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psycopg2: insert multiple rows with one query
... do you have to dick around with escaping strings and timestamps etc?
– CpILL
Jun 13 '17 at 9:35
Yes, you'll...
How do you create a remote Git branch?
...h -u origin your_branch
Teammates can reach your branch, by doing:
git fetch
git checkout origin/your_branch
You can continue working in the branch and pushing whenever you want without passing arguments to git push (argumentless git push will push the master to remote master, your_branch local...
Access-control-allow-origin with multiple domains
...ains fairly easy and support multiple Top-Level domains (e.g com, org, net etc.).
– Merlin
Nov 11 '15 at 6:35
4
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Objective-C: Where to remove observer for NSNotification?
...wont cause you to do logic while the controller is being pushed off screen etc. There are special cases where the controller should receive notifications when it is off-screen I guess you can't do this. But events like that should probably be in your model.
– RickiG
...
Most concise way to convert a Set to a List
...set to a list I can't perform any iterative operation on it foreach, sort, etc. I get a NullPointerException, however when I expect my list none of the elements are null, and the only weird I notice is that the index starts at 1. However, if I just create a normal list the index starts at 0. Weird?
...
moving committed (but not pushed) changes to a new branch after pull
... the history of your branch after origin/master. First I would run a git fetch origin to make sure that origin/master is up to date. Assuming that you're currently on master, you should be able to do:
git rebase origin/master
... which will replay all of your commits that aren't in origin/maste...
How to store date/time and timestamps in UTC time zone with JPA and Hibernate
... this way).
At startup, we do:
TimeZone.setDefault(TimeZone.getTimeZone("Etc/UTC"));
And set the desired timezone to the DateFormat:
fmt.setTimeZone(TimeZone.getTimeZone("Europe/Budapest"))
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Difference between object and class in Scala
...t much like a module, containing related/subsidiary types and definitions, etc.
It can implement an interface by extending a class or one or more traits.
It can represent a case of a sealed trait that contains no data. In this respect, it's often considered more correct than a case class with no par...
How do you save/store objects in SharedPreferences on Android?
...To save:
MyObject myObject = new MyObject;
//set variables of 'myObject', etc.
Editor prefsEditor = mPrefs.edit();
Gson gson = new Gson();
String json = gson.toJson(myObject);
prefsEditor.putString("MyObject", json);
prefsEditor.commit();
To retrieve:
Gson gson = new Gson();
String json = mPref...
Easiest way to detect Internet connection on iOS?
...ample on how to determine host reachability, reachability by WiFi, by WWAN etc. For a very simply check of network reachability, you can do something like this
Reachability *networkReachability = [Reachability reachabilityForInternetConnection];
NetworkStatus networkStatus = [networkReachabilit...