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What is Serialization?

...storage. Deserialization is the exact opposite - Fetch a stream of bytes from network or persistence storage and convert it back to the Object with the same state. The thing to understand is how those stream of bytes are interpreted or manipulated so that we get the exact same Object/ same state....
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How to add an object to an array

...'e', 'f'] // y = ['d', 'e', 'f'] (remains unchanged) Create a new array from the contents of two arrays var x = ['a', 'b', 'c']; var y = ['d', 'e', 'f']; var z = x.concat(y); // x = ['a', 'b', 'c'] (remains unchanged) // y = ['d', 'e', 'f'] (remains unchanged) // z = ['a', 'b', 'c', 'd', 'e', ...
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git-upload-pack: command not found, when cloning remote Git repo

... Make sure git-upload-pack is on the path from a non-login shell. (On my machine it's in /usr/bin). To see what your path looks like on the remote machine from a non-login shell, try this: ssh you@remotemachine echo \$PATH (That works in Bash, Zsh, and tcsh, and ...
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What does the 'Z' mean in Unix timestamp '120314170138Z'?

... Yes. 'Z' stands for Zulu time, which is also GMT and UTC. From http://en.wikipedia.org/wiki/Coordinated_Universal_Time: The UTC time zone is sometimes denoted by the letter Z—a reference to the equivalent nautical time zone (GMT), which has been denoted by a Z since about ...
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Efficiently test if a port is open on Linux?

From a bash script how can I quickly find out whether a port 445 is open/listening on a server. 14 Answers ...
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Shell command to sum integers, one per line?

...ype equation to bc. paste -s -d+ infile | bc Alternatively, when piping from stdin, <commands> | paste -s -d+ - | bc share | improve this answer | follow ...
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How to hide the “back” button in UINavigationController?

... Also learn from my mistake: you have to call setHidesBackButton: BEFORE you push the navigationItem into the navigationController. – codingFriend1 Nov 16 '12 at 16:26 ...
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GDB missing in OS X v10.9 (Mavericks)

... Hi Mr. Catfish, I got it to work. It just required compiling it from source with the correct ./configure command :) thx! – l'L'l Oct 24 '13 at 6:23 2 ...
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Where is the C auto keyword used?

...enty or less, if you purchase your own USB dongle for on-board diagnostics from eBay). The aforementioned extern auto my_car also requires a diagnostic, and for that reason it is never run through the compiler, other than by city staff tasked with parking enforcement. If you see a lot of extern st...
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iOS difference between isKindOfClass and isMemberOfClass

... instance of the specified class or an instance of any class that inherits from the specified class. isMemberOfClass: returns YES if, and only if, the receiver is an instance of the specified class. Most of the time you want to use isKindOfClass: to ensure that your code also works with subclasses...