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String comparison in Python: is vs. == [duplicate]
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should never be read to mean
if x==y then x is y
It is a logical error on the part of the reader to assume that the converse of a logic statement is true. See http://en.wikipedia.org/wiki/Converse_(logic)
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Int division: Why is the result of 1/3 == 0?
...wo shorts will not be that easy :
short s = 1;
s = s + s; <- Compiling error
//possible loss of precision
// required: short
// found: int
This will required a casting with a possible loss of precision.
The same is true for the floating point operators
If at least one of the operand...
How to convert a string from uppercase to lowercase in Bash? [duplicate]
...efore variable name (${$y,,} instead of ${y,,}), which results in the same error as when bash version is too low (you can check it with 'bash --version').
– BartekM
Oct 17 '16 at 12:15
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Reusing output from last command in Bash
...nside is that it will execute a command twice: once to redirect output and error to /tmp/out.log and once normally. Probably there is some way to prevent this behavior as well.
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How do I create a file AND any folders, if the folders don't exist?
...s recursively and if the directory already exist it will return without an error.
If there happened to be a file Foo at C:\Temp\Bar\Foo an exception will be thrown.
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Including an anchor tag in an ASP.NET MVC Html.ActionLink
...r name is incorrect, run-time exceptions will occur, rather than a compile errors.
– R. Schreurs
Jan 25 '13 at 12:26
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How to remove non-alphanumeric characters?
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There's still an error in this, the character classes need to be terminated with ':]' so the correct line would be: preg_replace("/[^[:alnum:][:space:]]/ui", '', $string);
– h00ligan
Nov 17 '14 at 14:03...
Get Substring - everything before certain char
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Please do them a favor and add error checking as well assuming he plans to make a function out of this :)
– Josh
Dec 7 '09 at 2:51
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Using MVC HtmlHelper extensions from Razor declarative views
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For the benefit of searchers, I got the same error when creating MVC views as part of a class library (for component re-use). The solution, partially alluded to above, was to add the following using statements at the top of the .cshtml file:
@using System.Web.Mvc
@usin...
Get list of a class' instance methods
... When i try print TestClass.new.instance_methods, i get this error my_class.rb:10:in <main>: undefined method instance_methods for #<TestClass:0x96b9d20> (NoMethodError)
– Vladimir Tsukanov
Jun 24 '11 at 14:04
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