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How to configure PostgreSQL to accept all incoming connections

I've got a PostgreSQL data base that I'd like to configure to accept all incoming connections regardless of the source IP address. How can this be configured in the pg_hba.conf file? I'm using postgreSQL version 8.4. ...
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When exactly is it leak safe to use (anonymous) inner classes?

...y tough question. While you may think it is just one question, you are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss. Nested Classes: Introduction As I'm not sure how comfortab...
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Find all records which have a count of an association greater than zero

...unt > ?', 1) Inflection rule for vacancy may need to be specified manually? share | improve this answer | follow | ...
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Removing all empty elements from a hash / YAML?

How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file? 20 Answers ...
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Custom attributes in styles.xml

...ither. If you don't have the custom namespace xmlns attribute, you can actually type in any value you like for the item name attribute and it will compile. – David Snabel-Caunt Dec 19 '11 at 8:56 ...
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Javascript: best Singleton pattern [duplicate]

...lution found: http://code.google.com/p/jslibs/wiki/JavascriptTips#Singleton_pattern function MySingletonClass () { if (arguments.callee._singletonInstance) { return arguments.callee._singletonInstance; } arguments.callee._singletonInstance = this; this.Foo = function () { // ... ...
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How to do a Jquery Callback after form submit?

... And if the <form> is submited usually ? (I mean not with Ajax) What can I put in the first argument of .bind() ? EDIT : well, I guess click. Nvm, sorry. :p – 4wk_ Feb 4 '13 at 13:32 ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
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Removing path and extension from filename in powershell

...ng results. strTestPath = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD\PathStringInfo.ps1 GetDirectoryName = C:\Users\DAG\Documents\Articles_2018\NTFS_File_Times_in_CMD GetFileName = PathStringInfo.ps1 GetExtension = .ps1 Get...
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Can an enum class be converted to the underlying type?

... I think you can use std::underlying_type to know the underlying type, and then use cast: #include <type_traits> //for std::underlying_type typedef std::underlying_type<my_fields>::type utype; utype a = static_cast<utype>(my_fields::field);...