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How to set JFrame to appear centered, regardless of monitor resolution? [closed]
...s a special effect when you pass it a null. According to the Javadoc:
If the component is null, or the GraphicsConfiguration associated with this component is null, the window is placed in the center of the screen.
This should be done after setting the size or calling pack(), but before setti...
Select all 'tr' except the first one
... crossbrowser way of selecting the rows you want with CSS alone.
However, if you don't care about Internet Explorer 6, 7 or 8:
tr:not(:first-child) {
color: red;
}
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Django connection to PostgreSQL: “Peer authentication failed”
...tead of using unix sockets, you use TCP connections. From django docs:
If you’re using PostgreSQL, by default (empty HOST), the connection to
the database is done through UNIX domain sockets (‘local’ lines in
pg_hba.conf). If you want to connect through TCP sockets, set HOST to
‘lo...
CSS: how to add white space before element's content?
...the text-indent property.
p { text-indent: 1em; }
JSFiddle demo
Edit:
If you want the space to be colored, you might consider adding a thick left border to the first letter. (I'd almost-but-not-quite say "instead", because the indent can be an issue if you use both. But it feels dirty to me t...
Executing injected by innerHTML after AJAX call
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If you ask me, this is a far better answer than the accepted one. This is pretty much JavaScript injection.
– Xedret
Sep 27 '13 at 19:16
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Using .gitignore to ignore everything but specific directories
...u have to explicitly allow content for each level you want to include. So if I have subdirectories 5 deep under themes, I still need to spell that out.
This is only how it worked for me. If someone cares to offer a more informed explanation by all means.
Also, these answers helpful:
how-do-nega...
Python Infinity - Any caveats?
...t returns either 0.0 or inf. So it does work correctly when the input is inifinty, but not when the result should be infinity.
– Abel
May 9 '15 at 14:50
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How to make PDF file downloadable in HTML link?
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This code is likely dangerous in another way. If you pass HTTP links to fopen, I think it'll go retrieve the file from another server. Could be used by an attacker to attempt to scan your internal network for exposed PDF files.
– Rory McCune
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Mongoose's find method with $or condition does not work properly
...:objId}, {'name':param}, {'nickname':param} ]},
function(err,docs){
if(!err) res.send(docs);
});
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multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
If we have 10 eigenvectors then we can have 10 neural nodes in input layer.If we have 5 output classes then we can have 5 nodes in output layer.But what is the criteria for choosing number of hidden layer in a MLP and how many neural nodes in 1 hidden layer?
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