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Open files in 'rt' and 'wt' modes
...pen for writing, truncating the file first
'x' open for exclusive creation, failing if the file already exists
'a' open for writing, appending to the end of the file if it exists
'b' binary mode
't' text mode (default)
'+' open a disk file for updating (reading and writing)
'U' ...
dealloc in Swift
...up at the end of a view controller's life, namely to remove an NSNotificationCenter notification. Implementing dealloc results in a Swift compiler error:
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Efficiently convert rows to columns in sql server
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@DarXyde sory I must mixed 2 versions, please recompile and try again
– Bartosz X
Sep 24 '18 at 14:02
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When should I use cross apply over inner join?
...bo.myTableFun(O.name) F
where F.schema_id= O.schema_id
Edit:
Note:
Informix 12.10 xC2+ has Lateral Derived Tables and Postgresql (9.3+) has Lateral Subqueries which can be used to a similar effect.
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How to Get the Title of a HTML Page Displayed in UIWebView?
...rty, just do it like this,
func webView(_ wv: WKWebView, didFinish navigation: WKNavigation!) {
title = wv.title
}
I don't think UIWebView is suitable right now.
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How do I avoid capturing self in blocks when implementing an API?
... not sure the "correct" or recommended way to implement this type of scenario.
8 Answers
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Install Gem from Github Branch?
...or the short form is just bundle.
Read more about it here: http://bundler.io/man/gemfile.5.html#GIT
Update: There's a github source identifier.
gem 'country_select', github: 'stefanpenner/country_select'
However, they warn against using it: NOTE: This shorthand should be avoided until Bundler 2...
Canary release strategy vs. Blue/Green
...en ask yourselves, before choosing a Canary or Blue/green or whatever gray/mixed mode strategy: What concern(s) do we have when releasing/deploying the new version? And only then if you know your concerns, choose your strategy.
Additionally, it is possible to do more complex Deploy/Release strategi...
Optimal number of threads per core
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If your threads don't do I/O, synchronization, etc., and there's nothing else running, 1 thread per core will get you the best performance. However that very likely not the case. Adding more threads usually helps, but after some point, they cause some performance deg...
Link vs compile vs controller
... you create a directive, you can put code into the compiler, the link function or the controller.
6 Answers
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