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OpenSSL and error in reading openssl.conf file
...eys
default_md = md5 # message digest algorithm
string_mask = nombstr # permitted characters
distinguished_name = req_distinguished_name
req_extensions = v3_req
[ req_distinguished_name ]
# Variable name Prompt string
#-...
How do you add an in-app purchase to an iOS application?
... //restored purchases, you can use
//
//NSString *productID = transaction.payment.productIdentifier;
[self doRemoveAds];
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
break;
}
}
}
- (void)paymentQue...
How to wait until an element exists?
...pecified
* element is inserted into the DOM
* @param {function|string} handler
* A function to execute at the time when the element is inserted or
* string "remove" to remove the listener from the given selector
* @param {bool} shouldRunHandlerOnce
* ...
What is the meaning of “$” sign in JavaScript
...t can be almost anything but is usually "JQuery".
However, in ES6 it is a string interpolation operator in a template "literal" eg.
var s = "new" ; // you can put whatever you think appropriate here.
var s2 = `There are so many ${s} ideas these days !!` ; //back-ticks not quotes
console.log(s2) ;...
What does a lazy val do?
... But it will lead to the same StackOverflowException if your toString method outputs "foo" attribute. Nice example of "lazy" anyway!!!
– Fuad Efendi
Dec 17 '16 at 0:13
...
How to generate all permutations of a list?
... in range(len(elements)):
# nb elements[0:1] works in both string and list contexts
yield perm[:i] + elements[0:1] + perm[i:]
A couple of alternative approaches are listed in the documentation of itertools.permutations. Here's one:
def permutations(iterable, r=None...
Which cryptographic hash function should I choose?
...challenge-response auth, or for access tokens, or just to index a bunch of strings/files. Performance, on the other hand, is a concern for the OP...
– Seva Alekseyev
May 23 '19 at 17:33
...
Custom exception type
...ailto:sysadmin@acme-widgets.com\">system administrator</a>.",
toString: function(){return this.name + ": " + this.message;}
};
share
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...
Add Variables to Tuple
...
To add a string to the tuple without breaking the string itself check stackoverflow.com/a/16449189
– Enzo Ferey
Dec 24 '17 at 19:24
...
Method call if not null in C#
...Null != null ) {
actionIfNull();
}
}
example:
string str = null;
str.IfNotNull(s => Console.Write(s.Length));
str.IfNotNull(s => Console.Write(s.Length), () => Console.Write("null"));
or alternatively:
public static TR IfNotNull<T, TR>(this T ob...