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Benchmarking small code samples in C#, can this implementation be improved?
...T doesn't improve it's results over time (like the Java one does). It only converts a method from IL to Assembly once, on the first call.
– Matt Warren
Sep 20 '14 at 21:58
add...
Efficient Algorithm for Bit Reversal (from MSB->LSB to LSB->MSB) in C
... printf ("\r\n");
}
printf ("\r\nNumber of 32-byte chunks to convert: %d\r\n",(unsigned int)ceil(NUM_DATA_BYTES/32.0));
double start_time = omp_get_wtime();
bitflipbyte(data,(unsigned int)ceil(NUM_DATA_BYTES/32.0),k1);
double end_time = omp_get_wtime();
printf ("\r\nD...
adding noise to a signal in python
...et SNR
# Set a target SNR
target_snr_db = 20
# Calculate signal power and convert to dB
sig_avg_watts = np.mean(x_watts)
sig_avg_db = 10 * np.log10(sig_avg_watts)
# Calculate noise according to [2] then convert to watts
noise_avg_db = sig_avg_db - target_snr_db
noise_avg_watts = 10 ** (noise_avg_d...
WiX tricks and tips
...re set from the command line.
Examples using 1. 2. and 3.
<?include $(sys.CURRENTDIR)\Config.wxi?>
<Product ... >
<Package InstallerVersion="200" InstallPrivileges="elevated"
InstallScope="perMachine" Platform="$(var.Platform)"
Compressed="yes" Description="$...
Unresolved reference issue in PyCharm
...
@GamesBrainiac, the solution is that the IDE can parse "sys.path.insert(0, "./src")" add that into PYTHONPATH for this specific file, then give proper syntax analysis.
– Ben Lin
Mar 21 '14 at 16:33
...
How to create a numpy array of all True or all False?
...ata itself when possible? I can't imagine numpy doing any heavy lifting to convert int 1 to bool True.
– BallpointBen
May 8 '18 at 19:02
add a comment
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curl POST format for CURLOPT_POSTFIELDS
...
Nested arrays won't work. cURL will try to convert them to string and a PHP Array to string conversion notice will follow
– 7ochem
Jul 5 '18 at 9:07
...
How do I round to the nearest 0.5?
...right
var f:int = Math.round(r * 10 - n) * 5;// INTEGER - Test 1 or 0 then convert to 5
var d:Number = (n + (f / 10)) / 10; // NUMBER - Re-assemble the number
trace("ORG No: " + r);
trace("NEW No: " + d);
Thats pretty much it.
Note the use of 'Numbers' and 'Integers' and the way they are proces...
Parse a URI String into Name-Value Collection
...
@SergeyShafiev It is trivial to convert a List<NameValuePair> into a Map<String,String> Java doesn't have bracket access for hash maps, it would look like map.get("one") If you don't know how to do that, it should be another question (but try it...
How can I generate UUID in C#
...se the first three parts (Data1-3).
I do it this way:
var rfc4122bytes = Convert.FromBase64String("aguidthatIgotonthewire==");
Array.Reverse(rfc4122bytes,0,4);
Array.Reverse(rfc4122bytes,4,2);
Array.Reverse(rfc4122bytes,6,2);
var guid = new Guid(rfc4122bytes);
See this answer for the specific .N...