent (e.g. if all the numpy functions that take variable length argument lists require explicit sequences).
– Jim K.
Aug 24 '16 at 20:43
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No identities are available for signing Xcode 5
... There's no need of steps 3 and 4. They are replaced by: -> Go to Xcode > Preferences > Accounts > Apple ID used > View Details. Press the refresh button so that it downloads the provisioning profile. After it downloads it, click Done. Now you can validate and submit ...
delete a.x vs a.x = undefined
...ed just sets the property to undefined, but the property is still there:
> var a = {x: 3};
> a.x = undefined;
> a.constructor.keys(a)
["x"]
delete actually deletes it:
> var a = {x: 3};
> delete a.x;
> a.constructor.keys(a)
[]
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How to convert byte array to string and vice versa?
...to sent byte[] in request(POST) and the process was as follows:
PDF File >> Base64.encodeBase64(byte[]) >> String >> Send in request(POST) >> receive String >> Base64.decodeBase64(byte[]) >> create binary
Try this and this worked for me..
File file = new File("...
Is there an opposite of include? for Ruby Arrays?
...e? passing it a block with == for the comparison:
[1, 2].include?(1)
#=> true
[1, 2].none? { |n| 1 == n }
#=> false
Array#include? accepts one argument and uses == to check against each element in the array:
player = [1, 2, 3]
player.include?(1)
#=> true
Enumerable#none? can a...
How to determine why visual studio might be skipping projects when building a solution
...ger skipped. To remove it, in Solution Explorer, right-click the project > Remove > OK. To add it back, in Solution Explorer, right-click the solution > Add > Existing Project and select your project
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