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Cocoa Core Data efficient way to count entities
... to fetch the count of the objects.
static func fetchCountFor(entityName: String, predicate: NSPredicate, onMoc moc: NSManagedObjectContext) -> Int {
var count: Int = 0
moc.performAndWait {
let fetchRequest: NSFetchRequest<NSFetchRequestResult> = NSFetchRequest(entityNam...
Convert Python program to C/C++ code? [closed]
...ou’re
using a map), and turn this into parallel code without requiring extra
effort from you. You can also specify parallel sections using pragma omp > directives; in this respect, it feels very similar to Cython’s
OpenMP support.
Behind the scenes, Pythran will take bot...
Why are Docker container images so large?
...in the Dockerfile writes a new layer in the image and every layer requires extra space on disk. In order to keep the number layers to a minimum, any file manipulation like install, moving, extracting, removing, etc, should ideally be made under a single RUN instruction
FROM fedora:latest
RUN yum -y...
Get next / previous element using JavaScript?
... var next = divs[i + 1];
}
}
Please be aware though as I say that extra logic would be required to check that you are within the bounds i.e. you are not at the end or start of the collection.
This also will mean that say you have a div which has a child div nested. The next div would not ...
Convert Python dictionary to JSON array
... means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTem...
iPhone SDK: what is the difference between loadView and viewDidLoad?
...TableViewController etc, though. However! Any post-load setup (e.g. adding extra subviews) should be done in viewDidLoad.
– Ivan Vučica
Mar 10 '11 at 19:44
...
How to break nested loops in JavaScript? [duplicate]
... loops to separate functions, it will run marginally slower because of the extra function calls.
– Tim Down
Oct 14 '09 at 10:39
|
show 2 mor...
How do I remove the old history from a git repository?
...ow this is almost the same aswer as @yoyodin, but there are some important extra commands and informations here. I tried to edit the answer, but since it is a substantial change to @yoyodin's answer, my edit was rejected, so here's the information!
...
How do I perform HTML decoding/encoding using Python/Django?
I have a string that is HTML encoded:
15 Answers
15
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JavaScript implementation of Gzip [closed]
...
Edit There appears to be a better LZW solution that handles Unicode strings correctly at http://pieroxy.net/blog/pages/lz-string/index.html (Thanks to pieroxy in the comments).
I don't know of any gzip implementations, but the jsolait library (the site seems to have gone away) has function...