... A UUID created by CFUUIDCreate is unique if a user uninstalls and re-installs the app: you will get a new one each time. But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-installs the app. This requires a bit of effort, since the...

...d with SSH. if you ever used Telnet, it's like that (but more secure): it allows you to remotely access the bash shell (command line) of a Linux host. PuTTY PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocol...

... According to http://api.jquery.com/jQuery.ajax/ the fail callback should be getting: jqXHR, textStatus, errorThrown same as error, but error is deprecated: Deprecation Notice: The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery 1.8...

...le1 file2 Note that if file2 contains duplicate lines that don't exist at all in file1, fgrep will output each of the duplicate lines. Also note that my totally non-scientific tests on a single laptop for a single (fairly large) dataset showed Solution 1 (using comm) to be almost 5 times faster tha...

... For reference: the Rails documentation on the subject. There's a section called “Many-to-many”, and of course the documentation on the class methods themselves. Simplest scenario, uni-directional, no additional fields This is the most compact in code. I'll start out with this basic schema fo...

...sents the type of the variable and the second occurrence after the = sign calls the constructor (initializes the variable). – ComFreek Jun 6 '14 at 8:42 ...

... I generally prefer this too, but there is one gotcha. Might just be my current version of Xcode, but the [NSException raise...] syntax doesn't seem to be recognized by the parser as an exit path from a method which returns a value...

... In addition to the above I personally recommend onKeyUp(): Programatically Speaking keydown will fire when the user depresses a key initially but It will repeat while the user keeps the key depressed.* This remains true for all development platforms. G...

... window (if any, else it will create a new window). These Services work in all applications, not just Finder, and they operate on folders as well as absolute pathnames selected in text. You can even assign command keys to them. Services appear in the Services submenu of each application menu, and ...

... I'm still a bit lost in all those prototype things. Why in your example you assign name to this.name and not to NotImplementedError.prototype.name? Can you answer please, it's crucial for my understanding :) – jayarjo ...