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position: fixed doesn't work on iPad and iPhone
I have been struggling with fixed positioning in iPad for a while. I know iScroll and it does not always seem to work (even in their demo). I also know that Sencha has a fix for that, but I couldn't Ctrl + F the source code for that fix.
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Why should hash functions use a prime number modulus?
...or likely cases, since collisions reduce the efficiency of the hashtable.
Now, suppose someone puts a whole bunch of values into a hashtable that have some relationship between the items, like all having the same first character. This is a fairly predictable usage pattern, I'd say, so we don't want...
Using Java 8's Optional with Stream::flatMap
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I don't think the api can change until Java 9 now.
– assylias
Mar 29 '14 at 11:42
5
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Is SHA-1 secure for password storage?
... a bit new, so sticking to SHA-256 or SHA-512 would be a safer route right now. It would make you look professional and cautious, which is good.
Note that "as secure as you can get" is not the same as "perfectly safe". See below for rather lengthy explanations.
About known attacks:
The known atta...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
.... Here's an example:
#if DEBUG
let a = 2
#else
let a = 3
#endif
Now, you must set the "DEBUG" symbol elsewhere, though. Set it in the "Swift Compiler - Custom Flags" section, "Other Swift Flags" line. You add the DEBUG symbol with the -D DEBUG entry.
(Build Settings -> Swift Compiler ...
Checkout one file from Subversion
... it's simpler to use svn export than it is to use the web interface, if I know what file I want. The questioner already uses SVN, so I guess it depends what client and whether that client makes it easy to use svn export. I do find the web interface better for browsing than svn ls, though :-)
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Email validation using jQuery
...n this regex may need modifying .systems and .poker etc are all valid TLDs now but would fail the regex check
– Liath
Sep 5 '14 at 7:35
3
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Are HTTPS URLs encrypted?
...all URLs encrypted when using TLS/SSL (HTTPS) encryption? I would like to know because I want all URL data to be hidden when using TLS/SSL (HTTPS).
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...will wait until dest is ready before executing. This false dependency is (now) documented by Intel as erratum HSD146 (Haswell) and SKL029 (Skylake)
Skylake fixed this for lzcnt and tzcnt.
Cannon Lake (and Ice Lake) fixed this for popcnt.
bsf/bsr have a true output dependency: output unmodified for...
“Least Astonishment” and the Mutable Default Argument
...thon.
I found it very clear, and I really suggest reading it for a better knowledge of how function objects work.
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