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How to detect if URL has changed after hash in JavaScript
...e that there's no native support for this...
– wasddd_
Nov 14 '18 at 18:33
1
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How do I find a default constraint using INFORMATION_SCHEMA?
...I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
14 Answers
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What is the difference between UTF-8 and ISO-8859-1?
...
Unicode is actually 17 planes of 2^16 code points. 0x00_0000 to 0x1F_FFFF. The 17 planes can accommodate 1,114,112 code points. Of these, 2,048 are surrogates, 66 are non-characters, and 137,468 are reserved for private use, leaving 974,530 for public assignment.about 1 million. ...
Bash command to sum a column of numbers [duplicate]
...0s
user 2m26.230s
sys 0m0.660s
bash-2.03$ time perl -nle'
$s += $_; END { print $s }
' infile
1.249999925e+15
real 1m34.663s
user 1m33.710s
sys 0m0.650s
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Best way to specify whitespace in a String.Split operation
... edited Aug 28 at 8:38
AZ_
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answered May 24 '11 at 13:43
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How do I check if a directory exists? “is_dir”, “file_exists” or both?
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dont forget to check if is_writable also
– Drewdin
Mar 24 '11 at 21:46
10
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How to log something in Rails in an independent log file?
...t like the usual Rails logger:
class User < ActiveRecord::Base
def my_logger
@@my_logger ||= Logger.new("#{Rails.root}/log/my.log")
end
def before_save
my_logger.info("Creating user with name #{self.name}")
end
end
Here I used a class attribute to memoize the logger. This way ...
How do I get the currently displayed fragment?
...u should use a tag.
fragTrans.replace(android.R.id.content, myFragment, "MY_FRAGMENT");
...and later if you want to check if the fragment is visible:
MyFragment myFragment = (MyFragment)getSupportFragmentManager().findFragmentByTag("MY_FRAGMENT");
if (myFragment != null && myFragment.isVisi...
Merge / convert multiple PDF files into one PDF
...eir order is preserved by "*". If its not preserved, using ranges: filename_{0..9}.pdf solves it.
– lepe
Jan 5 '15 at 5:48
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How do I read an attribute on a class at runtime?
...fo) As TAttribute
Return info.GetCustomAttributes(GetType(TAttribute), _
False).FirstOrDefault()
End Function
' Example usage over PropertyInfo
Dim fieldAttr = GetAttribute(Of DataObjectFieldAttribute)(pInfo)
If fieldAttr IsNot Nothing AndAlso fieldAttr.Prima...