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How to sort an array of objects by multiple fields?
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This has the right idea, but the logic is all wrong. You can't subtract a non-numeric string from another string, and the if statement makes no sense.
– JLRishe
Nov 9 '17 at 17:25
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Loading/Downloading image from URL on Swift
...I want when user press on cancel button it stops downloading. Have you any idea how i can do this with using this method? I've need to add cancel functionality.
– ZAFAR007
Jul 19 '16 at 5:59
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How can I convert NSDictionary to NSData and vice versa?
... error:&error];
The latest returns id, so its a good idea to check the returned object type after you cast (here i casted to NSDictionary).
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Sync data between Android App and webserver [closed]
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Your idea is brilliant but still can't understand table design properly. Along with rest services and proper synchronization service it works
– Ahesanali Suthar
Jan 1 '17 at 13:58
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Best implementation for hashCode method for a collection
...uted hash code cannot be always unique :) Is a hashcode. However I got the idea: the prime number has only one multiplier, while non-prime has at least two. That creates an extra combination for multiplication operator to result the same hash, i.e. cause collision.
– dma_k
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How to wait in bash for several subprocesses to finish and return exit code !=0 when any subprocess
...tart (or delete it). Depending on the application, it might also be a good idea to add '2>&1' before the || to catch STDERR in fail as well.
– drevicko
Jun 27 '18 at 9:10
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What is copy-on-write?
... is an optimization strategy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, you can give them pointers to the same resource. This function can be maintained until a caller tries to modify its "copy" of the resou...
Facebook Open Graph not clearing cache
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Any ideas about how to scratch the cache when changing the url of og:video ????? I did a small edit to my video and changed the url, and facebook keeps showing the old version! I obviously did the scratch in debug (an it shows co...
How do I convert a String to an InputStream in Java?
... Using a method which doesn't specify encoding is a terrible idea...
– b1nary.atr0phy
Jun 5 '13 at 2:01
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jQuery UI slider Touch & Drag/Drop support on Mobile devices
...it but when we release the touch from it then it slides at that point. any idea why this happens? do you have any solution for this?
– Rahul J. Rane
Apr 13 at 11:13
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