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How to attach my repo to heroku app
...u choose one for you.
Let say your heroku app name is new-app-xxxxx, so to test on adding a file in to it you may try the following command:
git clone https://git.heroku.com/<new-app-xxxxx>.git
cd <new-app-xxxxx>
echo "my test file" > test.txt
git add .
git commit . -m "my test on co...
correct way to define class variables in Python [duplicate]
...e explains the difference between the styles:
james@bodacious-wired:~$cat test.py
#!/usr/bin/env python
class MyClass:
element1 = "Hello"
def __init__(self):
self.element2 = "World"
obj = MyClass()
print dir(MyClass)
print "--"
print dir(obj)
print "--"
print obj.element1
prin...
AngularJS : Clear $watch
... listen = $scope.$watch('mvIdentity.currentUser', function(currentUser) { test = 1; console.log("--> " + $scope.updateemail + " -- " + test); listen(); });
– Harshit Laddha
Jun 22 '14 at 5:28
...
Java FileOutputStream Create File if not exists
...oc), but it will create it if it can. To be sure you probably should first test that the file exists before you create the FileOutputStream (and create with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
Fi...
Android Fragment onClick button Method
...le savedInstanceState) {
return inflater.inflate(R.layout.fragment_test, container, false);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
fComm = (FragmentCommunicator) activity;
} catch (ClassCastExcept...
Check if database exists in PostgreSQL using shell
...e special variable $? to the exit status of the last command. You can also test the status directly in a conditional:
if psql -lqt | cut -d \| -f 1 | grep -qw <db_name>; then
# database exists
# $? is 0
else
# ruh-roh
# $? is 1
fi
...
JavaScript check if variable exists (is defined/initialized)
...
'if( variable )' also fails for testing for the existence of object properties.
– scotts
May 4 '10 at 22:40
55
...
iPhone: Setting Navigation Bar Title
...line also changes the label for the Tab Bar Item. To avoid this, use what @testing suggested
self.navigationItem.title = @"MyTitle";
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What is the Sign Off feature in Git for?
...e tracking of who did what, especially with patches.
Example commit:
Add tests for the payment processor.
Signed-off-by: Humpty Dumpty <humpty.dumpty@example.com>
It should contain the user real name if used for an open-source project.
If branch maintainer need to slightly modify patches...
How to get datetime in JavaScript?
...er answers). The number of corner cases is astounding. Go look at the unit test page for moment.js (momentjs.com/tests) -- there are 66701 tests! Just use it, it's great. Or find another library, but don't write your own code for this, you will very likely miss something (I've messed this up royally...