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Display image as grayscale using matplotlib
...scale colormap?
E.g. something like
imshow(..., cmap=pyplot.cm.binary)
For a list of colormaps, see http://scipy-cookbook.readthedocs.org/items/Matplotlib_Show_colormaps.html
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
How can I check if a URL exists via PHP?
... some websites have a different $file_headers[0] on error page. for example, youtube.com. its error page having that value as HTTP/1.0 404 Not Found(difference is 1.0 and 1.1). what to do then?
– Krishna Raj K
Mar 17 '12 at 7:34
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How to secure MongoDB with username and password
I want to set up user name & password authentication for my MongoDB instance, so that any remote access will ask for the user name & password. I tried the tutorial from the MongoDB site and did following:
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Escaping HTML strings with jQuery
...I need to be able to pass an arbitrary string and have it properly escaped for display in an HTML page (preventing JavaScript/HTML injection attacks). I'm sure it's possible to extend jQuery to do this, but I don't know enough about the framework at the moment to accomplish this.
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What is sr-only in Bootstrap 3?
What is the class sr-only used for? Is it important or can I remove it? Works fine without.
6 Answers
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
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There's times where it's needed ... for example, fetching a subset of data for a paged screen.
– Beep beep
Sep 21 '10 at 5:06
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How to write DataFrame to postgres table?
There is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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Selenium WebDriver: Wait for complex page with JavaScript to load
...Script code is not so well written but I can't change anything.
So waiting for an element to appear in the DOM with findElement() method is not an option.
I want to create a generic function in Java to wait for a page to load, a possible solution would be:
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Regular expression \p{L} and \p{N}
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thx for the fast answer :). But shouldnt the regex then match 10? I have tried an online regex matcher: regexpal.com
– Diemauerdk
Feb 15 '13 at 9:10
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