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How to get the number of Characters in a String?
...", len("世界"), utf8.RuneCountInString("世界"))
}
Phrozen adds in the comments:
Actually you can do len() over runes by just type casting.
len([]rune("世界")) will print 2. At leats in Go 1.3.
And with CL 108985 (May 2018, for Go 1.11), len([]rune(string)) is now optimized. (Fixes issue 2492...
What is the difference between GitHub and gist?
... However, everything is driven by git revision control, so gists also have complete revision histories.
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Is ServiceLocator an anti-pattern?
...d. See Misko Hevery's Google Tech Talk nice explanation with code examples http://youtu.be/RlfLCWKxHJ0 starting at minute 8:45. I liked his analogy: if you need $25, ask directly for money rather than giving your wallet from where money will be taken. He also compares Service Locator with a haystack...
Can't specify the 'async' modifier on the 'Main' method of a console app
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As you discovered, in VS11 the compiler will disallow an async Main method. This was allowed (but never recommended) in VS2010 with the Async CTP.
I have recent blog posts about async/await and asynchronous console programs in particular. Here's some backg...
Python Script execute commands in Terminal
...this somewhere a while ago but cant seem to find it. I am trying to find a command that will execute commands in the terminal and then output the result.
...
Detecting value change of input[type=text] in jQuery
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just remenber that 'on' is recomended over the 'bind' function, so always try to use a event listener like this:
$("#myTextBox").on("change paste keyup", function() {
alert($(this).val());
});
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When saving, how can you check if a field has changed?
...stead of overwriting init, I'd use the post_init-signal docs.djangoproject.com/en/dev/ref/signals/#post-init
– vikingosegundo
Nov 24 '09 at 22:43
24
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Possible to iterate backwards through a foreach?
... UPDATE: See [Bryan's answer to a similar question[(stackoverflow.com/a/3320924/199364), for a more modern answer, using Linq, and discussing both lists, and other enumerables.
– ToolmakerSteve
Mar 2 '17 at 20:28
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How does Google calculate my location on a desktop?
... wifi presence. Every time a query is performed to the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:
queries its database if geolocation exists for some of the wifis you passed, and retur...
How/when to use ng-click to call a route?
...ome</a>
<a href="#/about">Go to About</a>
Nothing more complicated is needed. If, however, you must do this from code, the proper way is by using the $location service:
$scope.go = function ( path ) {
$location.path( path );
};
Which, for example, a button could trigger:
&l...