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Extract part of a regex match

... Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly): title_search = re.search('<title>(.*)</title>', html, re.IGNORECAS...
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How can I open several files at once in Vim?

...ere a way to open all the files in a directory from within Vim? So a :command that would say in effect "Open all the files under /some/path into buffers". ...
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How do I exclude all instances of a transitive dependency when using Gradle?

... least 5 or 6 other transitive dependencies - this project is using spring and hadoop, so everything but the kitchen sink is getting pulled in... no wait... that's there too :) ). ...
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How to use Greek symbols in ggplot2?

My categories need to be named with Greek letters. I am using ggplot2 , and it works beautifully with the data. Unfortunately I cannot figure out how to put those greek symbols on the x axis (at the tick marks) and also make them appear in the legend. Is there any way to do it? ...
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Erasing elements from a vector

...ranteed to occur only once in the vector. It may be present multiple times and I need to clear all of them. My code is something like this: ...
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How to remove leading and trailing zeros in a string? Python

... What about a basic your_string.strip("0") to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones). [More info in the doc.] You could use some list comprehension to get the sequences you w...
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Safely limiting Ansible playbooks to a single machine?

...all group of computers. Currently, I have my playbooks set to hosts: all and my hosts file is just a single group with all machines listed: ...
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printf() formatting for hex

... The # part gives you a 0x in the output string. The 0 and the x count against your "8" characters listed in the 08 part. You need to ask for 10 characters if you want it to be the same. int i = 7; printf("%#010x\n", i); // gives 0x00000007 printf("0x%08x\n", i); // gives 0x0...
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How to manually include external aar package using new Gradle Android Build System

I've been experimenting with the new android build system and I've run into a small issue. I've compiled my own aar package of ActionBarSherlock which I've called 'actionbarsherlock.aar'. What I'm trying to do is actually use this aar to build my final APK. If I include the whole ActionBarSherloc...
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best way to add license section to iOS settings bundle

...lication uses a number of third party components licensed under Apache 2.0 and similar licenses, which requires me to include various bits of text, this kind of thing: ...