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Rank function in MySQL
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+1 for the devious inline initialization, that's a beautiful trick.
– Charles
Jul 26 '10 at 9:42
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How to calculate moving average without keeping the count and data-total?
... Beware that this is quite far from the common definition of average. If you set N = 5 and enter 5 5 samples, the average will be 0.67.
– Dan Dascalescu
Jan 9 '18 at 8:28
2
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How do I enter RGB values into Interface Builder?
...en choose "RGB Sliders" from the drop-down list.
You can also use the magnifying-glass as a color picker to pick up an exact color from anywhere on the screen; also see @ken's excellent comment below clarifying how colorspaces work with the magnifying glass.
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How do I concatenate or merge arrays in Swift?
If there are two arrays created in swift like this:
12 Answers
12
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Alternate background colors for list items
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If you want to do this purely in CSS then you'd have a class that you'd assign to each alternate list item. E.g.
<ul>
<li class="alternate"><a href="link">Link 1</a></li>
<li><...
How to escape single quotes within single quoted strings
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If you really want to use single quotes in the outermost layer, remember that you can glue both kinds of quotation. Example:
alias rxvt='urxvt -fg '"'"'#111111'"'"' -bg '"'"'#111111'"'"
# ^^^^^ ^^...
Is there a way to pass the DB user password into the command line tool mysqladmin?
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quotes are allowed too if password contains spaces, as in: -p'YOURPASSWORD HERE'
– Vigintas Labakojis
Jul 16 '15 at 10:10
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Django - how to create a file and save it to a model's FileField?
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In addition to this, I got an error if I don't specify the file mode while opening the file. So, f = open('/path/to/file', 'r') For ZIP kind of file, f = open('/path/to/file.zip', 'rb')
– rajagopalx
Dec 14 '17 at 19:43
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\d is less efficient than [0-9]
...or \d . I said it was probably more efficient to use a range or digit specifier than a character set.
5 Answers
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Pros and cons of AppSettings vs applicationSettings (.NET app.config / Web.config)
...o, over time, the <appSettings> can get rather convoluted and messy, if lots of parts of your app start putting stuff in there (remember the old windows.ini file? :-)).
If you can, I would prefer and recommend using your own configuration sections - with .NET 2.0, it's really become quite eas...