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How to retrieve the current value of an oracle sequence without increment it?
Is there an SQL instruction to retrieve the value of a sequence that does not increment it.
6 Answers
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What is the motivation for bringing Symbols to ES6?
...ome other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate things in JS with that.
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Read stream twice
How do you read the same inputstream twice? Is it possible to copy it somehow?
10 Answers
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How can I make SQL case sensitive string comparison on MySQL?
...unction that returns five characters with mixed case. If I do a query on this string it will return the value regardless of case.
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Detect if stdin is a terminal or pipe?
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Use isatty:
#include <stdio.h>
#include <io.h>
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if (isatty(fileno(stdin)))
printf( "stdin is a terminal\n" );
else
printf( "stdin is a file or a pipe\n");
(On windows they're prefixed with underscore...
Can you make valid Makefiles without tab characters?
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This is a syntax oddity/requirement of make, it has nothing to do with Mac OS X. Unfortunately, there's nothing you can do about it if you are going to use make.
Edit: GNU Make now supports a custom recipe prefix. See this a...
ASP.NET MVC JsonResult Date Format
... trick in the javascript representation of strings: the string literal "/" is the same as "\/", and a string literal will never get serialized to "\/" (even "\/" must be mapped to "\\/").
See http://msdn.microsoft.com/en-us/library/bb299886.aspx#intro_to_json_topic2 for a better explanation (scroll...
What is the exact meaning of IFS=$'\n'?
...ackslash followed by the letter n (in the other two cases).
$'somestring' is a syntax for string literals with escape sequences. So unlike '\n', $'\n' actually is a linebreak.
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Exception.Message vs Exception.ToString()
I have code that is logging Exception.Message . However, I read an article which states that it's better to use Exception.ToString() . With the latter, you retain more crucial information about the error.
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IOS: verify if a point is inside a rect
Is there a way to verify if a CGPoint is inside a specific CGRect .
8 Answers
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