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how to get the last character of a string?
...thod.
Just by:
str.slice(-1);
A negative start index slices the string from length+index, to length, being index -1, the last character is extracted:
"abc".slice(-1); // "c";
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Get list of all routes defined in the Flask app
... You can iterate over the Rule instances by using the iter_rules method:
from flask import Flask, url_for
app = Flask(__name__)
def has_no_empty_params(rule):
defaults = rule.defaults if rule.defaults is not None else ()
arguments = rule.arguments if rule.arguments is not None else ()
...
What's a good IDE for Python on Mac OS X? [closed]
...and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
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How to exit if a command failed?
...ng ( ) makes the command inside them run in a sub-shell and calling a exit from there causes you to exit the sub-shell and not your original shell, hence execution continues in your original shell.
To overcome this use { }
The last two changes are required by bash.
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Programmatically align a toolbar on top of the iPhone keyboard
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This is based on the existing answer from tonklon - I'm just adding a code snippet that shows a semi transparent black toolbar on top of the keyboard, together with a "done" button on the right:
UIToolbar *toolbar = [[[UIToolbar alloc] init] autorelease];
[tool...
How do I clear/delete the current line in terminal?
...y
Ctrl+g Cancel the search and restore original line
Ctrl+n Next command from the History
Ctrl+p previous command from the History
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How/when to use ng-click to call a route?
.../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:
<button ng-click="go('/home')"></button>
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CSS3 Continuous Rotate Animation (Just like a loading sundial)
... A typical copy-paste error. Thanks a lot! (I actually got my css from shareaholic and because of the wrongly named property, it used the default ease timing function).
– doekman
Feb 15 '12 at 21:24
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I forgot the password I entered during postgres installation
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When connecting to postgres from command line, don't forget to add -h localhost as command line parameter. If not, postgres will try to connect using PEER authentication mode.
The below shows a reset of the password, a failed login with PEER authentica...
What is the difference between Forking and Cloning on GitHub?
...he two projects (and other forks).
You can still request that people pull from your cloned repository, even if you don't use fork -- but you'd have to deal with making it publicly available yourself. Or send the developers patches (see git format-patch) that they can apply to their trees.
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