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What does send() do in Ruby?
..., those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable before send, that means that the global Object is used:
send :to_s # "main"
send :class ...
setting multiple column using one update
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Just add parameters, split by comma:
UPDATE tablename SET column1 = "value1", column2 = "value2" ....
See also: mySQL manual on UPDATE
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Does a view exist in ASP.NET MVC?
...se this across multiple controller actions, building on the solution given by Dave, you can define a custom view result as follows:
public class CustomViewResult : ViewResult
{
protected override ViewEngineResult FindView(ControllerContext context)
{
string name = SomeMethodToGetVie...
Regex not operator
...e very end of your regex!). Then after I matched that, I end the lookahead by using an unescaped ).
– Joachim Sauer
Sep 6 '11 at 9:13
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How to convert float to varchar in SQL Server
... varchar as I need to display NA when NULL and 0 as it is. I achieved this by adding CASE statement in the query as below; CASE WHEN float_field IS NULL THEN 'NA' WHEN float_field = 0 THEN '0' ELSE CONVERT(VARCHAR, float_field, 128) END AS float_As_VChar
– fujiFX
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AJAX post error : Refused to set unsafe header “Connection”
...quest isn't allowed to set these headers, they are being set automatically by the browser. The reason is that by manipulating these headers you might be able to trick the server into accepting a second request through the same connection, one that wouldn't go through the usual security checks - that...
Mockito matcher and array of primitives
With Mockito, I want to verify() a method call with byte[] in its argument list, but I didn't find how to write this.
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Intellij shortcut to convert code to upper or lower case?
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@Trenton - if you're using Ubuntu CTRL+SHIFT+U by default is used for Unicode input thus you're seeing the letter u. If you don't use it you should probably unbind it (looks like it's not so easy askubuntu.com/questions/367646/…) or define a new shortcut for this action...
Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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Where do gems install?
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Note that by console he means terminal or cmd. Not the rails console.
– Sorry-Im-a-N00b
Sep 21 '13 at 15:10
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