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Exit Shell Script Based on Process Exit Code
...pt that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
...
AngularJS: Basic example to use authentication in Single Page Application
...thentication procedures. Also contains functions on authorization, that is if the user is allowed to perform a certain action.
angular.module('loginApp')
.factory('Auth', [ '$http', '$rootScope', '$window', 'Session', 'AUTH_EVENTS',
function($http, $rootScope, $window, Session, AUTH_EVENTS) {
aut...
@class vs. #import
... any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once.
16...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...
Write-Error should be used if you want to inform the user of a non-critical error. By default all it does is print an error message in red text on the console. It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what...
Generate unique random numbers between 1 and 100
...arr.length < 8){
var r = Math.floor(Math.random() * 100) + 1;
if(arr.indexOf(r) === -1) arr.push(r);
}
console.log(arr);
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fo...
Simple state machine example in C#?
...on(CurrentState, command);
ProcessState nextState;
if (!transitions.TryGetValue(transition, out nextState))
throw new Exception("Invalid transition: " + CurrentState + " -> " + command);
return nextState;
}
public ProcessState M...
How to Sort a List by a property in the object
...
If you need to sort the list in-place then you can use the Sort method, passing a Comparison<T> delegate:
objListOrder.Sort((x, y) => x.OrderDate.CompareTo(y.OrderDate));
If you prefer to create a new, sorted sequ...
Iterate over the lines of a string
...f f2(foo=foo):
retval = ''
for char in foo:
retval += char if not char == '\n' else ''
if char == '\n':
yield retval
retval = ''
if retval:
yield retval
def f3(foo=foo):
prevnl = -1
while True:
nextnl = foo.find('\n', prevnl ...
Preferred Java way to ping an HTTP URL for availability
... works perfectly fine. Using GET is more reliable in case you intend to verify links/resources not domains/hosts.
Testing the server for availability is not enough in my case, I need to test the URL (the webapp may not be deployed)
Indeed, connecting a host only informs if the host is availa...
How do I break out of a loop in Perl?
...h, I found it. You use last instead of break
for my $entry (@array){
if ($string eq "text"){
last;
}
}
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