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Why would one declare a Java interface method as abstract?
...va Language Specification, the abstract keyword for interfaces is obsolete and should no longer be used. (Section 9.1.1.1)
That said, with Java's propensity for backwards compatibility, I really doubt it will ever make a difference whether the abstract keyword is present.
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Django CharField vs TextField
What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...
How to convert byte array to Bitmap
...ant to store image in SQLite DataBase .
I tried to store it using BLOB and String , in both cases it store the
image and can retrieve it but when i convert it to Bitmap using
BitmapFactory.decodeByteArray(...) it return null.
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Comparing mongoose _id and strings
I have a node.js application that pulls some data and sticks it into an object, like this:
7 Answers
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What is the difference between inversedBy and mappedBy?
I am developing my application using Zend Framework 2 and Doctrine 2.
4 Answers
4
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How does IPython's magic %paste work?
I want to copy already indented Python code / whole functions and classes into IPython. Everytime I try the indentation is screwed up and I get following error message:
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onTouchListener warning: onTouch should call View#performClick when a click is detected
...hod, so you should actually return "true" instead?
– android developer
Aug 17 '14 at 12:27
@longilong Well if you wish...
Inner join vs Where
...="T2"."ID"))
-- 2 table access full table1
-- 3 table access full table2
And the execution plan for the query using a WHERE clause.
-- with where clause
EXPLAIN PLAN FOR
SELECT * FROM table1 t1, table2 t2
WHERE t1.id = t2.id;
SELECT *
FROM TABLE (DBMS_XPLAN.DISPLAY);
-- 0 select statement
-- 1...
Disable XML validation in Eclipse
My Eclipse validates XML files every time I save a file and it takes a while to validate them.
The project is created using gwt-maven-plugin.
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How to count lines in a document?
I have lines like these, and I want to know how many lines I actually have...
24 Answers
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