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Running multiple AsyncTasks at the same time — not possible?

I'm trying to run two AsyncTasks at the same time. (Platform is Android 1.5, HTC Hero.) However, only the first gets executed. Here's a simple snippet to describe my problem: ...
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Heap vs Binary Search Tree (BST)

... worst n log(n) n Delete worst log(n) log(n) All average times on this table are the same as their worst times except for Insert. *: everywhere in this answer, BST == Balanced BST, since unbalanced sucks asymptotically **: using a trivial modification explained in this answer ***...
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Why were pandas merges in python faster than data.table merges in R in 2012?

...unique strings (levels) is large: 10,000. Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (the algorithm), but a preliminary step. Recent efforts have gone into allowing character columns in keys, which should ...
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Scroll to a div using jquery

... It doesn't scroll at first click. :/ I click it second time and it works. – Burak Karakuş Sep 26 '14 at 14:24 ...
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What are the effects of exceptions on performance in Java?

...ll registers of the CPU are written to the stack (which already takes some time) and possibly some other data needs to be created... all this already happens in the try statement. The throw statement needs to unwind the stack and restore the values of all registers (and possible other values in the ...
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How to make the window full screen with Javascript (stretching all over the screen)

... This happened last time a site used code like that and I didn't block it: dorward.me.uk/tmp/fullscreen.jpeg – Quentin Apr 8 '10 at 14:39 ...
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Powershell v3 Invoke-WebRequest HTTPS error

...allback functionality), and doesn't attempt to load the same code multiple times within the same powershell session: if (-not ([System.Management.Automation.PSTypeName]'ServerCertificateValidationCallback').Type) { $certCallback=@" using System; using System.Net; using System.Net.Securi...
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CSS: Animation vs. Transition

...th are very modern. My rule of thumb is if I use the same transition three times, it should probably be an animation. This is easier to maintain and alter in the future. But if you are only using it once, it is more typing to make the animation and maybe not worth it. ...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

...ary. You'll likely get cache misses that could have been avoided the first time you call the function, and it will pollute the cache more than necessary, so after the call, other code might encounter more misses than necessary. LUT's often aren't worth the trouble because cache misses are expensive....
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ElasticSearch: Unassigned Shards, how to fix?

... Thanks a ton! It saved precious time!! – Sathish May 17 '18 at 8:42 The scr...