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How to establish a connection pool in JDBC?
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102
If you need a standalone connection pool, my preference goes to C3P0 over DBCP (that I've menti...
How can I reliably get an object's address when operator& is overloaded?
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102
Update: in C++11, one may use std::addressof instead of boost::addressof.
Let us first copy ...
Iterating through a list in reverse order in java
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edited Jan 20 '10 at 15:54
answered Jan 20 '10 at 15:34
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Optimising Android application before release [closed]
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+100
At some point you are going to get to the point where using known tricks will hit their limits. The best thing to do at this point is...
Facebook database design?
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90
Keep a friend table that holds the UserID and then the UserID of the friend (we will call it Fri...
How can I mock dependencies for unit testing in RequireJS?
...ext for your test where you can simply mock your dependencies:
var cnt = 0;
function createContext(stubs) {
cnt++;
var map = {};
var i18n = stubs.i18n;
stubs.i18n = {
load: sinon.spy(function(name, req, onLoad) {
onLoad(i18n);
})
};
_.each(stubs, function(value, key) {
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Difference between null and empty (“”) Java String
... can still invoke methods or functions on it like
a.length()
a.substring(0, 1)
and so on.
If the String equals null, like b, Java would throw a NullPointerException if you tried invoking, say:
b.length()
If the difference you are wondering about is == versus equals, it's this:
== compares ...
Removing duplicate rows in Notepad++
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answered Oct 18 '10 at 10:46
Colin PickardColin Pickard
42.2k1111 gold badges9191 silver badges142142 bronze badges
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How to clear variables in ipython?
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208
%reset seems to clear defined variables.
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