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Rails: Why does find(id) raise an exception in rails? [duplicate]
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I think the reason for raising the error is so the base controller can catch it and show show the 404 page. If you hit /widgets/2 and there is no widget with id==2, then you get a 404, which IMO makes sense.
– Sammy Larbi
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How to remove all white spaces in java [duplicate]
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java.lang.String class has method substring not substr , thats the error in your program.
Moreover you can do this in one single line if you are ok in using regular expression.
a.replaceAll("\\s+","");
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How to comment lines in rails html.erb files? [duplicate]
...of each starting bracket as we usually do like this:
<%# if flash[:myErrors] %>
<%# if flash[:myErrors].any? %>
<%# if @post.id.nil? %>
<%# if @myPost!=-1 %>
<%# @post = @myPost %>
<%# else %>
<%# @post = Post.ne...
How to merge YAML arrays?
...le? I tried something based on your solution, but get always an validation error.
– niels
Nov 28 '19 at 17:20
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Extract a regular expression match
...,perl=TRUE)
[1] "12"
Trying to substitute out non-digits will lead to an error in this case.
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Index of Currently Selected Row in DataGridView
...innang when you have selected no row, @JayRiggs' solution will throw index error two. You'd better wrapped it with a if
– Allan Ruin
Mar 11 '15 at 1:22
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Android Json and null values
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}
catch(Exception ex) {
LogHelper.e("model", "Error parsing value");
return null;
}
}
and then something like this:
String mFirstName = getJsonString(jsonObject, "first_name");
would give you your string value or safely set your string variable t...
How to show disable HTML select option in by default?
... You should set the value="" so if you also have required then an error will be raised to choose from the dropdown, otherwise a empty value gets passed even though nothing was selected. <option selected="true" disabled="disabled" value="">Choose Tagging</option>
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In what cases could `git pull` be harmful?
...s and when a fast-forward merge isn't possible, then Git will exit with an error. This will give you an opportunity to study the incoming commits, think about how they might affect your local commits, and decide the best course of action (merge, rebase, reset, etc.).
With Git 2.0 and newer, you ca...
Cannot lower case button text in android studio
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After adding this, i am having inflation error with arrayindexoutofboundsexception.
– M. Usman Khan
Feb 10 '16 at 16:00
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