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How to declare Return Types for Functions in TypeScript
...infered to be string
}
}
var x = 0; // type infered to be number
// now if you try to do this, you will get an error for incompatable types
x = new Greeter().greet();
Similarly, this sample will cause an error as the compiler, given the information, has no way to decide the type, and this ...
Heroku deployment error H10 (App crashed)
...start
helped me get my dyno running again. I'm new to Heroku but glad I know now.
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...this experiment and SQLC_CALC_FOUND_ROWS was much faster than two queries. Now my main table is only 65k and two joins of a few hundreds, but the main query takes 0.18 seconds with or without SQLC_CALC_FOUND_ROWS but when I ran a second query with COUNT(id) it took 0.25 alone.
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What does this symbol mean in JavaScript?
This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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Displaying better error message than “No JSON object could be decoded”
...ew error message format. I don’t have time to track exact releases right now however.
– Martijn Pieters♦
Mar 14 at 0:29
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PHP function to generate v4 UUID
...es a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a valid v4 UUID up until one area. A v4 UUID should be in the form of:
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How to get the date from jQuery UI datepicker
...mething like this Mon Aug 24 2020 00:00:00 GMT+0530 (India Standard Time) now we can apply the getDate, getMonth, getFullYear method on jsDate.
– Laveena
Aug 24 at 8:20
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Multiple levels of 'collection.defaultdict' in Python
... DeepDict instance itself a valid factory for constructing missing values. Now we can do things like
dd = DeepDict(DeepDict(list))
dd[1][2].extend([3,4])
sum(dd[1][2]) # 7
ddd = DeepDict(DeepDict(DeepDict(list)))
ddd[1][2][3].extend([4,5])
sum(ddd[1][2][3]) # 9
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Add .gitignore to gitignore
...n my particular case I have a symlink that contains a .gitignore file, and now when I want to commit, git tries to include that .gitignore file. This seems like a perfect use-case IMO.
– xorinzor
Aug 9 at 14:12
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Method names for getting data [closed]
... developer used add for both writes to a database and writes to the Store. Now I'm trying to separate those out, and it is a pain.
– tim.rohrer
May 3 '19 at 13:38
add a commen...