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Aspect Oriented Programming vs. Object-Oriented Programming
...ics need to be updated on screen. Assume to repaint the graphics you must call "Display.update()". The classical approach is to solve this by adding more code. At the end of each set method you write
void set...(...) {
:
:
Display.update();
}
If you have 3 set-methods, that is not a pro...
Clone() vs Copy constructor- which is recommended in java [duplicate]
...rclass since the
Beta-release days of the Java
compiler*; and it, like all ancient
magic, requires the appropriate
incantation to prevent the spell from
unexpectedly backfiring
Prefer a method that copies the object
Foo copyFoo (Foo foo){
Foo f = new Foo();
//for all properties in F...
How to dismiss a Twitter Bootstrap popover by clicking outside?
...-title]' in place of '[data-toggle="popover"]'
Caveat: The solution above allows multiple popovers to be open at once.
One popover at a time please:
Update: Bootstrap 3.0.x, see code or fiddle http://jsfiddle.net/mattdlockyer/C5GBU/2/
$('body').on('click', function (e) {
$('[data-toggle="pop...
how do I work around log4net keeping changing publickeytoken
...em with the other answers are that they are using the same dll version for all bindings. I want to use features in the new version for everything else but the legacy dependency.
To be able to do that you need to do the following:
Start by downloading the old version (version of 1.2.11.0).
Rename...
Apache and Node.js on the Same Server
... the ProxyPass directive in the Apache httpd.conf its not too hard to pipe all requests on a particular URL to your Node.JS application.
ProxyPass /node http://localhost:8000
Also, make sure the following lines are NOT commented out so you get the right proxy and submodule to reroute http request...
COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...T(field) or COUNT(*), and stick with it consistently, and if your database allows COUNT(tableHere) or COUNT(tableHere.*), use that.
In short, don't use COUNT(1) for anything. It's a one-trick pony, which rarely does what you want, and in those rare cases is equivalent to count(*)
Use count(*) fo...
What is a “cache-friendly” code?
...her end of the memory spectrum (DRAM), the memory is very cheap (i.e. literally millions of times cheaper) but takes hundreds of cycles after a request to receive the data. To bridge this gap between super fast and expensive and super slow and cheap are the cache memories, named L1, L2, L3 in decre...
How do you see recent SVN log entries?
...n the given dates:
svn log -r {2011-02-02}:{2011-02-03}
You can combine all the above expressions with the --limit option, so that can you have a quite granular control over what is printed. For more info about these -r expressions refer to svn help log or the relevant chapter in the book Version...
Efficiency of Java “Double Brace Initialization”?
...2$8.class
2009/05/27 16:35 2,022 DemoApp2$9.class
These are all classes which were generated when I was making a simple application, and used copious amounts of anonymous inner classes -- each class will be compiled into a separate class file.
The "double brace initialization", as al...
How can I pretty-print JSON in a shell script?
...ou can use
curl http://my_url/ | python -m json.tool
For convenience in all of these cases you can make an alias:
alias prettyjson='python -m json.tool'
For even more convenience with a bit more typing to get it ready:
prettyjson_s() {
echo "$1" | python -m json.tool
}
prettyjson_f() {...