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Concatenate a vector of strings/character
... I had never performed benchmarks on R. Nice to learn something new.
– Torrien
Mar 20 '19 at 21:51
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How do I use a Boolean in Python?
...e works too, since 1 is converted to True when necessary.
Actually Python didn't have a boolean type for a long time (as in old C), and some programmers still use integers instead of booleans.
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Changing the color of the axis, ticks and labels for a plot in matplotlib
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f4761623%2fchanging-the-color-of-the-axis-ticks-and-labels-for-a-plot-in-matplotlib%23new-answer', 'question_page');
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format statement in a string resource file
...tyling:
<string name="welcome_messages">Hello, %1$s! You have %2$d new messages.</string>
In this example, the format string has two arguments: %1$s is a
string and %2$d is a decimal integer. You can format the string with
arguments from your application like this:
Resources...
An async/await example that causes a deadlock
...ices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
5 Answers
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How to elegantly deal with timezones
...t = from tz in TimeZoneInfo.GetSystemTimeZones()
select new SelectListItem { Value = tz.Id, Text = tz.DisplayName };
return list;
}
}
So, now at 9:25 AM in China, Website hosted in USA, date saved in UTC at database, here is the final result:
5/9/2013 6:25:58 PM (S...
What does Class mean in Java?
...collections, then we see strange compiletime errors:
List<?> list = new ArrayList<Object>(); // ArrayList<?> is not allowed
list.add("a String"); // doesn't compile ...
Our List<?> is not a collection, that is suitable for just any type of object. It ca...
Is it possible to insert multiple rows at a time in an SQLite database?
...7.11 SQLite does support multi-row-insert. Richard Hipp comments:
"The new multi-valued insert is merely syntactic suger (sic) for the compound
insert. There is no performance advantage one way or the other."
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How to show and update echo on same line
... character.
The 2 options are -n and -e.
-n will not output the trailing newline. So that saves me from going to a new line each time I echo something.
-e will allow me to interpret backslash escape symbols.
Guess what escape symbol I want to use for this: \r. Yes, carriage return would send me ...
Passing current scope to an AngularJS Service
...($scope, BlahService) {
$scope.someVar = 4;
$scope.blahService = new blahService($scope);
});
angular.module('blah').factory('blahService', function() {
//constructor
function blahService(scope) {
this._scope = scope;
this._someFunction()
}
//wherever y...