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Add a new line in file?

I want to add a new line after a string is inserted. 2 Answers 2 ...
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

...>> sum([True, True, False], False) 2 With the notable exception of strings: >>> sum(['123', '345', '567'], '') Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: sum() can't sum strings [use ''.join(seq) instead] ...
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Custom exception type

...ailto:sysadmin@acme-widgets.com\">system administrator</a>.", toString: function(){return this.name + ": " + this.message;} }; share | improve this answer | ...
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Convert php array to Javascript

...oore - if you're going to be pedantic about it, json_encode outputs a JSON string, which can represent either a JS object or a JS array, or even a single scalar value, if that's what you pass it. The examples in my answer will output a JavaScript array, not an object. – Spudley...
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For each row in an R dataframe

...fication: for (well in rows(dataFrame)) { wellName <- well$name # string like "H1" plateName <- well$plate # string like "plate67" wellID <- getWellID(wellName, plateName) cat(paste(wellID, well$value1, well$value2, sep=","), file=outputFile) } ...
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How to clone an InputStream?

...re. Shouldn't your method call IOUtils with the protected stream IOUtils.toString(csContent,charset)? – Anthony Accioly May 7 '11 at 21:41 ...
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Mercurial stuck “waiting for lock”

...must make sure nothing else is accessing the repository. (If the lock is a string of zeros or blank, this is almost certainly true). share | improve this answer | follow ...
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Facebook Graph API, how to get users email?

...o this if you are using Facebook connect by passing scope=email in the get string of your call to the Auth Dialog. I'd recommend using an SDK instead of file_get_contents as it makes it far easier to perform the Oauth authentication. ...
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What is the difference between `let` and `var` in swift?

...This is not immediately obvious from basic examples involving integers and strings. – SaltyNuts Apr 27 '15 at 15:56  |  show 12 more comments ...
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Programmatically access currency exchange rates [closed]

... . '=?' . $to_code; $response = file_get_contents($temp); $result_string = explode('"', $response); $final_result = $result_string['3']; $float_result = preg_replace("/[^0-9\.]/", '', $full_result); return $float_result; } I'm sure it's far from the most elegant way to do t...