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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...the instruction only writes to it, the instruction 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 h...
How do I convert an NSString value to NSData?
...ated string which is what stringWithUTF8String: requires, you're bounds to read memory you don't want. What converts it back is: -initWithData:encoding:.
– Psycho
May 5 '14 at 17:38
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In Python, how do I convert all of the items in a list to floats?
I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers...
How to parse date string to Date? [duplicate]
...would also reconsider if you wouldn't rather like to use HH instead of kk. Read the javadoc for details about valid patterns.
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Failed to load JavaHL Library
... Weird, on a hunch I just checked preferences and SVNKit was already there. This only happened on rare occasion (I'm not working in an SVN-backed project at the moment) so can't say that it worked. I really hope it does. When this does happen it locks up Eclipse until the search (?) f...
How do I turn a python datetime into a string, with readable format date?
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Using format() instead of strftime() in most cases can make the code more readable, easier to write and consistent with the way formatted output is generated...
>>>"{} today's date is: {:%B %d, %Y}".format("Andre", datetime.now())
Compare the above with the following strftime() alternat...
tooltips for Button
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The issue that I am reading though highlights that the title attribute is not fully supported by many mobile browsers. I'm currently researching this as well for some ADA issues and it seems to be only somewhat supported.
–...
How can I use “.” as the delimiter with String.split() in java [duplicate]
What I am trying to do is read a .java file, and pick out all of the identifiers and store them in a list. My problem is with the .split() method. If you run this code the way it is, you will get ArrayOutOfBounds, but if you change the delimiter from "." to anything else, the code works. But I ne...
month name to month number and vice versa in python
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Fixed it. I should have read the documentation more carefully, I missed that calendar.month_abbr was an array instead of a dictionary.
– David Z
Aug 5 '10 at 19:14
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JSLint says “missing radix parameter”
...se to clear why we should specify the radix.
On MDN documentation we can read that:
If radix is undefined or 0 (or absent), JavaScript assumes the following:
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If the input string begins with "0", radix is eight (octal) or 10 (decimal). Exactly which radix is chosen is implementation-depen...