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Copy a variable's value into another

...your top-level object. For example, given this object: var obj = { w: 123, x: { y: 456, z: 789 } }; If you do a shallow copy of that object, then the x property of your new object is the same x object from the original: var copy = $.extend( {}, obj ); copy.w = 321; co...
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Replace comma with newline in sed on MacOS?

... 123 sed 's/,/\ /g' works on Mac OS X. ...
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What is the exact meaning of IFS=$'\n'?

...cessary. Run new IFS in subshell to avoid overriding the default IFS: ar=(123 321); ( IFS=$'\n'; echo ${ar[*]} ) Besides I don't really believe you recover the old IFS fully. You should double quote it to avoid line breaking such as OLDIFS="$IFS". ...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... 123 I have the choice in between either having a bunch of mutexes or a single one for an object...
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Adding HTML entities using CSS content

...ppend an image, use "background-image" and display:inline-block; and width:123px; height:123px; (use exact width/height) – Nathan J.B. Oct 10 '13 at 4:42  |...
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how to read System environment variable in Spring applicationContext

...rop"); For a single property in a @Bean @Value("${my.another.property:123}") // value after ':' is the default Integer property; Another way are the handy @ConfigurationProperties beans: @ConfigurationProperties(prefix="my.properties.prefix") public class MyProperties { // value from my....
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Match whole string

...the following string: 'the first 3 letters of the alphabet are abc. not abc123' I think you would want to use \b (word boundaries): var str = 'the first 3 letters of the alphabet are abc. not abc123'; var pat = /\b(abc)\b/g; console.log(str.match(pat)); Live example: http://jsfiddle.n...
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How do I create a readable diff of two spreadsheets using git diff?

...sxd OpenOffice.org .odt/.ods/.odp/.odg Open Document .wj2/wj3/wk3/wk4/123 Lotus 123 .wri Windows3.1 Write .pdf Adobe PDF .mht Web Archive .eml Exported files from OutlookExpress Regard, Andres share ...
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What does $1 [QSA,L] mean in my .htaccess file?

..."/page.php?page=$1" [QSA] With the [QSA] flag, a request for /pages/123?one=two will be mapped to /page.php?page=123&one=two share | improve this answer | ...
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Format Float to n decimal places

...ed the result is a float number, not a string. – seba123neo Mar 4 '11 at 18:29 Are you saying you want to round the fl...