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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
... select New Relational Model to open a blank model diagram panel. You’re now starting at the same place as someone who’s using the standalone Oracle SQL Developer Data Modeler.
Importing Your Data Dictionary
Importing Your Data Dictionary
A design in Oracle SQL Developer Data Modeler...
How can I delete Docker's images?
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As @alexyz78 notes below, you can now use docker system prune. So to wipe everyhing: docker kill $(docker ps -q) to stop containers followed by a docker system prune -a will remove everything - see stackoverflow.com/a/44309011/247708
– B...
How to create a drop-down list?
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the background drawable you used is now obsolete
– Alberto M
Dec 13 '17 at 11:05
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How to destroy an object?
As far as I know (which is very little) , there are two ways, given:
6 Answers
6
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Replace multiple strings with multiple other strings
..."I have a cat, a dog, and a goat.";
str = str.replace(/cat/gi, "dog");
// now str = "I have a dog, a dog, and a goat."
str = str.replace(/dog/gi, "goat");
// now str = "I have a goat, a goat, and a goat."
str = str.replace(/goat/gi, "cat");
// now str = "I have a cat, a cat, and a cat."
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Which is faster in Python: x**.5 or math.sqrt(x)?
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I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
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Java regex email
First of all, I know that using regex for email is not recommended but I gotta test this out.
20 Answers
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What is the difference between the bridge pattern and the strategy pattern?
...apsulate out a specific behavior and not the entire implementation) would know/contain the strategy interface reference and the implementation to invoke the strategy behavior on it.
Intent is ability to swap behavior at runtime
class Context {
IStrategy strategyReference;
void strategic...
Why does changing the returned variable in a finally block not change the return value?
...u assigned a new stringbuffer to s, then the behavior would be the same as now.
– Ted Hopp
Apr 16 '13 at 7:21
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Declaring an enum within a class
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Nowadays - using C++11 - you can use enum class for this:
enum class Color { RED, BLUE, WHITE };
AFAII this does exactly what you want.
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