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How to use WPF Background Worker

In my application I need to perform a series of initialization steps, these take 7-8 seconds to complete during which my UI becomes unresponsive. To resolve this I perform the initialization in a separate thread: ...
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Rotating x axis labels in R for barplot

I am trying to get the x axis labels to be rotated 45 degrees on a barplot with no luck. This is the code I have below: 8 A...
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Android JSONObject - How can I loop through a flat JSON object to get each key and value

How I can get each item's key and value without knowing the key nor value beforehand? 5 Answers ...
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Difference between array_push() and $array[] =

In the PHP manual, ( array_push ) says.. 9 Answers 9 ...
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How to run crontab job every week on Sunday

I'm trying to figure out how to run a crontab job every week on Sunday. I think the following should work, but I'm not sure if I understand correctly. Is the following correct? ...
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What is the current directory in a batch file?

I want to create a few batch files to automate a program. 7 Answers 7 ...
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Open file dialog box in JavaScript

I need a solution to display open file dialog in HTML while clicking a div . The open file dialog box must open when the div is clicked. ...
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Detect the Internet connection is offline?

How to detect the Internet connection is offline in JavaScript? 18 Answers 18 ...
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Render HTML to PDF in Django site

For my django powered site, I am looking for an easy solution to convert dynamic html pages to pdf. 8 Answers ...
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?

Is there any difference between :key => "value" (hashrocket) and key: "value" (Ruby 1.9) notations? 5 Answers ...