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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...l5.php'); $objPHPExcel = new PHPExcel(); $objPHPExcel->setActiveSheetIndex(0); $sheet = $objPHPExcel->getActiveSheet(); $row = '1'; $col = "A"; foreach($export_data as $row_cells) { if(!is_array($row_cells)) { continue; } foreach($row_cel...
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What underlies this JavaScript idiom: var self = this?

...meprop || 'defaultprop'; document.addEventListener('click', (event) => { alert(that.someprop); }); } new MyConstructor({ someprop: "Hello World" }); share | improve thi...
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UICollectionView inside a UITableViewCell — dynamic height?

... Yes -> Are you talking of responding differently to layoutAttributesForItemAtIndexPath for different sections in my own custom subclass of UICollectionViewLayout? – Rivera May 4 '15 at 14:1...
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Converting String to Int with Swift

...ement like in this case. But one way to prevent the crash is to add a default value to the string: let a:Int? = Int(firstText.text ?? ""). – Jens Dec 8 '17 at 14:14 ...
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Changing Java Date one hour back

...1 ) Using java.time Java 8 and later has the new java.time framework built-in. Instant If you only care about UTC (GMT), then use the Instant class. Instant instant = Instant.now (); Instant instantHourEarlier = instant.minus ( 1 , ChronoUnit.HOURS ); Dump to console. System.out.println ( "...
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Test whether a list contains a specific value in Clojure

...s containing map, filter, remove, reduce, into, etc usually call for the ->> macro." But I guess the convention is more about functions that operate on sequences and return sequences. – John Wiseman Jun 6 '18 at 17:56 ...
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iOS 7.0 No code signing identities found

... My fix for this problem was: Xcode > Preferences. In Accounts click on your Apple ID. Click View Details, click on your projects Provisioning Profile (I think this helps) and click the refresh button bottom left. ...
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib

...5.7... faced this issue..... did Following steps 1. gem uninstall mysql2 > selected option 3 2. gem install mysql2 3. added this to gemfile of project ---> gem 'mysql2', '~> 0.3.21' 4. bundle install – Udit Kapahi Jun 23 '16 at 9:53 ...
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String literals and escape characters in postgresql

... \g or terminate with semicolon to execute query \q to quit milen=> create table EscapeTest (text varchar(50)); CREATE TABLE milen=> insert into EscapeTest (text) values ('This will be inserted \n This will not be'); WARNING: nonstandard use of escape in a string literal LINE 1: inser...
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What is fastest children() or find() in jQuery?

...e of the other answers dealt with the case of using .children() or .find(">") to only search for immediate children of a parent element. So, I created a jsPerf test to find out, using three different ways to distinguish children. As it happens, even when using the extra ">" selector, .find() ...