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Why do we need tuples in Python (or any immutable data type)?
...mutable objects can allow substantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages.
in Python in particular, only immutables can be hashable ...
How to convert timestamps to dates in Bash?
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@mehaase - the man page notes that the date string is too complex to be documented in the manpage, so it is described in info: info '(coreutils) date invocation'
– MByD
Mar 23 '16 at 8:48
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Javascript set img src
...on't need to construct a whole new image... the src attribute just takes a string value :-)
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Open application after clicking on Notification
... });
}
// Notification Function
private void Notification(String notificationTitle,
String notificationMessage) {
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
android.app.Notification notification...
Custom error pages on asp.net MVC3
...e)
{
case 403:
httpContext.RewritePath(string.Format("/Errors/Http403", true));
break;
case 404:
httpContext.RewritePath(string.Format("/Errors/Http404", true));
break;
default:
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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Ruby hash-keys assigned by hash-rockets can facilitate strings for key-value pairs (e.g. 's' => x) whereas key assignment via symbols (e.g. key: "value" or :key => "value") cannot be assigned with strings. Although hash-rockets provide freedom and functionality for hash-ta...
Difference between array_push() and $array[] =
...the variable in array.
2.the second array_push method is used to push the string in the array variable.
3.finally it will print the result.
4.the second method is directly store the string in the array.
5.the data is printed in the array values in using print_r method.
this two are same
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Execute AsyncTask several times
...ute("your parameter");
static class FirmwareDownload extends AsyncTask<String, String, String> {
}
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jquery, domain, get URL
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If you need from string, like me, use this function - it really works.
function getHost(url)
{
var a = document.createElement('a');
a.href = url;
return a.hostname;
}
But note, if there is a subdomain (e.g. www.) in the URL it ...
How to merge every two lines into one from the command line?
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This awk solution can break if printf expansion strings like %s are found within $0. That failure can be avoided like this: 'NR%2{printf "%s ",$0;next;}1'
– ghoti
Mar 11 '14 at 13:21
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