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Can't find the 'libpq-fe.h header when trying to install pg gem
...xecute sudo apt-get install libpq-dev then bundle install and the error disappeared. Thanks
– Felo Vilches
Oct 20 '19 at 17:00
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show 19 mor...
WPF and initial focus
It seems that when a WPF application starts, nothing has focus.
12 Answers
12
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Standard Android Button with a different color
...Wow, just tried that out and it is totally fantastic. Thank you! Do you happen to know if there's a way to accomplish it via xml somehow?
– emmby
Aug 19 '10 at 20:17
4
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Simple Log to File example for django 1.3+
... 'level': 'DEBUG',
'propagate': False,
},
'MYAPP': {
'handlers': ['console', 'logfile'],
'level': 'DEBUG',
},
}
}
Now what does all of this mean?
Formaters I like it to come out as the same style as ./manage.py runserver
Handlers ...
from jquery $.ajax to angular $http
...JS way of calling $http would look like:
$http({
url: "http://example.appspot.com/rest/app",
method: "POST",
data: {"foo":"bar"}
}).then(function successCallback(response) {
// this callback will be called asynchronously
// when the response is available
$scope.d...
Android SQLite DB When to Close
...t. this will prevent multiple manipulations to the database and save your application from a potential crash
so in your singleton, you might have a method like this to get your single SQLiteOpenHelper object:
private SQLiteDatabase db;
private MyDBOpenHelper mySingletonHelperField;
public MyDBOpe...
How to correctly require a specific commit in Composer so that it would be available for dependent p
...rette library at that hash, with a dev flag, in both your library and your application. Something like this should work in the application composer.json:
{
"name": "bar/bar-app",
"repositories": [
{
"type": "vcs",
"url": "ssh://git.example.com/foo-lib"
...
How do I convert a Ruby class name to a underscore-delimited symbol?
...hich is likely the case. Advantages:
easier to understand your code
your app will still work even in the (unlikely) event that Rails decides to change a naming convention.
BTW, human has the advantage of being I18N aware.
...
Unable to generate an explicit migration in entity framework
...
It tells you that there is some unprocessed migration in your application and it requires running Update-Database before you can add another migration.
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You need to use a Theme.AppCompat theme (or descendant) with this activity
...ason you are having this problem is because the activity you are trying to apply the dialog theme to is extending ActionBarActivity which requires the AppCompat theme to be applied.
Update: Extending AppCompatActivity would also have this problem
In this case, change the Java inheritance from ...