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How to generate random SHA1 hash to use as ID in node.js?
...tring();
crypto.createHash('sha1').update(current_date + random).digest('hex');
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What is a reasonable code coverage % for unit tests (and why)? [closed]
...ou are serving, how much rice
you have available, and so on.”
“Exactly,” said the great master.
The second programmer smiled, bowed,
and left.
...
Toward the end of the day, a third
programmer came and asked the same
question about code coverage.
“Eighty perc...
Why is Git better than Subversion?
...ainst it.
This looks good at first, but just keep in mind the added complexity to this approach.
Git seems to be the "new, shiny, cool" thing. It's by no means bad (there is a reason Linus wrote it for the Linux Kernel development after all), but I feel that many people jump on the "Distributed So...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...otice that the library, from a usage perspective, has changed little. For example...
18 Answers
...
Can you explain the HttpURLConnection connection process?
...t URL of the resource to
// request
URL url = new URL("http://www.example.com/comment");
// instantiate the HttpURLConnection with the URL object - A new
// connection is opened every time by calling the openConnection
// method of the protocol handler for this URL.
// 1. Th...
Using Kafka as a (CQRS) Eventstore. Good idea?
...or not they
have been consumed—for a configurable period of time. For example if
the retention is set for two days, then for the two days after a
message is published it is available for consumption, after which it
will be discarded to free up space. Kafka's performance is effectively
co...
'printf' vs. 'cout' in C++
...here; both printf and std::cout have their advantages.
Real differences
Extensibility
std::cout is extensible. I know that people will say that printf is extensible too, but such extension is not mentioned in the C standard (so you would have to use non-standard features - but not even common non...
How to convert a number to string and vice versa in C++
...tring to numeric
float stof(const string& str, size_t *idx = 0);
double stod(const string& str, size_t *idx = 0);
long double stold(const string& str, size_t *idx = 0);
int stoi(const string& str, size_t *idx = 0, int base = 10);
long ...
When to use Storyboard and when to use XIBs
...ny guidelines on when to use storyboards in an iOS project and when to use XIBs? what are the pros and cons of each and what situations do they each suit?
...
Creating an API for mobile applications - Authentication and Authorization
...ss quite a few people didn't manage to read all the way to the end :)
My experience of web service authentication is that people usually overengineer it, and the problems are only the same as you would encounter on a web page. Possible very simple options would include https for the login step, re...