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Detect if device is iOS
...d here.
Note: Both navigator.userAgent and navigator.platform can be faked by the user or a browser extension.
Browser extensions to change userAgent or platform exist because websites use too heavy-handed detection and often disable some features even if the user's browser would otherwise be able t...
Upgrade Node.js to the latest version on Mac OS
...ture despite its age.
Upgrading via NPM
You can use the method described by @Mathias above or choose the following simpler method via the terminal.
sudo npm cache clean -f
sudo npm install -g n
sudo n stable
After which you may opt to confirm the upgrade
node -v
Your nodejs should have upgr...
How does a public key verify a signature?
...With a digital signature, you are trying to prove that the document signed by you came from you. To do that, you need to use something that only YOU have: your private key.
A digital signature in its simplest description is a hash (SHA1, MD5, etc.) of the data (file, message, etc.) that is subseq...
Differences between cookies and sessions?
...curity risk). You are probably using this approach without knowing it, and by deleting the cookies you effectively erase their matching sessions as you remove the unique session identifier contained in the cookies.
share
...
Is int[] a reference type or a value type?
...What makes System.Array a reference type is that it's instances are copied by reference. IOW, concentrate on the fact that System.Array is a class. That is what makes it a reference type.
– P.Brian.Mackey
Feb 18 '13 at 20:38
...
How to print time in format: 2009‐08‐10 18:17:54.811
...nswer is definitely wrong in at least one case (Linux) as "struct tm" used by localtime() doesn't hold any time information below the seconds. Instead "struct timeval" used by gettimeofday() has microseconds which, divided by 1000 will yield the milliseconds. All those upvotes are really wrong and m...
file_get_contents(“php://input”) or $HTTP_RAW_POST_DATA, which one is better to get the body of JSON
...es. Moreover, for those cases
where $HTTP_RAW_POST_DATA is not populated by default, it is a
potentially less memory intensive alternative to activating
always_populate_raw_post_data.
Source: http://php.net/manual/en/wrappers.php.php.
...
How to use shell commands in Makefile
... and quoted:
all:
FILES="$(shell ls)"
However, each line is run by a separate shell, so this variable will not survive to the next line, so you must then use it immediately:
FILES="$(shell ls)"; echo $$FILES
This is all a bit silly since the shell will expand * (and other shell...
Using “super” in C++
...ions in Design and Evolution of C++ that super as a keyword was considered by the ISO C++ Standards committee the first time C++ was standardized.
Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged am...
Linux: compute a single hash for a given folder & contents?
...he arguments to stat will cause it to print the name of the file, followed by its octal permissions. The two finds will run one after the other, causing double the amount of disk IO, the first finding all file names and checksumming the contents, the second finding all file and directory names, prin...