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Clone() vs Copy constructor- which is recommended in java [duplicate]
...cient
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 FOo
f.set(foo.get());
return f;
}
Read more
http://adtmag.com/articles/2000/...
What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
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Class definitions:
val or var can be omitted from class parameters which will make the parameter private.
Adding var or val will cause it to be public (that is, method accessors and mutators are generated).
{} can be omitted if the class has no body, that is,
class E...
Sass or Compass without ruby?
... Sass is written in Ruby, so you’ll need Ruby installed as well.
Taken from sass's site
Compass (requires Ruby, as it's based on SASS)
Compass is an open-source CSS authoring framework which uses the Sass stylesheet language to make writing stylesheets powerful and easy.
Taken from compa...
Image fingerprint to compare similarity of many images
...mage - and can be implemented quite efficiently. Subtracting one histogram from another will produce a new historgram which you can process to decide how similar two images are. Histograms, because the only evaluate the distribution and occurrence of luminosity/color information handle affine transf...
What's the most efficient test of whether a PHP string ends with another string?
... I ran into a bug today which will break the solution that you have given from PHP 5.5.11 and onwards. bugs.php.net/bug.php?id=67043
– user2180613
Jul 29 '14 at 21:18
...
Autoreload of modules in IPython [duplicate]
...hon
In [1]: %load_ext autoreload
In [2]: %autoreload 2
In [3]: from foo import some_function
In [4]: some_function()
Out[4]: 42
In [5]: # open foo.py in an editor and change some_function to return 43
In [6]: some_function()
Out[6]: 43
The module was reloaded without r...
C++ Returning reference to local variable
... problem when returning reference to a local variable. How is it different from func2()?
3 Answers
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Repairing Postgresql after upgrading to OSX 10.7 Lion
...ompletely borked when trying to connect to the psql server. When I do it from the command line using
15 Answers
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Stop LastPass filling out a form
Is there a way to prevent the LastPass browser extension from filling out a HTML-based form with a input field with the name "username"?
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Convert blob URL to normal URL
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A URL that was created from a JavaScript Blob can not be converted to a "normal" URL.
A blob: URL does not refer to data the exists on the server, it refers to data that your browser currently has in memory, for the current page. It will not be av...