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How can I get the intersection, union, and subset of arrays in Ruby?
... in the first place? It doesn't do anything that Array doesn't already do from Ruby's Standard Lib.
– danielricecodes
Aug 30 '17 at 17:18
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What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?
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FYI: moved from stackoverflow.com/questions/10367387/…
– Shog9
Jul 25 '14 at 18:57
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How to retrieve the LoaderException property?
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Using Quick Watch in Visual Studio you can access the LoaderExceptions from ViewDetails of the thrown exception like this:
($exception).LoaderExceptions
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Set encoding and fileencoding to utf-8 in Vim
... both in your ~/.vimrc if you always want to work in utf-8.
More details
From the wiki of VIM about working with unicode
"encoding sets how vim shall represent characters internally. Utf-8 is necessary for most flavors of Unicode."
"fileencoding sets the encoding for a particular file (local to ...
Using the “animated circle” in an ImageView while loading stuff
...);
mHandler.sendMessage(msg);
}
}
Finally get the state back from the thread when it is complete:
final Handler handler = new Handler() {
public void handleMessage(Message msg) {
int state = msg.getData().getInt("state");
if (state == 1){
dismissDialog(...
Should I use @EJB or @Inject
... be incorrect or out of date. Please see comments for details.
I switched from @Inject to @EJB because @EJB allows circular injection whereas @Inject pukes on it.
Details: I needed @PostConstruct to call an @Asynchronous method but it would do so synchronously. The only way to make the asynchronou...
Dynamically creating keys in a JavaScript associative array
...hash tables in JavaScript.
Example code for looping over values in a hash (from the aforementioned link):
var myArray = new Array();
myArray['one'] = 1;
myArray['two'] = 2;
myArray['three'] = 3;
// Show the values stored
for (var i in myArray) {
alert('key is: ' + i + ', value is: ' + myArray[i...
ipython notebook clear cell output in code
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You can use IPython.display.clear_output to clear the output of a cell.
from IPython.display import clear_output
for i in range(10):
clear_output(wait=True)
print("Hello World!")
At the end of this loop you will only see one Hello World!.
Without a code example it's not easy to give y...
Display milliseconds in Excel
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I've discovered in Excel 2007, if the results are a Table from an embedded query, the ss.000 does not work. I can paste the query results (from SQL Server Management Studio), and format the time just fine. But when I embed the query as a Data Connection in Excel, the format always g...
RegEx backreferences in IntelliJ
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IntelliJ uses $1 for replacement backreferences.
From IntelliJ's help:
For more information on regular expressions and their syntax, refer to documentation for java.util.regex Back references should have $n, rather than \n format.
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