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What is the best method of handling currency/money?
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You'll probably want to use a DECIMAL type in your database. In your migration, do something like this:
# precision is the total number of digits
# scale is the number of digits to the right of the decimal point
add_column :items, :price, :decimal, :precision => 8, :scale =&g...
How is location accuracy measured in Android?
...n is in developer.android.com and I have made some tests with the location based services in Android.
– vendor
Mar 26 '12 at 6:15
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How to find the length of a string in R
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As of 3.3.1 the base defaults are set to give nchar(NA) ## [1] NA : see nchar RDocumentation
– leerssej
Oct 11 '16 at 1:15
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BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
In WCF there are several different types of HTTP based bindings:
1 Answer
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Do you debug C++ code in Vim? How? [closed]
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Just to add a vim "like" debugger based off GDB - cgdb.github.io
– Jimmy MG Lim
Apr 3 '19 at 8:00
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Differences between ExpandoObject, DynamicObject and dynamic
...y doesn't ExpandoObject derive from DynamicObject, which looks the defacto base type for ruby's 'method_missing' based programming.
– Gishu
Jun 14 '12 at 6:26
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How to assign from a function which returns more than one value?
... with @merlin2011; as written it seems like this syntax is embedded into R base.
– knowah
Jun 3 '14 at 22:52
6
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git difftool, open all diff files immediately, not in serial
...me question was asked on the git mail list.
I put together a shell script based on that email thread which performs a directory diff between arbitrary commits.
Starting with git v1.7.10, the git-diffall script is included in the contrib of the standard git installation.
For versions before v1.7.1...
What is the difference between memoization and dynamic programming?
...elated sub-problems first, typically by filling up an n-dimensional table. Based on the results in the table, the solution to the "top" / original problem is then computed.
If you use memoization to solve the problem you do it by maintaining a map of already solved sub problems. You do it "top down...
How do I tokenize a string in C++?
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C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But what wou...