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What is hashCode used for? Is it unique?
...the Hashtable object is constructed. Prior to the .NET Framework
version 2.0, the hash code provider was based on the
System.Collections.IHashCodeProvider interface. Starting with version
2.0, the hash code provider is based on the
System.Collections.IEqualityComparer interface.
Basically,...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
...nished my check on INNODB from 10 checks I can tell that it's 26(2query) against 9.2(1 query) SELECT SQL_CALC_FOUND_ROWS tblA.*, tblB.id AS 'b_id', tblB.city AS 'b_city', tblC.id AS 'c_id', tblC.type AS 'c_type', tblD.id AS 'd_id', tblD.extype AS 'd_extype',...
Is there a Null OutputStream in Java?
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here alvinalexander.com/java/jwarehouse/commons-io-2.0/src/main/java/…
– Aftershock
Sep 2 '14 at 11:06
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Regular Expression to match only alphabetic characters
...dia.org/wiki/Regular_expression#Character_classes
http://ruby-doc.org/core-2.0/Regexp.html
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iOS: How to get a proper Month name from a number?
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Swift 2.0
let monthName = NSDateFormatter().monthSymbols[monthNumber - 1]
Swift 4.0
let monthName = DateFormatter().monthSymbols[monthNumber - 1]
shar...
AssertContains on strings in jUnit
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use fest assert 2.0 whenever possible EDIT: assertj may have more assertions (a fork)
assertThat(x).contains("foo");
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What's the opposite of chr() in Ruby?
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If String#ord didn't exist in 1.9, it does in 2.0:
"A".ord #=> 65
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How to implement a rule engine?
... Expression.
NOTE: there is a limitation that your expression must be .NET 2.0 (no lambdas or other C# 3.0 features) due to a limitation in CodeDOM.
Here is some sample code for that.
sb.AppendLine(string.Format("\tpublic class {0} : SomeCompany.ComponentModel.IDataRule<{1}>", className, typ...
Is it possible in Java to access private fields via reflection [duplicate]
... Nice correction. (See Guideline 6-4 of Secure Coding Guidelines Version 2.0 for the Java Programming Language: java.sun.com/security/seccodeguide.html )
– Tom Hawtin - tackline
Oct 12 '09 at 18:03
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List Git aliases
...to yield lines starting with alias in case some configurations somehow contains keyword alias: git config --list | grep -E '^alias'
– MasterMind
Feb 2 '18 at 10:19
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