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Get underlined text with Markdown

... I guess this is because underlined text is hard to read, and that it's usually used for hyperlinks. share | improve this answer | follow | ...
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How to export/import PuTTy sessions list?

...utty-sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions All settings: regedit /e "%USERPROFILE%\Desktop\putty.reg" HKEY_CURRENT_USER\Software\SimonTatham Powershell: Only sessions: reg export HKCU\Software\SimonTatham\PuTTY\Sessions ([Environment]::GetFolderPath("Desktop") ...
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Mixin vs inheritance

... A mixin is typically used with multiple inheritance. So, in that sense, there's "no difference". The detail is that a mixin is rarely useful as a standalone object. For example, say you have a mixin named "ColorAndDimension", which adds a co...
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Python pandas: fill a dataframe row by row

...you want to align the input (for example you then don't have to to specify all of the elements) In [7]: df = pandas.DataFrame(columns=['a','b','c','d'], index=['x','y','z']) In [8]: df.loc['y'] = pandas.Series({'a':1, 'b':5, 'c':2, 'd':3}) In [9]: df Out[9]: a b c d x NaN NaN Na...
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How do I time a method's execution in Java?

... actually, its "new-fashioned" because you used nanoTime, which wasn't added until java5 – John Gardner Oct 7 '08 at 22:26 ...
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How to atomically delete keys matching a pattern using Redis

... Starting with redis 2.6.0, you can run lua scripts, which execute atomically. I have never written one, but I think it would look something like this EVAL "return redis.call('del', unpack(redis.call('keys', ARGV[1])))" 0 prefix:[YOUR_PREFIX e.g delete_me_*] Warning: As the Redis document sa...
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What is function overloading and overriding in php?

...that method. In PHP, you can only overload methods using the magic method __call. An example of overriding: <?php class Foo { function myFoo() { return "Foo"; } } class Bar extends Foo { function myFoo() { return "Bar"; } } $foo = new Foo; $bar = new Bar; echo($foo-&...
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Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...
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What's the best way to parse command line arguments? [closed]

... will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is also self-documenting in that you declare the help argument (which will be used when run with -h/--help) right there with the option. Usually you parse your...
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Handling a colon in an element ID in a CSS selector [duplicate]

...mpatibility mode. This other answer to this same question did work. basically \3A instead of \:. – Merlyn Morgan-Graham Mar 30 '12 at 2:32 ...