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Why are dates calculated from January 1st, 1970?
...
Astronomers use their own epochal date: http://en.wikipedia.org/wiki/Epoch_(astronomy)
Why? A date has to be chosen to make the math work out. Any random date will work.
A date far in the past avoids negative numbers for the general case.
Some of the smarter packages use the proleptic Gregoria...
How to count certain elements in array?
...
for laughs: alert(eval('('+my_array.join('==2)+(')+'==2)')) jsfiddle.net/gaby_de_wilde/gujbmych
– user40521
Jan 7 '16 at 19:29
34
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Node.js project naming conventions for files & folders
...ge.json#name
Therefore, camelCase should never be used. This leaves snake_case and kebab-case.
kebab-case is by far the most common convention today. The only use of underscores is for internal node packages, and this is simply a convention from the early days.
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ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...ocket to talk to clients
$responder = new ZMQSocket ($context, ZMQ::SOCKET_REP);
$responder->bind ("tcp://*:5555");
while(true) {
// Wait for next request from client
$request = $responder->recv ();
printf ("Received request: [%s]\n", $request);
// Do some 'work'
sleep (1);
// Send re...
What is the aspnet_client folder for under the IIS structure?
I notice that there's frequently an aspnet_client folder under the standard IIS web folder structure. What is this used for? Is it needed?
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ng-model for `` (with directive DEMO)
...ng it the Angular way and not the plain JS way?
– AFP_555
Mar 21 '17 at 0:40
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Encrypting & Decrypting a String in C# [duplicate]
...se = "my protection purpose";
private readonly IDataProtectionProvider _provider;
public MyService(IDataProtectionProvider provider)
{
_provider = provider;
}
public string Encrypt(string plainText)
{
var protector = _provider.CreateProtector(Purpose);
...
Can Selenium interact with an existing browser session?
...open a driver
driver = webdriver.Firefox() #python
extract to session_id and _url from driver object.
url = driver.command_executor._url #"http://127.0.0.1:60622/hub"
session_id = driver.session_id #'4e167f26-dc1d-4f51-a207-f761eaf73c31'
Use these two parameter to connect...
Does R have an assert statement as in python?
...ndition that will throw an error in your program. Here's an example:
Less_Than_8 = function(x) return(x < 8)
for (i in 1:10)
{
print(i)
stopifnot(Less_Than_8(i))
}
This will print the numbers 1 through 8, then print a message that says
Error: Less_Than_8(i) is not TRUE
It would be ni...
Easiest way to convert int to string in C++
...C++11 introduces std::stoi (and variants for each numeric type) and std::to_string, the counterparts of the C atoi and itoa but expressed in term of std::string.
#include <string>
std::string s = std::to_string(42);
is therefore the shortest way I can think of. You can even omit naming th...