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When to use %r instead of %s in Python? [duplicate]
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Use the %r for debugging, since it displays the "raw" data of the variable,
but the others are used for displaying to users.
That's how %r formatting works; it prints it the way you wrote it (or close to it). It's the "raw" format for debugging. Here \n used to display to...
Solving “Who owns the Zebra” programmatically?
...f your own creation using a technique such as modus ponens to perform the draw the conclusions.
You will, of course, need to add some rules about zebras, since it isn't mentioned anywhere... I believe the intent is that you can figure out the other 4 pets and thus deduce the last one is the zebra?...
How to output MySQL query results in CSV format?
...at and escaping of
special characters. Escaping may be disabled by using raw mode; see
the description for the --raw option.
This will give you a tab separated file. Since commas (or strings containing comma) are not escaped it is not straightforward to change the delimiter to comma.
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source of historical stock data [closed]
...o uses a different "corporate events" data provider and then just uses the raw CSI data adjusted by the corporate events. This somewhat old article gives some insight: amibroker.org/userkb/2007/09/23/yahoos-data-providers
– lukebuehler
Jul 8 '13 at 2:45
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How do I fetch a single model in Backbone?
... answered Feb 23 '11 at 21:57
Andrew De AndradeAndrew De Andrade
3,43633 gold badges2929 silver badges3535 bronze badges
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Is SQL or even TSQL Turing Complete?
...e programming languages, so that's kinda cheating).
In this set of slides Andrew Gierth proves that with CTE and Windowing SQL is Turing Complete, by constructing a cyclic tag system, which has been proved to be Turing Complete. The CTE feature is the important part however -- it allows you to crea...
JavaScript + Unicode regexes
...thanks to @modiX and @Lwangaman for the improvements).
Here's the source (raw, 27.5KB; minified, 24.9KB, not much better...). It might be made smaller by unescaping the unicode characters, but OTOH will run the risk of encoding issues, so I'm leaving as it is. Hopefully with ES6 this kind of thing ...
trying to animate a constraint in swift
... that I want to enlarge its width when tapped on. I set up the constraints and made sure the constraint on the left has the lower priority then the one that I am trying to animate on the right side.
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Which kind of pointer do I use when?
...ovides a better solution. —end note ]
No ownership:
Use dumb pointers (raw pointers) or references for non-owning references to resources and when you know that the resource will outlive the referencing object / scope. Prefer references and use raw pointers when you need either nullability or re...
MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制 · Ap...
...会检查名称并只处理适当的消息。Kodular现在也提供许多Androidx功能。只需要集成 “androidx.media.jar”。前台服务现在通过源代码中的 UsesServices 注解和生成的.aix文件中的 broadcastReceivers 部分手动声明。有了这些更改，不再需要为App...