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Haskell: Converting Int to String
...an Int, use:
module Lib
( someFunc
) where
someFunc :: IO ()
x = 123
someFunc = putStrLn (show x)
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How to change the type of a field?
...now how you'd convert a string (think currency like '1.23') to the integer 123? I assume you'd have to parse it as a float or decimal, multiply it by 100, then save it as an integer, but I can't find the right docs to do this. Thanks!
– Brian Armstrong
Feb 23...
Calling a parent window function from an iframe
... a specific target discloses the data you send to any interested malicious site (comment by ZalemCitizen).
References:
Cross-document messaging
Window.postMessage()
Can I Use
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Test if string is a number in Ruby on Rails
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\Z allows to have \n at the end of the string, so "123\n" will pass validation, regardless that it's not fully numeric. But if you use \z then it will be more correct regexp: /\A\d+\z/
– SunnyMagadan
Aug 14 '17 at 9:14
...
Basic HTTP authentication with Node and Express 4
...xpress-basic-auth');
app.use(basicAuth({
users: { admin: 'supersecret123' },
challenge: true // <--- needed to actually show the login dialog!
}));
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Best way to store time (hh:mm) in a database
...
Another fun problem is if you are relying on the time component, it will not account for the Daylight savings adjustments when used at different times of the year.
– Chris Seufert
Nov 23 '17 at ...
Get an object properties list in Objective-C
...}
free(properties);
}
This required me to make a 'getPropertyType' C function, which is mainly taken from an Apple code sample (can't remember right now the exact source):
static const char *getPropertyType(objc_property_t property) {
const char *attributes = property_getAttributes(proper...
Can an Option in a Select tag carry multiple values?
...
one option is to put multi value with comma seperated
like
value ="123,1234"
and in the server side separate them
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How do you make sure email you send programmatically is not automatically marked as spam?
...e belong together, and to prevent spoofing of your domain name. The SPF website includes a wizard to generate the DNS information for your site.
Check your reverse DNS to make sure the IP address of your mail server points to the domain name that you use for sending mail.
Make sure that the IP-add...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
...╰ 0x00007fc09d1ece8e: jl 0x00007fc09d1ece60 ;*if_icmpge
Have fun storming the castle!
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