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recursion versus iteration
...mmer does a really good job at it+.
+ I borrowed the sledgehammer analogy from Dijkstra's "Discipline of Programming".
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How to change the Content of a with Javascript
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...rhost" }
That way, it can work in all environments and could be different from environment to environment. For example:
development.rb
config.action_mailer.default_url_options = { :host => "dev.yourhost.com" }
test.rb
config.action_mailer.default_url_options = { :host => "test.yourhost.c...
What modern C++ libraries should be in my toolbox? [closed]
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How to check if a service is running on Android?
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I use the following from inside an activity:
private boolean isMyServiceRunning(Class<?> serviceClass) {
ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
for (RunningServiceInfo service : man...
Spring MVC @PathVariable getting truncated
...his in a long time, but I think the colon separates the regular expression from the argument name to bind it to.
– earldouglas
Nov 2 '12 at 18:18
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How do I concatenate or merge arrays in Swift?
...ates an object, which as I understand means something that is instantiated from a class type. CGFloat is not an object, it is a scalar value. As I understand it, arrays can contain scalars, unless it is defined as containing AnyObject or are further refined. However, I suspect here the problem is th...
How to escape single quotes within single quoted strings
... tab
\r carriage return
Below is copy+pasted related documentation from man bash (version 4.4):
Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if ...
Python element-wise tuple operations like sum
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from numpy import array
a = array( [1,2,3] )
b = array( [3,2,1] )
print a + b
gives array([4,4,4]).
See http://www.scipy.org/Tentative_NumPy_Tutorial
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AngularJs: Reload page
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Similar to Alexandrin's answer, but using $state rather than $route:
(From JimTheDev's SO answer here.)
$scope.reloadState = function() {
$state.go($state.current, {}, {reload: true});
}
<a ng-click="reloadState()" ...
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