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How to delete all records from table in sqlite with Android?
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You missed a space: db.execSQL("delete * from " + TABLE_NAME);
Also there is no need to even include *, the correct query is:
db.execSQL("delete from "+ TABLE_NAME);
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Android update activity UI from service
...ground operations even when no
Activity is running, also start the service from the Application
class so that it does not get stopped when unbound.
The advantages I have found in this approach compared to the startService()/LocalBroadcast technique are
No need for data objects to implement Parce...
The application may be doing too much work on its main thread
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taken from : Android UI : Fixing skipped frames
Anyone who begins developing android application sees this message on
logcat “Choreographer(abc): Skipped xx frames! The application may be
doing too much work on its main t...
How to pull remote branch from somebody else's repo
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changes to that branch, should I
create a second local branch "bar"
from "foo" and work there instead of
directly on my "foo"?
You don't need to create a new branch, even though I recommend it. You might as well commit directly to foo and have your co-worker pull your branch. But that bra...
Git submodule update
I'm not clear on what the following means (from the Git submodule update documentation):
4 Answers
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X-Frame-Options Allow-From multiple domains
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X-Frame-Options is deprecated. From MDN:
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break ...
Remove all occurrences of a value from a list?
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You can use a list comprehension:
def remove_values_from_list(the_list, val):
return [value for value in the_list if value != val]
x = [1, 2, 3, 4, 2, 2, 3]
x = remove_values_from_list(x, 2)
print x
# [1, 3, 4, 3]
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Constructors vs Factory Methods [closed]
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From page 108 of Design Patterns: Elements of Reusable Object-Oriented Software by Gamma, Helm, Johnson, and Vlissides.
Use the Factory Method pattern when
a class can't anticipate the class of objects it must create
a cla...
Remove a marker from a GoogleMap
...ou are finished with the marker, you can call Marker.remove() to remove it from the map.
As an aside, if you only want to hide it temporarily, you can toggle the visibility of the marker by calling Marker.setVisible(boolean).
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What is a Java ClassLoader?
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Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C and C++, are compiled into native, machine-specific instructions and saved as an executable file. The...