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The 'Access-Control-Allow-Origin' header contains multiple values
...ing a space-separated list of origins, it is either a single origin or the string "null"." w3.org/TR/cors/#access-control-allow-origin-response-header
– Nux
Nov 5 '15 at 16:22
...
Wrapping StopWatch timing with a delegate or lambda?
...xample will profile the action lambda with 1-16 threads:
static void Main(string[] args)
{
Action action = () =>
{
for (int i = 0; i < 10000000; i++)
Math.Sqrt(i);
};
for(int i=1; i<=16; i++)
Console.WriteLine(i + " thread(s):\t" +
...
Functions that return a function
...can return a true/false value. An integer (1,2,3,4...). You can return a string. You can return a complex object with multiple properties. And you can return a function. a function is just a thing.
In your case, returning b returns the thing, the thing is a callable function. Returning b() re...
How can I force division to be floating point? Division keeps rounding down to 0?
... b might be something other than an integer or floating-point number (or a string representing one). If you might be dealing with other types (such as complex numbers) you'll need to either check for those or use a different method.
...
Python append() vs. + operator on lists, why do these give different results?
...
if an element is single string, e.g. s = 'word', l = ['this', 'is']. Then l.append(s) and l+s should be the same. Am I correct?
– user3512680
Feb 2 at 22:13
...
SQL Call Stored Procedure for each Row without using a cursor
...
@WeihuiGuo because Code built dynamically using strings is HORRIBLY prone to failure and a total pain in the butt to debug. You should absolutely never do anything like this outside of a one off that has no chance of becoming a routine part of a production environment
...
Testing modules in rspec
...dummy_class = DummyClass.new
@dummy_class.extend(Say)
end
it "get hello string" do
expect(@dummy_class.hello).to eq "hello"
end
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How to have Android Service communicate with Activity
...FRESH_DATA_INTENT));
(RefreshTask.REFRESH_DATA_INTENT is just a constant string.)
In my listening activity, I define my BroadcastReceiver:
private class DataUpdateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.g...
Search and replace in bash using regular expressions
...is available, with the same precedence as == and !=. When it is used, the string to the right of the operator is considered an extended regular expression and matched accordingly (as in regex(3)).
– nickl-
Mar 10 '14 at 4:22
...
Check play state of AVPlayer
...lock:^{
// Passing NULL for the queue specifies the main queue.
NSString *timeDescription = (NSString *)CMTimeCopyDescription(NULL, [self.player currentTime]);
NSLog(@"Passed a boundary at %@", timeDescription);
[timeDescription release];
}];
...