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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...mail and find_by_column_name methods. It converts the method you pass to a string and dissects it and tries to match it with your table's column names.
– bigpotato
Oct 16 '13 at 17:57
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Compare integer in bash, unary operator expected
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Judging from the error message the value of i was the empty string when you executed it, not 0.
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How do you perform a CROSS JOIN with LINQ to SQL?
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The same thing with linq extension methods:
var names = new string[] { "Ana", "Raz", "John" };
var numbers = new int[] { 1, 2, 3 };
var newList=names.SelectMany(
x => numbers,
(y, z) => { return y + z + " test "; });
foreach (var item in newList)
{
Console.WriteLine(...
Maven2 property that indicates the parent directory
...lt;source>
import java.io.File;
String p = project.properties['env-properties-file'];
File f = new File(p);
if (!f.exists()) {
f = new File("../" + p);
if (!f.exists())...
Java 8 Stream and operation on arrays
...ct, ... functions are provided.
Take a look at why-cant-i-map-integers-to-strings-when-streaming-from-an-array
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How do I get the current Date/time in DD/MM/YYYY HH:MM format?
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Converting to string then parsing is not ideal.
– Chuck Batson
Jun 10 '17 at 0:31
1
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Best way to turn an integer into a month name in c#?
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Why not just use somedatetime.ToString("MMMM")?
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What is the difference between gmake and make?
...$@ $< = no input sources with gmake because $< evaluates to an empty string. Worse combinations exist that can result in gcc clobbering files).
– Sean
May 24 '11 at 19:27
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MySQL: how to get the difference between two timestamps in seconds
...unction returns the internal timestamp value directly, with no implicit “string-to-Unix-timestamp” conversion.
Keep in mind that TIMEDIFF() return data type of TIME. TIME values may range from '-838:59:59' to '838:59:59' (roughly 34.96 days)
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Ruby: How to iterate over a range, but in set increments?
...g, passing each nth element to the block. If the range contains numbers or strings, natural ordering is used. Otherwise step invokes succ to iterate through range elements. The following code uses class Xs, which is defined in the class-level documentation.
range = Xs.new(1)..Xs.new(10)
range.step(...