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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
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just a side note for those who dont know, we start adding arguments from index 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
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Best way to test for a variable's existence in PHP; isset() is clearly broken
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Ah ha! NOW you're talkin'! How would you do that for, say, class properties?
– chazomaticus
Jan 6 '09 at 21:23
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Programmatically scroll a UIScrollView
... flick. Basically my code works in a way similar to the iPhone photo app. Now, is there a way that I can programmatically do the same thing so that I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll?
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Should I declare Jackson's ObjectMapper as a static field?
... is still thread-safe after ObjectMapper#setDateFormat() is called. It is known that SimpleDateFormat is not thread safe, thus ObjectMapper won't be unless it clones e.g. SerializationConfig before each writeValue() (I doubt). Could you debunk my fear?
– dma_k
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Search for executable files using find command
...ric questions, it is sufficient to use the POSIX-compliant -perm primary (known as a test in GNU find terminology).
-perm allows you to test for any file permissions, not just executability.
Permissions are specified as either octal or symbolic modes. Octal modes are octal numbers (e.g., 111), whe...
How to cherry pick a range of commits and merge into another branch?
...the comments:
This assumes that B is not a root commit; you'll get an "unknown revision" error otherwise.
Note: as of Git 2.9.x/2.10 (Q3 2016), you can cherry-pick a range of commit directly on an orphan branch (empty head): see "How to make existing branch an orphan in git".
Original answer (Jan...
How to encode a URL in Swift [duplicate]
...s better for usability to avoid percent-
encoding those characters.
Nowadays, you'd generally use URLComponents to percent escape the query value:
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
var components = URLComponents(string: "http://maps....
Disable cache for some images
...to prevent caching was:
Cache-Control = 'no-store'
For completeness i'm now using all 3 of 'no-cache, no-store, must-revalidate'
So in my case (serving dynamically generated images out of Flask in Python), I had to do the following to hopefully work in as many browsers as possible...
def make_u...
GoogleTest: How to skip a test?
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You can now use the GTEST_SKIP() macro to conditionally skip a test at runtime. For example:
TEST(Foo, Bar)
{
if (blah)
GTEST_SKIP();
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}
Note that this is a very recent feature so you may need to update your Go...
Display block without 100% width
...rs ago it did not have wide enough support for me to use in production but now it does.
– Xandor
Sep 11 at 21:53
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