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How to express infinity in Ruby?
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No keyword, but 1.9.2 has a constant for this:
>> Float::INFINITY #=> Infinity
>&g...
Does MySQL foreign_key_checks affect the entire database?
... This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or globally:
SET GLOBAL FOREIGN_KEY_CHECKS=0;
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In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
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You can use active_support's ordinalize helper method on numbers.
>> 3.ordinalize
=>...
How is OAuth 2 different from OAuth 1?
...uth 2.0. To summarize, here are the key differences:
More OAuth Flows to allow better support for non-browser based applications. This is a main criticism against OAuth from client applications that were not browser based. For example, in OAuth 1.0, desktop applications or mobile phone applicati...
Use JavaScript to place cursor at end of text in text input element
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Works in Chrome now (9.0.597.98)
– Matt
Feb 28 '11 at 10:05
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How does OpenID authentication work?
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What is OpenID?
OpenID is an open, decentralized, free framework for user-centric digital iden...
What does $NON-NLS-1$ mean?
...pse can be configured to detect string literals, so that you don't accidentally have leave unexternalized UI strings in the code; however, there are strings which should not be externalized (such as regexps) and so, //$NON-NLS-1$ gives you a way to communicate that fact to the compiler.
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Differences between “java -cp” and “java -jar”?
...the first version to start a java application just because it has less pitfalls ("welcome to classpath hell"). The second one requires an executable jar file and the classpath for that application has to be defined inside the jar's manifest (all other classpath declaration will be silently ignored.....
Too many 'if' statements?
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@JoeHarper "Theoretically" is one thing, "practically" is another. Of course I try to use descriptive naming (with the exception of the i/j/k convention for loop variables), named constants, arranging my code in a readable fashion, etc., but when...
Get current batchfile directory
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System read-only variable %CD% keeps the path of the caller of the batch, not the batch file location.
You can get the name of the batch script itself as typed by the user with %0 (e.g. scripts\mybatch.bat). Parameter extensions can be applied to this so %~dp0 will return the D...