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UIDevice uniqueIdentifier deprecated - What to do now?
...property is deprecated in iOS 5 and unavailable in iOS 7 and above. No alternative method or property appears to be available or forthcoming.
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Java: Why is the Date constructor deprecated, and what do I use instead?
...xt.SimpleDateFormat are now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.
– Basil Bourque
Nov 28 '18 at 19:18
add a comment
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How do I capture bash output to the Mac OS X clipboard?
... from the clipboard:
pbpaste > ls.txt
You can use both together to filter content on the clipboard - here's a rot13:
pbpaste | tr 'a-zA-Z' 'n-za-mN-ZA-M' | pbcopy
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C++ : why bool is 8 bits long?
...(i.e. usually the 8bits byte).
Access to memory is always in "chunks" (multiple of words, this is for efficiency at the hardware level, bus transactions): a boolean bit cannot be addressed "alone" in most CPU systems. Of course, once the data is contained in a register, there are often specialized...
knitr Markdown highlighting in Emacs?
...y where you keep Emacs material, e.g.:
~\conf\emacs
and change the resulting polymode-master dir to polymode
Add this in your init file (and if you used different names above, change names below accordingly):
;; Just an Emacs personal dir containing polymode packages etc.
(setq MY-EMACS "~/...
Supabase扩展能实现实时推送吗？源码级Realtime能力分析 - App应用开发 - ...
...了 fun123 自研的 Supabase 扩展。Supabase 官方确实提供了 Realtime 实时推送功能，那么当前扩展是否已经封装了这些能力？能否直接用来做推送？
以下是源码级分析结论。
一、Supabase Realtime 三大功能
Supabase 官方提供三种 Rea...
How can I round up the time to the nearest X minutes?
...into my utility library as an extension method.
– JYelton
Aug 11 '11 at 16:42
1
Watch out for rou...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...esn't try to come back to the UI thread, and everything therefore works.
Alternatively, you could call StartAsTask().ConfigureAwait(false) before awaiting the inner operation to make it come back to the thread pool rather than the UI thread, avoiding the deadlock entirely.
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how to generate migration to make references polymorphic
...
As far as I know, there's no built-in generator for polymorphic associations. Generate a blank migration and then modify it by hand according to your needs.
Update:
You'll need to specify which table you're changing. According to this SO answer:
class Ad...
How to assign colors to categorical variables in ggplot2 that have stable mapping?
...es easier when you're trying to maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor leve...