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Detect Retina Display
Does iOS SDK provides an easy way to check if the currentDevice has an high-resolution display (retina) ?
14 Answers
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From io.Reader to string in Go
I have an io.ReadCloser object (from an http.Response object).
7 Answers
7
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In C#, What is a monad?
... but for a programmer it means we can program in the EDSL while mixing it with the pure calculations of our pure language. a stack of multilayered sandwiches is a multilayered sandwich. it is that simple.
– Will Ness
Mar 31 '18 at 19:44
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Mismatch Detected for 'RuntimeLibrary'
.../ML, /MT, /LD (Use Run-Time Library) on MSDN
Build errors with VC11 Beta - mixing MTd libs with MDd exes fail to link on Bugzilla@Mozilla
UPDATE: (This is in response to a comment that asks for the reason that this much care must be taken.)
If two pieces of code that we are linking together are t...
ipad safari: disable scrolling, and bounce effect?
...s answer is no longer applicable, unless you are developing for a very old iOS device... Please see other solutions
2011 answer: For a web/html app running inside iOS Safari you want something like
document.ontouchmove = function(event){
event.preventDefault();
}
For iOS 5 you may want to ...
Any reason to prefer getClass() over instanceof when generating .equals()?
... check for type match in an implementation of equals() . A class can allow mixed-type comparison between super- and subclass objects by means of the instanceof operator, or a class can treat objects of different type as non-equal by means of the getClass() test. The examples above illustrated nicely...
Are PostgreSQL column names case-sensitive?
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The column names which are mixed case or uppercase have to be double quoted in PostgresQL. So best convention will be to follow all small case with underscore.
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
...he characters in Java memory before (probably, depending on the implementation) dropping to C to do the writing to the file.
There is no such concept as a "PrintReader"; the closest you will get is probably java.util.Scanner.
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Using str_replace so that it only acts on the first match?
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Why not genericize this like: str_replace_flexible(mixed $s, mixed $r, int $offset, int $limit) where the function replaces $limit occurrences starting at the $offset (nth) match.
– Adam Friedman
May 23 '14 at 19:09
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Load RSA public key from file
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Below is the relevant information from the link which Zaki provided.
Generate a 2048-bit RSA private key
$ openssl genrsa -out private_key.pem 2048
Convert private Key to PKCS#8 format (so Java can read it)
$ openssl pkcs8 -topk8 -inf...