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Common MySQL fields and their appropriate data types
...g up a very small MySQL database that stores, first name, last name, email and phone number and am struggling to find the 'perfect' datatype for each field. I know there is no such thing as a perfect answer, but there must be some sort of common convention for commonly used fields such as these. For...
What is the leading LINQ for JavaScript library? [closed]
... really the same as linq to objects. (If it was, why would we need both Rx and Linq to Objects in .NET?) It works in the opposite direction to normal Linq in terms of the flow of data.
– Daniel Earwicker
Mar 23 '10 at 8:24
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What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
7
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How to atomically delete keys matching a pattern using Redis
...ing: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
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How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
3
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Manipulating an Access database from Java without ODBC
... .mdb file) from my Java project. I don't want to use the JDBC-ODBC Bridge and the Access ODBC driver from Microsoft because:
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What's the difference between `on` and `live` or `bind`?
... vs delegate. In future versions of jQuery, these methods will be removed and only on and one will be left.
Examples:
// Using live()
$(".mySelector").live("click", fn);
// Equivalent `on` (there isn't an exact equivalent, but with good reason)
$(document).on("click", ".mySelector", fn);
// ...
Getter and Setter declaration in .NET [duplicate]
...s wondering what were the differences between those declaration of getters and setters and if there is a preferred method (and why). The first one can be generated automaticly by Visual Studio. How about the others ? Thanks
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Xcode without Storyboard and ARC
i have downloaded new xcode-5 and just started using it.
6 Answers
6
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How to calculate cumulative normal distribution?
...f(-1.96)
0.024997895148220435
In other words, approximately 95% of the standard normal interval lies within two standard deviations, centered on a standard mean of zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.9599999999999991)
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