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What is the meaning and difference between subject, user and principal?
...clarify "User - subset of principal"? If John is the subject and "account #123" is his principal, the user is who? Are there two John's? Since Genus > Species > Individual is increasingly specific, John (user) should be more specific than John (subject). Or am I missing something?
...
How to pass command line arguments to a rake task
...something like this:
$ rake user:create -- --user test@example.com --pass 123
note the --, that's necessary for bypassing standard Rake arguments. Should work with Rake 0.9.x, <= 10.3.x.
Newer Rake has changed its parsing of --, and now you have to make sure it's not passed to the OptionParse...
Android studio, gradle and NDK
... when using Android Studio, even on debug builds
– pt123
Jan 17 '16 at 23:04
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How can I get query string values in JavaScript?
...window.location.search.substr(1).split('&'));
With an URL like ?topic=123&name=query+string, the following will return:
qs["topic"]; // 123
qs["name"]; // query string
qs["nothere"]; // undefined (object)
Google method
Tearing Google's code I found the method they use: getUrlParam...
How to round a number to n decimal places in Java
...f.setRoundingMode(RoundingMode.CEILING);
for (Number n : Arrays.asList(12, 123.12345, 0.23, 0.1, 2341234.212431324)) {
Double d = n.doubleValue();
System.out.println(df.format(d));
}
gives the output:
12
123.1235
0.23
0.1
2341234.2125
EDIT: The original answer does not address the acc...
Best way to represent a fraction in Java?
...on("Unknown format '" + s + "'");
}
// this translates 23.123e5 to 25,123 / 1000 * 10^5 = 2,512,300 / 1 (GCD)
String whole = m.group(1);
String decimal = m.group(2);
String exponent = m.group(3);
String n = whole;
// 23.123 => 23123
...
What's the best way to check if a String represents an integer in Java?
...they aren't bad performers.
public void RunTests()
{
String str = "1234567890";
long startTime = System.currentTimeMillis();
for(int i = 0; i < 100000; i++)
IsInt_ByException(str);
long endTime = System.currentTimeMillis();
System.out.print("ByException: ");
...
Difference between objectForKey and valueForKey?
...can do the following:
NSNumber *anAccountNumber = [NSNumber numberWithInt:12345];
Account *newAccount = [[Account alloc] init];
[newAccount setAccountNumber:anAccountNUmber];
NSNumber *anotherAccountNumber = [newAccount accountNumber];
Using KVC, I can access the property dynamically:
NSNumber...
facebook: permanent Page Access Token?
...your browser.
The response should look like this:
{"access_token":"ABC123","token_type":"bearer","expires_in":5183791}
"ABC123" will be your long-lived access token. You can put it into the Access Token Debugger to verify. Under "Expires" it should have something like "2 months".
3. Get User...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
...l repro:
class Program
{
static bool M(out int x)
{
x = 123;
return true;
}
static int N(dynamic d)
{
int y;
if(d || M(out y))
y = 10;
return y;
}
}
I see no reason why that should be illegal; if you replace dynamic ...