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What does `someObject.new` do in Java?
...in its containing class it uses the this instance of the container by default:
public class Foo {
int val;
public Foo(int v) { val = v; }
class Bar {
public void printVal() {
// this is the val belonging to our containing instance
System.out.println(val);
}
}
public ...
What is the HTML tag “div” short for?
What is the div in the <div> tag short for? Is it "division"? I've looked around Google and SO and haven't found an answer.
...
'str' object does not support item assignment in Python
... ''.join(list1)
>>> print(str1)
mystrung
>>> type(str1)
<type 'str'>
if you really want to.
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How can I get nth element from a list?
...", namely
Int -> [a] -> a
Lo and behold, with !! as the first result (although the type signature actually has the two arguments in reverse compared to what we searched for). Neat, huh?
Also, if your code relies on indexing (instead of consuming from the front of the list), lists may in fa...
Toggle input disabled attribute using jQuery
...
Another simple option that updates on a click of the checkbox.
HTML:
<input type="checkbox" id="checkbox/>
<input disabled type="submit" id="item"/>
jQuery:
$('#checkbox').click(function() {
if (this.checked) {
$('#item').prop('disabled', false); // If checked enable ...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
..."this" is an Activity):
public String getFileName(Uri uri) {
String result = null;
if (uri.getScheme().equals("content")) {
Cursor cursor = getContentResolver().query(uri, null, null, null, null);
try {
if (cursor != null && cursor.moveToFirst()) {
result = cursor....
How can I use a DLL file from Python?
...d can pass by value or reference. It can also return specific data types although my example doesn't do that (the HLL API returns values by modifying a variable passed by reference).
In terms of the specific example shown above, IBM's EHLLAPI is a fairly consistent interface.
All calls pass fou...
Visual Studio: How to break on handled exceptions?
...zed the menu to manually add it; the shortcut key worked either way (Ctrl+Alt+E)
– Ian Boyd
Sep 22 '08 at 19:40
3
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How can I tell when HttpClient has timed out?
... This doesn't work for me if I am not using cts. I'm just using Task<T> task = SomeTask() try { T result = task.Result} catch (TaskCanceledException) {} catch (Exception e) {} Only the general exception is caught, not the TaskCanceledException. What is wrong in my version of code?
...
SVN upgrade working copy
...ng in a terminal window on Unix-baesd systems:
cd [eclipse/workspace] # <- you supply the actual path here
for file in `find . -depth 2 -name "*.svn"`; do svn upgrade `dirname $file` ; done;
After Googling a bit, I found what seems to be the equivalent for Windows users:
http://www.rqna.ne...