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as seen on Stack Overflow
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I overused hashSets but it was slow, then changed to Stacks, speed boost-up. Poly's reply uses Collections.emptyList() as immutable list, cutting out excess null-checkers. No Collections.emptyStack(). Combining the words stack and immutability, from the last experiences, gets "immutable stack" (probably…
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as seen on Super User
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My iTunes 9.0.2 hangs on launch in OS X 10.6.2. This doesn't happen all the time, only if I've been running for a while. Then it will recur until I restart. Similarly Safari 4.0.4 will hang in the flash player plugin when about to play a video. If I restart both these problems go away until later…
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as seen on Stack Overflow
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I need to write a function par :: String -> Bool to verify if a given string with parentheses is matching using stack module.
Ex:
par "(((()[()])))" = True
par "((]())" = False
Here's my stack module implementation:
module Stack (Stack,
push, pop, top,
empty, isEmpty)
…
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as seen on Server Fault
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Hey All,
I'm trying to get a TDM400P card with FXO module to connect to our PSTN line. The card is correctly detected by Linux:
[trixbox1.localdomain asterisk]# lspci
00:09.0 Communication controller:
Tiger Jet Network Inc. Tiger3XX
Modem/ISDN interface
I've run setup-pstn which…
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as seen on Stack Overflow
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In pthread, After reaching yellow zone in stack, signal handler stop the recursive function by making it return
however, we can only continue to use extra area in yellow zone,
how to clear the rubbish before the yellow zone in the thread stack ?
(Copied from "answers"):
#include <pthread…
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as seen on Oracle Blogs
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????T.askmaclean.com???Shared Pool?SubPool?????,????????_kghdsidx_count ? subpool ??subpool????( ???duration)???:
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL…
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as seen on Stack Overflow
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Hello everybody:
I tried to implement a "pairing heap" with all the regular operations (merge, delete-min etc.), then I've been requested to write a function that would sort a list using my newly constructed heap implementation. Unfortunately it seems that someting goes wrong...
Here's the relevant…
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as seen on Server Fault
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After a few reading about jvm memory (here, here, here, others I forgot...), I am expecting the resident set size of my java process to be roughly equal to the current heap space capacity. That's not what the numbers are saying, it seems to be roughly equal to the max heap space capacity:
Resident…
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as seen on Stack Overflow
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In .NET (and Java as far as I know), the area where objects are dynamically allocated is referred to as the managed heap. However, most documentation that describes how the managed heap works depicts it as a linear data structure, such as a linked list or stack.
So, is the managed heap actually…
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as seen on Stack Overflow
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We have production system going into infinite loop of full gc and memory drops form 8 gigs to like 1 MB in just 2 minutes.
After taking heap dump it tells me there an is an array of java.lang.Object ([Ljava.lang.Object) with millions of java.lang.String objects having same String taking 99% of heap…
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