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How to Deal with Temporary NSManagedObject instances?
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I used this approach a while ago but started seeing strange behaviour and crashes when I modified those objects and/or created relationships for them before inserting them into an MOC. I talked this through with a Core Data engineer at WWDC and he said that whil...
How to retrieve a user environment variable in CMake (Windows)
...he equivalent in Unix/Linux is adding a line to your .bash_rc: you need to start a new shell to get the values.
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How to reverse a singly linked list using only two pointers?
...ing the current.
nxtNode = curNode->link;
// Insert at start of new list.
curNode->link = first;
first = curNode;
// Advance to next.
curNode = nxtNode;
}
}
// Code to dump the current list.
static void dumpNodes() {
struct node *curN...
PHP and MySQL - how to avoid password in source code? [duplicate]
...d is overall a better solution in my opinion, but the above should get you started in the right direction.
You'll probably want your VCS to ignore the file. On the other hand, you might want a skeleton of the file, or one with reasonable defaults (the latter does not apply to login data, of course)...
How can I change a file's encoding with vim?
...-8" file.ext
# In *nix shell
vim --cmd 'set encoding=utf-8' file.ext
See starting, --cmd.
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Fetch frame count with ffmpeg
...,3g2,mj2, from '/Users/stu/Movies/District9.mov':
Duration: 00:02:32.20, start: 0.000000, bitrate: 9808 kb/s
Stream #0.0(eng): Video: h264, yuv420p, 1920x1056, 29.97tbr, 2997tbn, 5994tbc
Stream #0.1(eng): Audio: aac, 44100 Hz, 2 channels, s16
Stream #0.2(eng): Data: tmcd / 0x64636D74
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
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@Rob: had a mixup since devtools wasnt starting. I got it running, and edited my answer with my tested answer.
– tcooc
Jul 16 '10 at 14:40
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What's wrong with Groovy multi-line String?
...irectly after the inital """ (the \ ensures the multi-line string does not start with a newline).
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Rolling or sliding window iterator?
...ples given:
import itertools as it
def window(iterable, size):
shiftedStarts = [it.islice(iterable, s, None) for s in xrange(size)]
return it.izip(*shiftedStarts)
Basically, we create a series of sliced iterators, each with a starting point one spot further forward. Then, we zip these to...
Dual emission of constructor symbols
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We'll start by declaring that GCC follows the Itanium C++ ABI.
According to the ABI, the mangled name for your Thing::foo() is easily parsed:
_Z | N | 5Thing | 3foo | E | v
prefix | nested | `Thing` | `foo`| end...