大约有 46,000 项符合查询结果（耗时：0.0647秒） [XML]
Explicitly calling return in a function or not
...turn. The following plot is created from data selected this way:
bench_nor2 <- function(x,repeats) { system.time(rep(
# without explicit return
(function(x) vector(length=x,mode="numeric"))(x)
,repeats)) }
bench_ret2 <- function(x,repeats) { system.time(rep(
# with explicit return
(function(...
byte[] to hex string [duplicate]
...
There is a built in method for this:
byte[] data = { 1, 2, 4, 8, 16, 32 };
string hex = BitConverter.ToString(data);
Result: 01-02-04-08-10-20
If you want it without the dashes, just remove them:
string hex = BitConverter.ToString(data).Replace("-", string.Empty);
Result: 0...
Random float number generation
...
This will generate a number from 0.0 to some arbitrary float, X:
float r2 = static_cast <float> (rand()) / (static_cast <float> (RAND_MAX/X));
This will generate a number from some arbitrary LO to some arbitrary HI:
float r3 = LO + static_cast <float> (rand()) /( static_cast ...
Formatting floats without trailing zeros
...
Alex MartelliAlex Martelli
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How do you run multiple programs in parallel from a bash script?
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227
prog1 &
prog2 &
...
Python naming conventions for modules
...
answered Apr 2 '09 at 22:34
Stephan202Stephan202
53.5k1313 gold badges118118 silver badges128128 bronze badges
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What is a Proxy in Doctrine 2?
I just finished reading all the Doctrine 2 documentation, I started my own sandbox, I understood most of the principes, but there is still a question and I couldn't find any complete explanation in the doc.
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)
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286
To write the entire contents of the scrollback buffer to a file, type
Ctrl + A and :
to get t...
Is python's sorted() function guaranteed to be stable?
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129
Yes, the intention of the manual is indeed to guarantee that sorted is stable and indeed that i...
How can I get the assembly file version
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edited May 26 at 16:04
billinkc
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