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Android ListView headers

...tent" android:background="#757678" android:textColor="#f5c227" /> </LinearLayout> Layout for R.layout.my_list_item <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_par...
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How to determine if a string is a number with C++?

... The most efficient way would be just to iterate over the string until you find a non-digit character. If there are any non-digit characters, you can consider the string not a number. bool is_number(const std::string& s) { ...
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Storing time-series data, relational or non?

... answered Jan 27 '11 at 12:53 RavindraRavindra 34322 silver badges88 bronze badges ...
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Specifying and saving a figure with exact size in pixels

... explicitly. – tiago Dec 5 '12 at 1:27 1 It's probably better to set a higher dpi and divide your...
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How do I download a file over HTTP using Python?

...www.example.com/') as f: html = f.read().decode('utf-8') This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers. On Python 2, the method is in urllib2: import urllib2 response = urllib2.urlopen('http://www.example.com...
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What is a message pump?

... HoganHogan 62.1k1010 gold badges7272 silver badges104104 bronze badges add a comment ...
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puts vs logger in rails rake tasks

... be output on the terminal with puts. Anything that needs to be kept for posterity ("sent warning email to jsmith@example.com") should be sent to the Rails.logger. share | improve this answer ...
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How to ignore certain files in Git

I have a repository with a file, Hello.java . When I compile it, an additional Hello.class file is generated. 21 Answers...
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Possible reasons for timeout when trying to access EC2 instance

...ng to get all of this. I've ordered the steps in the way I think might be most efficient, but you may have to adjust them to get one item available for the next. Suggestion I'm not suggesting that you go thermo nuclear as I did. I'm offering all this information so that you can check these associa...
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How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?

Is it possible to 'hibernate' a process in linux? Just like 'hibernate' in laptop, I would to write all the memory used by a process to disk, free up the RAM. And then later on, I can 'resume the process', i.e, reading all the data from memory and put it back to RAM and I can continue with my proces...