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Xcode 4, Core Data Model Version - Set Current Version
...s visible (if not click on the third "View" button at the top right of the window).
In the Utilities sidepane select the File inspector (little paper icon on the top left)
You will see "Versioned Core Data Model" as a group so just change the "Current" drop-down to your new version.
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How to generate Javadoc HTML files in Eclipse?
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To quickly add a Javadoc use following shortcut:
Windows: alt + shift + J
Mac: ⌘ + Alt + J
Depending on selected context, a Javadoc will be printed. To create Javadoc written by OP, select corresponding method and hit the shotcut keys.
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What are the differences between virtual memory and physical memory?
...bes is likely not the same as the one that appears in real OSes like Linux/Windows - there are probably subtle differences.
I could blab a thousand paragraphs about paging... but I think that is better left to a different question targeting specifically that topic.
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How to create GUID / UUID?
...h they are signed). Finally it would be a very good idea these days to use window.crypto.getRandomValues if available, and fall-back to Math.random only if absolutely necessary. Math.random may well have less than 128 bits of entropy, in which case this would be more vulnerable to collisions than ne...
SOAP or REST for Web Services? [closed]
... REST; you've hardcoded to a resource tree. It's the same as coding to c:\windows\temp or whatever, as opposed to querying for the PROPER location to use. Because it works for a while, doesn't make it the right thing to do, nor is it good coding practice.
– Paul Sonier
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Why does my application spend 24% of its life doing a null check?
... that is a bus lock. Bus locks are called critical sections if you use the Windows NT functionality. If you use a home-grown variety you might call it a spinlock. Whatever the name it synchronizes down to the slowest bus-mastering device in the system before the lock is in place. The slowest bus-mas...
unix domain socket VS named pipes?
...r in one long stream, so many writes can be read at once, or vice versa. (Windows has datagram pipes, according to jtoberon's answer Unix doesn't)
– Ben Voigt
Feb 28 '12 at 4:14
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Solving “Who owns the Zebra” programmatically?
.../Mac/BSD):
$ bzip2 -cd python-constraint-1.2.tar.bz2 | tar xvf -
extract (Windows, with 7zip):
> 7z e python-constraint-1.2.tar.bz2
> 7z e python-constraint-1.2.tar
install:
$ cd python-constraint-1.2
$ python setup.py install
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u'\ufeff' in Python string
... It is not required for UTF-8, but serves only as a signature (usually on Windows).
Output:
utf-8 'ABC'
utf-8-sig '\xef\xbb\xbfABC'
utf-16 '\xff\xfeA\x00B\x00C\x00' # Adds BOM and encodes using native processor endian-ness.
utf-16le 'A\x00B\x00C\x00'
utf-16be '\x00A\x00B\x00C'
utf-8 ...
Center a position:fixed element
...o horizontally center a fixed positioned image which width is greater than window width and working fine atleast in current Firefox, Chrome, IE 11 and Edge versions.
– jelhan
Jun 2 '16 at 10:17
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