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Are Swift variables atomic?
...e, but you can study from assembly. Hopper Disassembler is a great tool.
@interface ObjectiveCar : NSObject
@property (nonatomic, strong) id engine;
@property (atomic, strong) id driver;
@end
Uses objc_storeStrong and objc_setProperty_atomic for nonatomic and atomic respectively, where
class Swi...
What are the best practices for structuring a large Meteor app with many HTML template files? [close
...t; initial page load.
>
> Template sections, on the other hand, are converted into JavaScript
> functions, available under the Template namespace. It's a really
> convenient way to ship HTML templates to the client. See the templates
> section for more.
...
Insert a line break in mailto body
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if you'd like to convert every <br>, <br/> or <br /> to %0D%0A you can do var emailBody = htmlBody.replace(/<br\s*\/?>/mg,"%0D%0A");
– João Pimentel Ferreira
May 29 '17 at 20:54
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How are people managing authentication in Go? [closed]
...iews--and has a Popular Question badge--so I know there is a lot of latent interest in this topic, and many people are asking exactly the same thing and not finding answers on the Interwebs.
Most of the available information results in the textual equivalent of the hand wavy thing, left as an "exer...
Why is '+' not understood by Python sets?
...ntation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects that appear in one set but do not appear in both sets).
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How to Store Historical Data
...some for me. I added an insert/update/delete trigger on my table and then converted the before/after change to json using the "FOR JSON AUTO" feature.
SET @beforeJson = (SELECT * FROM DELETED FOR JSON AUTO)
SET @afterJson = (SELECT * FROM INSERTED FOR JSON AUTO)
That returns a JSON representa...
Python Pandas merge only certain columns
...ed answer: list('xab') takes each element (letter) of the string 'xab' and converts it to a list element so list('xab') returns ['x', 'a', 'b']. That works if each column has a single letter as a name. In your case I think you need to do df1.merge(df2['Unique_External_Users'], *other_arguments). ......
Is 161803398 A 'Special' Number? Inside of Math.Random()
...y 15 '14 at 20:51
Matt Johnson-PintMatt Johnson-Pint
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How to escape a single quote inside awk
... }", Phew! Both quotes have to be escaped, and both backslashes. The shell converts \\ to \ so we need \\\\ to encode \\ .
– Kaz
Jun 9 '15 at 18:19
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When should we implement Serializable interface?
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Implement the Serializable interface when you want to be able to convert an instance of a class into a series of bytes or when you think that a Serializable object might reference an instance of your class.
Serializable classes are useful when you want to persist instances of them or send ...