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Calculate the median of a billion numbers
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1) Select 1000 values at random from the billion, and use them to get an idea of the distribution of the numbers, especially a range.
2) Instead of sorting the values, allocate them to buckets based on the distribution you just calculated. The number of buckets is chosen so that the computer can...
What are the differences between virtual memory and physical memory?
...ou can imagine, bad things will happen.
So clearly, as you can see, this idea is rather naive.
Possible solution 2: Let's try another scheme - where OS will do majority of the memory management. Softwares, whenever they require any memory, will just request the OS, and the OS will accommodate ...
How can one check to see if a remote file exists using PHP?
...u might not see much improvement.
Caching the result locally seems a good idea if it turns out to be too slow.
HEAD checks the time of the file, and returns it in the headers. You can do like browsers and get the CURLINFO_FILETIME of the icon.
In your cache you can store the URL => [ favicon, t...
What is a bus error?
...ligned. Will I still get the error now? Also, please explain, is it a bad idea to a data type conversion for pointers. Will it cause mis-alignment errors on a fragile architecture. Please elaborate, It will help me.
– dexterous
Oct 1 '13 at 12:49
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Measuring elapsed time with the Time module
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time.time() is a bad idea because the system clock can be reset which will make you go back in time. time.monotonic() takes care of this (monotonic = it only goes forward). time.perf_counter() is also monotonic but has even higher accuracy, so th...
Can I use require(“path”).join to safely concatenate urls?
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Good idea, but what if the first argument already have a slash at the end? eg.: ["posts/", "2013"].join("/")?
– Renato Gama
Apr 30 '13 at 13:57
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Why is subtracting these two times (in 1927) giving a strange result?
...itself has some data going back earlier than that, and doesn't rely on any idea of a "fixed" standard time (which is what getRawOffset assumes to be a valid concept) so other libraries needn't introduce this artificial transition.
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Can't connect to local MySQL server through socket homebrew
...orkaround to install an older version of MySQL? Other than that I'm out of ideas unfortunately.
– Liron Yahdav
Nov 6 '17 at 1:52
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Change Twitter Bootstrap Tooltip content on click
... Couldn't find documentation on 'fixTitle', so I guess not a good idea to use this!? ...
– user2846569
Feb 23 '15 at 14:58
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Open a link in browser with java button? [duplicate]
...tions, the ProcessBuilder call would not work. But it does work. I have no idea why desktop.browse(uri) doesn't work, but I have seen that it doesn't work for a lot of people. I was guessing maybe it's a Netbeans issue, but I don't know.
– MountainX
Feb 19 '14 ...