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iOS JavaScript bridge
...also create a simple library that suits your needs.
1. Execute JS methods from Objective-C
This is really just one line of code.
NSString *returnvalue = [webView stringByEvaluatingJavaScriptFromString:@"your javascript code string here"];
More details on the official UIWebView Documentation.
2...
How do I use Node.js Crypto to create a HMAC-SHA1 hash?
... And to verify a hash, you should use crypto.timingSafeEqual(Buffer.from(a), Buffer.from(b)): stackoverflow.com/questions/31095905/…
– baptx
Aug 2 '19 at 15:19
1
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could not resolve host github.com error while cloning remote repository in git
...proxy variable without your credentials! (the px proxy will reuse the ones from the current Widows session, either through Microsoft SSPI or Microsoft Kerberos)
That will give you:
set HTTPS_PROXY=http://127.0.0.1:3128
set HTTP_PROXY=http://127.0.0.1:3128
set NO_PROXY=localhost,my.company
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What is the most effective way for float and double comparison?
...hen looking at floating point comparison.
The following definitions are from The art of computer programming by Knuth:
bool approximatelyEqual(float a, float b, float epsilon)
{
return fabs(a - b) <= ( (fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
}
bool essentiallyEqual(float ...
cocktail party algorithm SVD implementation … in one line of code?
...ll help someone.
You need 2 audio recordings. You can get audio examples from http://research.ics.aalto.fi/ica/cocktail/cocktail_en.cgi.
reference for implementation is http://www.cs.nyu.edu/~roweis/kica.html
ok, here's code -
[x1, Fs1] = audioread('mix1.wav');
[x2, Fs2] = audioread('mix2.wav'...
UITableView : viewForHeaderInSection: not called during reloadData:
...it won't be called. Check the case too. Also make sure you are returning 0 from numberOfSections.
– rmaddy
Feb 26 '13 at 2:23
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Python extending with - using super() Python 3 vs Python 2
...d to do super(self.__class__, self), but that is wrong. If Class2 inherits from Class1 and Class1 calls super(self.__class__, self).__init__(), Class1's __init__ will then call itself when instantiating an instance of Class2.
– jpmc26
Jul 15 '15 at 18:10
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Do browsers send “\r\n” or “\n” or does it depend on the browser?
...hat to do with the contents of a TEXTAREA. (See, for instance, this thread from an HTML working group about the issue.)
Here's a quote from the HTTP/1.1 spec about message headers:
The line terminator for message-header fields is the sequence CRLF. However, we recommend that applications, when ...
Suppress command line output
...0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful because there are subtle differences between the shell syntax and ...
How to create a file in Android?
How to create a file, write data into it and read data from it on Android? If possible provide a code snippet.
4 Answers
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