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What's a concise way to check that environment variables are set in a Unix shell script?
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Determining the current foreground application from a background task or service
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How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
Note ...
How do I get cURL to not show the progress bar?
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curl -s http://google.com > temp.html
works for curl version 7.19.5 on Ubuntu 9.10 (no progress bar). But if for some reason that does not work on your platform, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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How to calculate the sentence similarity using word2vec model of gensim with python
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Can I create more than one repository for github pages?
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159
You can have one site published to https://<username>.github.io by publishing to the mas...
ValueError: invalid literal for int() with base 10: ''
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Images can't contain alpha channels or transparencies
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answered Sep 5 '14 at 9:06
brush51brush51
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