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how to add records to has_many :through association in rails
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edited Aug 3 '18 at 10:37
BKSpurgeon
21.7k88 gold badges7777 silver badges6363 bronze badges
answer...
Providing a default value for an Optional in Swift?
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As of Aug 2014 Swift has coalescing operator (??) that allows that. For example, for an optional String myOptional you could write:
result = myOptional ?? "n/a"
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Start service in Android
...alled my service, my debugg not show nothing
– user3402040
Nov 9 '15 at 23:04
Add a shitton of Log.e tags everywhere: ...
Contributing to project on github, how to “rebase my pull request on top of master”
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110
You only show a fetch on the upstream repo. That doesn't actually update any of your local branc...
What is the template binding vs binding?
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TemplateBinding is used for binding to the element properties within the template definition. ...
JavaScript :How to set a Conditional Break Point in Chrome debugger tools
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answered Jan 30 '13 at 7:21
TheraotTheraot
15.6k44 gold badges4545 silver badges6969 bronze badges
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How does comparison operator works with null int?
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210
According to MSDN - it's down the page in the "Operators" section:
When you perform comparis...
Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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JSON.parse vs. eval()
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You are more vulnerable to attacks if using eval: JSON is a subset of Javascript and json.parse...
Reading GHC Core
...ore to program GHC.
GHC Core fits in the compiler pipeline (as it was in 2002, sans-LLVM and CMM):
The primary documents to learn about GHC Core are:
An External Representation for the GHC Core Language, Tolmach, 2001
ghc/compiler/CoreSyn, the GHC definition itself
Secrets of the Glasgow Haske...