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MySQL - Using COUNT(*) in the WHERE clause
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MSSQL gives "invalid column name" parse error for num. +1 anyway for the clean syntax (could be my setup, or ms... ahh well).
– samis
Jun 13 '17 at 14:04
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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...
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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How to write a scalable Tcp/Ip based server
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catch (Exception e)
{
throw new ApplicationException("Error occured while binding socket, check inner exception", e);
}
try
{
//warning, only call this once, this is a bug in .net 2.0 that breaks if
// you're running multiple asynch accepts, this bug m...
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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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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