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Creating a custom JButton in Java
...Looking at the source code you can see that each Die button is drawn dynamically, based on its value.
Here are the basic steps:
Create a class that extends JComponent
Call parent constructor super() in your constructors
Make sure you class implements MouseListener
Put this in the constructor:...
Vagrant ssh authentication failure
...stsFile /dev/null
StrictHostKeyChecking no
PasswordAuthentication no
IdentityFile C:/Users/konst/.vagrant.d/insecure_private_key
IdentitiesOnly yes
LogLevel FATAL
http://docs.vagrantup.com/v2/cli/ssh_config.html
Second, do:
Change the contents of file insecure_private_key with the conte...
File I/O in Every Programming Language [closed]
...lock where you can use the variable f as a stream object returned from the call to open().
When the with block ends, python calls f.close() automatically.
This guarantees the file will be closed when you exit the with block no matter how or when you exit the block
(even if you exit it via an unhan...
Python Requests - No connection adapters
...
You need to include the protocol scheme:
'http://192.168.1.61:8080/api/call'
Without the http:// part, requests has no idea how to connect to the remote server.
Note that the protocol scheme must be all lowercase; if your URL starts with HTTP:// for example, it won’t find the http:// connec...
How can I disable a button in a jQuery dialog from a function?
...veral dialogs you have to define what dialog you need to change: $("#dialogId").parent().$(":button:contains('Authenticate')").attr("disabled","disabled").addClass( 'ui-state-disabled' );
– podeig
May 25 '11 at 13:19
...
Changing the selected option of an HTML Select element
...ain old JavaScript:
var val = "Fish";
var sel = document.getElementById('sel');
document.getElementById('btn').onclick = function() {
var opts = sel.options;
for (var opt, j = 0; opt = opts[j]; j++) {
if (opt.value == val) {
sel.selectedIndex = j;
break;
}
}
...
Simple explanation of clojure protocols
...fe makes sense even in a language like Clojure. Just because we can't statically check type-safety doesn't mean that we want our code to randomly break, right?]
The Expression Problem is, how do you actually provide such extensibility in a language?
It turns out that for typical naive implementati...
Android: Is it possible to display video thumbnails?
I created a video recording application with library dialog. The library dialog displays the list of recorded videos where each item consists of icon, video title, tags and location information the following way:
...
Convert Pandas column containing NaNs to dtype `int`
... .csv file to a Pandas dataframe as below. For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
...
How to check if an array value exists?
...
Is it possible to have an array with identical keys? Wouldn't the second value overwrite the original?
– Citricguy
Jun 9 '12 at 1:51
add...