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How to get current location in Android [duplicate]
...at you have added the permission on the Manifest,
For using only network based location use this one
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
For GPS based location, this one
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>...
What does [ N … M ] mean in C aggregate initializers?
...
It is initialization using Designated Initializers.
The range based initialization is a gnu gcc extension.
To initialize a range of elements to the same value, write [first ... last] = value. This is a GNU extension. For example,
int widths[] = { [0 ... 9] = 1, [10 ... 99] ...
How to determine a Python variable's type?
...ring for the type.
e.g.
In [9]: var = 123
In [10]: var?
Type: int
Base Class: <type 'int'>
String Form: 123
Namespace: Interactive
Docstring:
int(x[, base]) -> integer
Convert a string or number to an integer, if possible. A floating point argument will be truncated towa...
Efficiently updating database using SQLAlchemy ORM
...on. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session.
So if you say
for c in session.query(Stuff).all():
c.foo = c.fo...
Using an RDBMS as event sourcing storage
...very modification of your model would result in having to migrate your database (just as in good old-fashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all.
Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (...
How to use single storyboard uiviewcontroller for multiple subclass
...e the UI elements in a UIView - in a xib file and instantiate it from your base class and add it as a sub view in the main view, typically self.view. Then you would simply use the storyboard layout with basically blank view controllers holding their place in the storyboard but with the correct view ...
How can I read inputs as numbers?
...er: "))
y = int(input("Enter a number: "))
You can accept numbers of any base and convert them directly to base-10 with the int function, like this
>>> data = int(input("Enter a number: "), 8)
Enter a number: 777
>>> data
511
>>> data = int(input("Enter a number: "), 16...
Control the size of points in an R scatterplot?
...illed symbol (which is probably what you want).
Aside from that, even the base graphics system in R allows a user fine-grained control over symbol size, color, and shape. E.g.,
dfx = data.frame(ev1=1:10, ev2=sample(10:99, 10), ev3=10:1)
with(dfx, symbols(x=ev1, y=ev2, circles=ev3, inches=1/3,
...
Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
...d static String generateUniqueId() {
UUID uuid = generator.generateRandomBasedUUID(secureRandom);
return uuid.toString().replaceAll("-", "").toUpperCase();
}
You could download the library from: https://github.com/cowtowncoder/java-uuid-generator
...
Scanning Java annotations at runtime [closed]
...entProvider
API
A component provider that scans the classpath from a base package. It then applies exclude and include filters to the resulting classes to find candidates.
ClassPathScanningCandidateComponentProvider scanner =
new ClassPathScanningCandidateComponentProvider(<DO_YOU_WANT_T...