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Learning Regular Expressions [closed]

...ore characters, and terminated by a right-parenthesis. If your input is '(123) (456)', then the first capture will be '123'. Non-greedy quantifiers want to allow the rest of the pattern to start matching as soon as possible. (As to your confusion, I don't know of any regular-expression dialect whe...
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Set Value of Input Using Javascript Function

... Mark Amery 98.8k4848 gold badges336336 silver badges379379 bronze badges answered Jun 22 '16 at 19:11 BSounderBS...
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send/post xml file using curl command line

...lt;/Expiry_Date^> ^ ^<VerificationStr2^>123^</VerificationStr2^> ^ ^<CVD_Presence_Ind^>1^</CVD_Presence_Ind^> ^ ^<Reference_No^>Some Reference Text^</Reference_No^> ^ ^<Client_Email^>j...
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How to design a multi-user ajax web application to be concurrently safe

...x is acquired Server receives "Hey, I know artifact x's state from version 123, let me set it to value foo pls." If the Serverside version of artifact x is equal (can not be less) than 123 the new value is accepted, a new version id of 124 generated. The new state-information "updated to version 124...
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Get css top value as number not as string?

...css(prop)) || 0; }; Usage: $('#elem').cssInt('top'); // e.g. returns 123 as an int $('#elem').cssFloat('top'); // e.g. Returns 123.45 as a float Test fiddle on http://jsfiddle.net/TrueBlueAussie/E5LTu/ share ...
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How to capitalize the first letter in a String in Ruby

..."hello".capitalize #=> "Hello" "HELLO".capitalize #=> "Hello" "123ABC".capitalize #=> "123abc" share | improve this answer | follow | ...
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Determine the data types of a data frame's columns

...7.6, 167.6... $ hp <dbl> 110, 110, 93, 110, 175, 105, 245, 62, 95, 123, 123, 180, 180, 180, 205, 215... $ drat <dbl> 3.90, 3.90, 3.85, 3.08, 3.15, 2.76, 3.21, 3.69, 3.92, 3.92, 3.92, 3.07, 3.0... $ wt <dbl> 2.620, 2.875, 2.320, 3.215, 3.440, 3.460, 3.570, 3.190, 3.150, 3.440, 3...
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Why is string concatenation faster than array join?

...and maybe other. a = { nodeA: 'abc', nodeB: 'def' } And b = a.concat('123') b = { nodeA: a, /* { nodeA: 'abc', nodeB: 'def' } */ nodeB: '123' } So in the simplest case the VM has to do nearly no work. The only problem is that this slows down...
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Find element's index in pandas Series

... [122]: myseries = pd.Series([1,7,0,7,5], index=['a','b','c','d','e']) In [123]: list(myseries[myseries==7].index) Out[123]: ['b', 'd'] share | improve this answer | follow ...
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist

...Doe', address: { city: 'NY', street: 'Eighth Avenu', number: 123 } }; var instructions = dot.flatten(person) console.log(instructions); /* { $set: { 'firstName': 'John', 'lastName': 'Doe', 'address.city': 'NY', 'address.street': 'Eighth Avenu', 'address.numb...