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When do I use fabs and when is it sufficient to use std::abs?
...e of a template. Had to replace individually a thousand usages of 0.0L and 1.0L with the exact constant type using Zero or One or a type_cast - automatic conversion definition impossible because of ambiguities.
Up to May I found the existing of implicit conversions very nice.
But much simpler it wo...
Calculating distance between two points, using latitude longitude?
...
Google Map shows 200 Kms for 12.915700, 77.632046, 11.665154, 78.145657 where as the above code shows 149.82 Kms. Something is still incorrect.
– Samy
Dec 30 '15 at 10:15
...
How to detect iPhone 5 (widescreen devices)?
...y if the floating point value cannot be expressed as an exact number (like 1.0/3.0*3.0 for example). Read this article for more info ;)
– AliSoftware
Sep 16 '12 at 16:50
2
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How do I send a cross-domain POST request via JavaScript?
...this:
function xmlrpc_server_output($xml) {
$xml = '<?xml version="1.0"?>'."\n". $xml;
header('Connection: close');
header('Content-Length: '. strlen($xml));
header('Access-Control-Allow-Origin: *');
header('Content-Type: application/x-www-form-urlencoded');
header('Da...
Why should we include ttf, eot, woff, svg,… in a font-face
...based on the Brotli compression algorithm and other improvements over WOFF 1.0 giving more than 30 % reduction in file size, is supported in Chrome, Opera, and Firefox.
http://en.wikipedia.org/wiki/Web_Open_Font_Format
http://en.wikipedia.org/wiki/Brotli
http://sth.name/2014/09/03/Speed-up-webfont...
How do you make a HTTP request with C++?
...step 2, send GET request /////////////
sprintf(tmpBuffer, "GET %s HTTP/1.0", filepath.c_str());
strcpy(sendBuffer, tmpBuffer);
strcat(sendBuffer, "\r\n");
sprintf(tmpBuffer, "Host: %s", server.c_str());
strcat(sendBuffer, tmpBuffer);
strcat(sendBuffer, "\r\n");
strcat(sen...
Fastest way to flatten / un-flatten nested JSON objects
...d"]}]} => {"a.0.b.0":"c","a.0.b.1":"d"}
[1,[2,[3,4],5],6] => {"0":1,"1.0":2,"1.1.0":3,"1.1.1":4,"1.2":5,"2":6}
Advantages:
Flattening an object is faster than the current solution.
Flattening and unflattening an object is as fast as or faster than the current solution.
Flattened objects ...
What are the differences between WCF and ASMX web services?
...place ASMX.
Example web.config for an ASMX webservice:
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<appSettings />
<system.web>
<compilation targetFramework="4.5" />
<httpRuntime targetFramework="4.5" />
</system.web>
</configur...
Setting Short Value Java
...
The "1." was only cut of in Java 5 and later. Java 1.0-1.4 are always refered to by that name by Sun. And that is done intentionally, because Sun used "Java 2" to refer to Java 1.2 up to Java 1.5/Java 5. It is very confusing, but inventing new names that Sun never used doesn'...
Detect & Record Audio in Python
...dio.paInt16
FRAME_MAX_VALUE = 2 ** 15 - 1
NORMALIZE_MINUS_ONE_dB = 10 ** (-1.0 / 20)
RATE = 44100
CHANNELS = 1
TRIM_APPEND = RATE / 4
def is_silent(data_chunk):
"""Returns 'True' if below the 'silent' threshold"""
return max(data_chunk) < THRESHOLD
def normalize(data_all):
"""Amplif...