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Is floating-point math consistent in C#? Can it be?
...n at my company hosts the CLR runtime as a native C++ application (so does SQL Server). I suggest you google CorBindToRuntimeEx.
– Jonathan Dickinson
Aug 3 '11 at 10:02
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Convert columns to string in Pandas
I have the following DataFrame from a SQL query:
5 Answers
5
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Null vs. False vs. 0 in PHP
... a data value that doesn't exist in the database or is unknown. See dev.mysql.com/doc/refman/5.0/en/working-with-null.html or en.wikipedia.org/wiki/Null_%28SQL%29.
– Eli
Dec 5 '12 at 3:39
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What makes Lisp macros so special?
...you could write a macro that lets you say something like:
(setvar *rows* (sql select count(*)
from some-table
where column1 = "Yes"
and column2 like "some%string%")
And thats not even getting into Reader macros.
Hope this helps.
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Types in MySQL: BigInt(20) vs Int(20)
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See http://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
INT is a four-byte signed integer.
BIGINT is an eight-byte signed integer.
They each accept no more and no fewer values than can be stored in their respective number of byte...
phpunit mock method multiple calls with different arguments
...is class has method called "Query ( string $query )", that method takes an SQL query string on input. Can I create mock for this class (DB) and set different return values for different Query method calls that depends on input query string?
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Decompressing GZip Stream from HTTPClient Response
... dataset into a table with columns that were mapped to the JSON I utilized SQL bulk copy and the following class
public class insert
{
public static string insertCategories(DataTable table)
{
SqlConnection objConnection = new SqlConnection();
//As specified in the Ap...
How to build Qt for Visual Studio 2010
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This is great, but I would add -qt-sql-sqlite to the configure flags if you don't want to have problems with your custom-built Qt Assistant. Seems like it needs this plugin to read the documentation databases successfully.
– neuviemeporte...
How do I join two SQLite tables in my Android application?
...valueOf(propertyId)});
Use ? bindings instead of putting values into raw sql query.
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Count, size, length…too many choices in Ruby?
... work.
post.comments.count - Determine the number of elements with an SQL
COUNT query. You can also specify conditions to count only a subset of
the associated elements (e.g. :conditions => {:author_name =>
"josh"}). If you set up a counter cache on the association, #count
will re...