The static library is a collection of one or more object files, with an index to allow rapid searching. There are some minor differences in how the compiler deals with them. With an object file you link like this: gcc f1.o f2.o -o myexe with libraries you can also do that: gcc f1.o libf2.a -o … Read more
Recovery is possible but it depends on what caused the corruption. If the file is just truncated, getting some partial result out is not too hard; just run gunzip < SMS.tar.gz > SMS.tar.partial which will give some output despite the error at the end. If the compressed file has large missing blocks, it’s basically hopeless … Read more
Running is for running your app (on the Mac for Mac OS X, in the simulator or on the device for iOS). Profiling is for running your app with Instruments (for finding memory leaks, bottlenecks etc.). Testing is for running unit tests. Archiving is building a distributable package of you app (incl. Ad-hoc iPhone distributions … Read more
There is no difference really. An exploded archive is a tree of folder and files that respects a given structure which your application server can exploit to deploy the application. For a web application for instance, you create a war directory structure. The application server expects a WEB-INF directory containing the web.xml files which acts … Read more
The SingleFile chrome extension is a good solution, there also is SingleFile for Firefox (open source on Github. I have also written my own python tool to solve this problem which I would recommend giving a try.
To have a truly idempotent tar, mtime is a good step but not enough. You also need to set the sort order, the owner and group (together with their mapping) and a proper timezone for mtime (since otherwise you’re gonna have issues as well between Mac and Linux). I ended up with tar –sort=name –owner=root:0 … Read more
My favourite is the ZIP format. Because: It is very well sutied for the purpose It is well documented There a a lot of implementations available for creating or reading them A user can easily extract single files, change them and put them back in the archive Almost every major Operating System (Windows, Mac and … Read more