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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
...arrenwarren
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How to change users in TortoiseSVN
...e Jarvis
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answered Jul 20 '09 at 13:16
Raymond MartineauRaymond Martineau
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What is the most useful script you've written for everyday life? [closed]
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edited Nov 4 '19 at 12:35
community wiki
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Convert a Unix timestamp to time in JavaScript
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let unix_timestamp = 1549312452
// Create a new JavaScript Date object based on the timestamp
// multiplied by 1000 so that the argument is in milliseconds, not seconds.
var date = new Date(unix_timestamp * 1000);
// Hours part from the timestamp
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Reshaping data.frame from wide to long format
... 1952 10,058
7: AFG Afghanistan 1953 23,557
8: ALB Albania 1953 11,123
9: AFG Afghanistan 1954 24,555
10: ALB Albania 1954 12,246
Some alternative notations:
melt(setDT(wide), id.vars = 1:2, variable.name = "year")
melt(setDT(wide), measure.vars = 3:7, variable.name = "year")
melt...
Is there a download function in jsFiddle?
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edited Dec 5 '12 at 16:21
answered Mar 26 '12 at 9:51
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Placing border inside of div and not on its edge
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answered Mar 7 '12 at 12:22
sandeepsandeep
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How to ensure a form field is submitted when it is disabled?
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121
<select disabled="disabled">
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</select>
<input type="hidden" name="sele...
When is it better to use String.Format vs string concatenation?
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Jon SkeetJon Skeet
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What is the difference between string primitives and String objects in JavaScript?
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