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Best way to serialize an NSData into a hexadeximal string
...e Gallagher's answer is sufficient for a relatively small size, memory and cpu performance deteriorate for large amounts of data. I profiled this with a 2MB file on my iPhone 5. Time comparison was 0.05 vs 12 seconds. Memory footprint is negligible with this method while the other method grew the he...
Do while loop in SQL Server 2008
... live in an age where our database servers have anywhere between 10 and 20 CPU cores idle at any given moment, and where our storage controllers have their available bandwidth measured in Gigabits, so I'm not sure this conventional "wisdom" that "LOOP = BAD" still applies.
– Ge...
How to increase heap size of an android application?
... Not directly, for your app. Having more stuff may cause you to spend more CPU time going through that stuff, but the details there would depend on what you are doing with the memory and is not directly tied to having requested android:largeHeap. However, requesting a large heap may harm the user ex...
Utilizing multi core for tar+gzip/bzip compression/decompression
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There is effectively no CPU time spent tarring, so it wouldn't help much. The tar format is just a copy of the input file with header blocks in between files.
– Mark Adler
Apr 23 '15 at 5:23
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ViewPager with Google Maps API v2: mysterious black view
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Here's what I'm using to bypass the issue - Ensures you don't waste any CPU cycles on devices >= 4.1
public class FixMapFragment extends SupportMapFragment {
@Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
...
How can I produce an effect similar to the iOS 7 blur view?
...6 toolchain with iOS8, and it works great. I tried to implement using the CPU, but works noticeably slower than this method.
– Jon
Mar 9 '15 at 22:55
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MongoDB: Is it possible to make a case-insensitive query?
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Even with small datasets, it's not very efficient. You take a far bigger cpu hit than your query warrants, which could become an issue if you are trying to achieve scale.
As an alternative, you can store an uppercase copy and search against that. For instance, I have a User table that has a user...
Reading Excel files from C#
...t 64-bit compatible; you will need to switch to target x86 rather than Any CPU (if you still want to go ahead with this method). Alternatively install the 64-bit ACE driver and change the conn string to use this driver (as indicated by Andreas) - microsoft.com/en-us/download/…
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Return a `struct` from a function in C
...that take place flinging structures around by value can be a real waste of CPU cycles, not to mention memory bandwidth.
– Carl Norum
Mar 11 '12 at 7:15
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How to clear APC cache entries?
... @Julien I guess it may increase server load if you are storing cpu intensive results or something. I wouldn't do it on a peak hour.
– ChocoDeveloper
Feb 4 '13 at 10:40
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