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dispatch_after - GCD in Swift?
... with this answer, I had already compensated for its loss by writing a GCD-based cancelable timer (using a dispatch_source_t, because that's something you can cancel).
– matt
Dec 1 '15 at 16:43
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Floating point vs integer calculations on modern hardware
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@JohannesSchaub-litb: SSE2 (baseline for x86-64) has packed double-precision FP. With only two 64-bit doubles per register, the potential speedup is smaller than float for code that vectorizes well. Scalar float and double use XMM registers on x86-64,...
Returning the product of a list
...case it returns a result of type numpy.int64 while Ian Clelland's solution based on operator.mul and reduce works for large integer results because it returns long.
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Browsing Folders in MSYS
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Unique random string generation
... something looking like your example, you probably want to convert it to a Base64 string:
Guid g = Guid.NewGuid();
string GuidString = Convert.ToBase64String(g.ToByteArray());
GuidString = GuidString.Replace("=","");
GuidString = GuidString.Replace("+","");
I get rid of "=" and "+...
How can bcrypt have built-in salts?
...tch.
Bcrypt operates in a very similar manner to more traditional schemes based on algorithms like PBKDF2. The main difference is its use of a derived key to encrypt known plain text; other schemes (reasonably) assume the key derivation function is irreversible, and store the derived key directly.
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How to convert An NSInteger to an int?
...r is nothing more than a 32/64 bit int. (it will use the appropriate size based on what OS/platform you're running)
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How does Hadoop process records split across block boundaries?
...inSize is mapred.min.split.size.
Divide the file into different FileSplits based on the split size calculated above. What's important here is that each FileSplit is initialized with a start parameter corresponding to the offset in the input file. There is still no handling of the lines at that point...
How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
...you tried this alternative?
li{
list-style-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAYAAACp8Z5+AAAAE0lEQVQIW2NkYGD4D8RwwEi6AACaVAQBULo4sgAAAABJRU5ErkJggg==");
}
sounds hard, but you can make your own png image/pattern here, then copy/paste your code and customize you...
Generating Guids in Ruby
...gest("some-random-string")[8..16]
=> "2ebe5597f"
>> SecureRandom.base64(8).gsub("/","_").gsub(/=+$/,"")
=> "AEWQyovNFo0"
>> rand(36**8).to_s(36)
=> "uur0cj2h"
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