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How to use Active Support core extensions
... you are playing with some code or something, you can add or modify .irbrc file to require all libs that you use all the time. It will load them automatically on start. I.E. I use awesome_print, hirb and some custom methods all the time - so I just put them there and don't have to think twice for th...
How do I modify the URL without reloading the page?
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May not work on file:/// for safety reasons, e.g. Firefox 30. Test on localhost with python -m SimpleHTTPServer.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jul 9 '14 at 16:05
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Test if remote TCP port is open from a shell script
...not close the sending half of their socket even after receiving the end-of-file from /dev/null. On my own Ubuntu laptop (18.04), the netcat-openbsd version of netcat that I have installed offers a workaround: the -N option is necessary to get an immediate result:
nc -N my.example.com 80 < /dev/n...
Navigation in django
... I refactored the <ul id="nav">....</ul> to a different file, lets say tabs.html. So now base.html contained {%block nav%}{%include "tabs.html"%}{%endblock%} and then highlighting of the active tab stopped working(in about.html above). Am I missing anything ?
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Python debugging tips [closed]
...logging-level', help='Logging level')
parser.add_option('-f', '--logging-file', help='Logging file name')
(options, args) = parser.parse_args()
logging_level = LOGGING_LEVELS.get(options.logging_level, logging.NOTSET)
logging.basicConfig(level=logging_level, filename=options.logging_file,
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How to call a JavaScript function from PHP?
... There's off course also the option of linking in an external javascript file that does the call itself... That way you keep JavaScript where it belongs, in the JavaScript code. =)
– PatrikAkerstrand
Jun 25 '09 at 19:54
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Android - startActivityForResult immediately triggering onActivityResult
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Thank both of you, I had this in my manifest file and had totally forgotten about it
– TomBomb
Oct 27 '11 at 3:14
9
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How do I define a method in Razor?
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hi David, how can I define the function in one file and use it in another file?
– Georgi Kovachev
Dec 1 '16 at 20:06
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What approaches are available to dummy design-time data in WPF?
...You also need the following, or the VS2012 compiler won't compile the xaml file: xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" and mc:Ignorable="d"
– Orion Edwards
Dec 26 '12 at 20:31
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Easiest way to split a string on newlines in .NET?
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If you want to accept files from lots of various OS's, you might also add "\n\r" to the start and "\r" to the end of the delimiter list. I'm not sure it's worth the performance hit though. (en.wikipedia.org/wiki/Newline)
– u...