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Define global variable in a JavaScript function
...ou literally have no evidence that the window object actually exists. You know nothing about how your code will be used in the future. It might be even used in the MongoDB environment or rino instead of your node. And the window object is also not visible even in the browser if you use web workers ...
Custom ListView click issue on items in Android
...n the list item to have an attribute like so:
android:focusable="false"
Now my list items that contain checkboxes (works for buttons too) are "selectable" in the traditional sense (they light up, you can click anywhere in the list item and the "onListItemClick" handler will fire, etc).
EDIT: As ...
Read file line by line using ifstream in C++
... the OP used a space to delimit the two integers. I wanted to know if while (infile >> a >> b) would work if the OP used a as a comma a delimiter, because that is the scenario in my own program
– Edward Karak
Oct 18 '14 at 14:46
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Determine which JAR file a class is from
I am not in front of an IDE right now, just looking at the API specs.
4 Answers
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Understanding the difference between Object.create() and new SomeFunction()
...e have two objects a and b.
var a = new Object();
var b = new Object();
Now, suppose a has some methods which b also wants to access. For that, we require object inheritance (a should be the prototype of b only if we want access to those methods). If we check the prototypes of a and b then we wil...
Render HTML to PDF in Django site
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pisa is now distributed as xhtml2pdf
– Pablo Albornoz
Jun 6 '13 at 19:56
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How to split a column into two columns?
...ing the power of the str.extract() method.
But for a simple split over a known separator (like, splitting by dashes, or splitting by whitespace), the .str.split() method is enough1. It operates on a column (Series) of strings, and returns a column (Series) of lists:
>>> import pandas as p...
SBT stop run without exiting
...lly, start sbt, optionally switch to the subproject you want to run, run.
Now, when you want to stop the process, close its stdin by typing CTRL-D in the sbt shell.
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Best way to synchronize local HTML5 DB (WebSQL Storage, SQLite) with a server (2 way sync) [closed]
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DB sync is not my priority for now, so I just give up, waiting for a more standard and robust solution...
– Samuel
Aug 18 '10 at 13:25
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Is there any difference between GROUP BY and DISTINCT
...s.
For example, if you have a bunch of purchase records, and you want to know how much was spent by each department, you might do something like:
SELECT department, SUM(amount) FROM purchases GROUP BY department
This will give you one row per department, containing the department name and the su...