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How do I check if a number evaluates to infinity?

...ine but it won't be so obvious to maintainers of your code what you're actually trying to test for. I agree that using isFinite is almost always the better way to do things -- that's why I mentioned it in my answer -- but only the OP can decide whether it meets their requirements. ...
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Get value from SimpleXMLElement Object

... i can't believe this is so complicated. why would they make a class called "getName" but not "getValue"? why would they print empty string if you printed it instead of converted it manually to (string). WHY?? – user151496 Oct 17 '16 at 12:31 ...
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Paste in insert mode?

... where register can be: + for the clipboard, * for the X clipboard (last selected text in X), " for the unnamed register (last delete or yank in Vim), or a number of others (see :h registers). Ctrl-R {register} inserts the text as if it were typed. Ctrl-R Ctrl-O {register} inserts the text wit...
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Case sensitive Cmd+D in Sublime Text 2

In ST2 ⌘+D expands the selection to the next word, using case insensitive matching. Is it possible to match the word case sensitive? ...
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What does the Ellipsis object do?

While idly surfing the namespace I noticed an odd looking object called Ellipsis , it does not seem to be or do anything special, but it's a globally available builtin. ...
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Principles for Modeling CouchDB Documents

...or instance). Managing the relationships or connections between various, smaller documents can be confusing at first, but CouchDB provides several options for combining disparate pieces into single responses. The first big one is view collation. When you emit key/value pairs into the results of a m...
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How to list all tags along with the full message in git?

I want git to list all tags along with the full annotation or commit message. Something like this is close: 8 Answers ...
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When do we need curly braces around shell variables?

...xpand the variable identified by foobar. Curly braces are also unconditionally required when: expanding array elements, as in ${array[42]} using parameter expansion operations, as in ${filename%.*} (remove extension) expanding positional parameters beyond 9: "$8 $9 ${10} ${11}" Doing this every...
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Check if a string is null or empty in XSLT

... How can I translate <xsl:for-each select="root/*[matches(name(.), 'grp')]"> so it can be used in VS2010? – Si8 Oct 28 '15 at 17:21 ...
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PHP: exceptions vs errors?

... Exceptions are thrown - they are intended to be caught. Errors are generally unrecoverable. Lets say for instance - you have a block of code that will insert a row into a database. It is possible that this call fails (duplicate ID) - you will want to have a "Error" which in this case is an "Exc...