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Why use softmax as opposed to standard normalization?
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There is one nice attribute of Softmax as compared with standard normalisation.
It react to low stimulation (think blurry image) of your neural net with rather uniform distribution and to high stimulation (ie. large numbers, think c...
Is it good practice to use the xor operator for boolean checks? [closed]
...al to b". (What @RobertGrant said). Most humans would understand the first one easier if they know what xor is (which is pretty useful to know if you're in the field of computing...)
– Harold R. Eason
Nov 22 '13 at 20:53
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Rails and PostgreSQL: Role postgres does not exist
...issue right on when I first install the Heroku's POSTGRES.app thing. After one morning trial and error i think this one line of code solved problem. As describe earlier, this is because postgresql does not have default role the first time it is set up. And we need to set that.
sovanlandy=# CREATE R...
Semi-transparent color layer over background-image?
...ead, but it shows up at the top in Google, so here's another option.
This one is pure CSS, and doesn't require any extra HTML.
box-shadow: inset 0 0 0 1000px rgba(0,0,0,.2);
There are a surprising number of uses for the box-shadow feature.
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Understanding Python's “is” operator
...ultiple names point to the same object. is tells you if two names point to one and the same object. == tells you if two names refer to objects that have the same value.
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Use dynamic (variable) string as regex pattern in JavaScript
...se JavaScript's RegExp object.
If you also want to match/replace more than one time, then you must add the g (global match) flag. Here's an example:
var stringToGoIntoTheRegex = "abc";
var regex = new RegExp("#" + stringToGoIntoTheRegex + "#", "g");
// at this point, the line above is the same as: v...
Will the Garbage Collector call IDisposable.Dispose for me?
...eeds to explicitly call Dispose.
This is logical, and is what I've always done in the rare situations where a finalizer is warranted.
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How can I hash a password in Java?
...ate a password manager with a specified cost
*
* @param cost the exponential computational cost of hashing a password, 0 to 30
*/
public PasswordAuthentication(int cost)
{
iterations(cost); /* Validate cost */
this.cost = cost;
this.random = new SecureRandom();
}
priva...
How to use ScrollView in Android?
...ut simply needs to be arranged so they all have room on the screen. As for one ScrollView inside another, that's difficult. Instead, the Android compatibility library has NestedScrollView. There are lots of tutorials on the web for how to use NestedScrollView for that application.
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How do I “decompile” Java class files? [closed]
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In case one installed the Eclipse java decompiler plugin on Eclipse Juno, and Eclipse started hanging on Marketplace DND Initialization forcing to kill the whole process: removing the jd.*.jar from Eclipse plugins directory just fixe...