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PostgreSQL: Difference between text and varchar (character varying)
...tailed testing to show that the performance of inserts and selects for all 4 data types are similar. It also takes a detailed look at alternate ways on constraining the length when needed. Function based constraints or domains provide the advantage of instant increase of the length constraint, and o...
How to select a CRAN mirror in R
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answered Jul 14 '12 at 23:38
betabandidobetabandido
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How to configure XAMPP to send mail from localhost?
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You can send mail from localhost with sendmail package , sendmail package is inbuild in XAMPP.
S...
How do I analyze a .hprof file?
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answered Oct 9 '08 at 4:41
CowanCowan
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Properly removing an Integer from a List
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Java always calls the method that best suits your argument. Auto boxing and implicit upcasting i...
Good tutorial for using HTML5 History API (Pushstate?) [closed]
...L5 browsers (making it inconsistent and buggy) and has no fallback for HTML4 browsers. Fortunately, History.js provides cross-compatibility for the HTML5 browsers (ensuring all the HTML5 browsers work as expected) and optionally provides a hash-fallback for HTML4 browsers (including maintained suppo...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
...Any ideas?
– Nathan
Nov 23 '11 at 3:43
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How to convert a Bitmap to Drawable in android?
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Yasin Kaçmaz
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answered Mar 10 '10 at 11:17
Graeme DuncanGraem...
Rails Model, View, Controller, and Helper: what goes where?
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edited Sep 15 '08 at 14:48
James A. Rosen
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mysql update column with value from another table
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In addition to this answer if you need to change tableB.value according to tableA.value dynami...