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How can one see the structure of a table in SQLite? [duplicate]
...m_todo_index ON alarms(todo);
Note also that SQLite saves the schema and all information about tables in the database itself, in a magic table named sqlite_master, and it's also possible to execute normal SQL queries against that table. For example, the documentation link above shows how to derive...
How to put a new line into a wpf TextBlock control?
...t;/data>
If that does not work you might need to parse the string manually.
If you need direct XAML that's easy by the way:
<TextBlock>
Lorem <LineBreak/>
Ipsum
</TextBlock>
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Group by in LINQ
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Absolutely - you basically want:
var results = from p in persons
group p.car by p.PersonId into g
select new { PersonId = g.Key, Cars = g.ToList() };
Or as a non-query expression:
var results = persons.GroupBy(
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How do I skip an iteration of a `foreach` loop?
... nom. You don't need to break/continue
// since all the fruits that reach this point are
// in available baskets and tasty.
}
}
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impro...
How can I format a nullable DateTime with ToString()?
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You guys are over engineering this all and making it way more complicated than it really is. Important thing, stop using ToString and start using string formatting like string.Format or methods that support string formatting like Console.WriteLine. Here is the...
Test if number is odd or even
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While all of the answers are good and correct, simple solution in one line is:
$check = 9;
either:
echo ($check & 1 ? 'Odd' : 'Even');
or:
echo ($check % 2 ? 'Odd' : 'Even');
works very well.
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Actual examples for HATEOAS (REST-architecture) [closed]
...of fake/rudimentary REST-APIs in the wild (which implement a HTTP-API and call it REST without following the hypertext-as-the-engine-of-application-state requirement, which led to the famous rant of Roy T. Fielding , the man who first specified the REST-paradigm).
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How do you test a public/private DSA keypair?
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This solution seems to work for all types of SSH-keys. I even managed to recover a misplaced public key with this approach.
– Jari Turkia
Jun 13 '18 at 6:37
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Detecting design mode from a Control's constructor
...ses field, but (i think) static classes fields initialized when you first called them, so not a safe solution..
– Ibrahim Ozdemir
Feb 19 '17 at 15:25
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How to convert an NSString into an NSNumber
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Use an NSNumberFormatter:
NSNumberFormatter *f = [[NSNumberFormatter alloc] init];
f.numberStyle = NSNumberFormatterDecimalStyle;
NSNumber *myNumber = [f numberFromString:@"42"];
If the string is not a valid number, then myNumber will be nil. If it is a valid number, then you now have all of...