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Share data between AngularJS controllers
...';
$scope.$watch('firstName', function (newValue, oldValue) {
if (newValue !== oldValue) Data.setFirstName(newValue);
});
});
myApp.controller('SecondCtrl', function ($scope, Data) {
$scope.$watch(function () { return Data.getFirstName(); }, function (newValue, oldValue) {
...
How do I find out my python path using python?
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sys.path might include items that aren't specifically in your PYTHONPATH environment variable. To query the variable directly, use:
import os
try:
user_paths = os.environ['PYTHONPATH'].split(os.pathsep)
except KeyError:
user_paths = []
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Undo git mv (rename)
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If you have done no other changes (that you want to keep) since the last commit, you can do
git reset --hard
share
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impr...
Running a cron job on Linux every six hours
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thanks, so if I wanted to run it starting from 15:00 every 6 hours it would be 15 15,23,05,11 * * * /path/to/mycommand ?
– Gandalf StormCrow
Jul 19 '12 at 14:26
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Bash: Syntax error: redirection unexpected
...s hash bang line? The default system shell in Ubuntu is dash, not bash, so if you have #!/bin/sh then your script will be using a different shell than you expect. Dash does not have the <<< redirection operator.
sha...
Validating IPv4 addresses with regexp
... parentheses around your alternation otherwise the (\.|$) is only required if the number is less than 200.
'\b((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(\.|$)){4}\b'
^ ^
share
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How do I include related model fields using Django Rest Framework?
... quite what you need, since the teachers field is a reverse relationship.
If you've got more complex requirements (eg. include reverse relationships, nest some fields, but not others, or nest only a specific subset of fields) you can nest serializers, eg...
class TeacherSerializer(serializers.Mode...
Trying to embed newline in a variable in bash [duplicate]
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for i in $var
do
(( $first_loop )) && # "((...))" is bash specific
p="$i" || # First -> Set
p="$p\n$i" # After -> Append
unset first_loop
done
echo -e "$p" # Use -e
Using a function
embed_newline()
{
local p="$1"
shift
for i ...
Android: integer from xml resource
How do I have to modify my XML resources, or what XML file do I have to create, to access integer values in the same way you access string values with R.string.some_string_resource ?
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Use basic authentication with jQuery and Ajax
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Problem...If the credentials I pass fail, in Chrome the user is then presented with a dialog to enter username/pwd again. How can I prevent this 2nd dialog from appearing if the credentials fail?
– David
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