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Add Keypair to existing EC2 instance
I was given AWS Console access to an account with 2 instances running that I cannot shut down (in production). I would however like to gain SSH access to these instances, is it possible to create a new Keypair and apply it to the instances so I can SSH in? Obtaining the exisiting pem file for the ke...
Tests not running in Test Explorer
I am currently working on a solution that has currently 32 Unittests. I have been working with the resharper test runner - which works fine. All tests are running, all tests are showing the right test outcome. Now a coworker told me, that the tests are not running on his machine using the Visual Stu...
How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
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241
+25
To conf...
byte[] to hex string [duplicate]
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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...
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(...
Can I underline text in an Android layout?
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25 Answers
25
Active
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Random float number generation
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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
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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 &
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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...