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Why are C# 3.0 object initializer constructor parentheses optional?

... very small. Basically just various statement contexts, statement lambdas, array initializers and that's about it. It's easy to reason through all the cases and show that there's no ambiguity. Making sure the IDE stays efficient is somewhat harder but can be done without too much trouble. This sor...
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?

...l files and folders in the path. function recurseRmdir($dir) { $files = array_diff(scandir($dir), array('.','..')); foreach ($files as $file) { (is_dir("$dir/$file")) ? recurseRmdir("$dir/$file") : unlink("$dir/$file"); } return rmdir($dir); } ...
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How do I deep copy a DateTime object?

... int & 'timezone' => string. Since it doesn't appear to contain any arrays or objects, just basic scalars, a shallow clone should be fine. – CJ Dennis Jan 25 '17 at 2:14 ...
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Create table with jQuery - append

...se ALL jQuery. The each can loop through any data be it DOM elements or an array/object. var data = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight']; var numCols = 1; $.each(data, function(i) { if(!(i%numCols)) tRow = $('<tr>'); tCell = $('<td>').html(d...
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How do you specify that a class property is an integer?

...e more opaque types and use this again. type guard = <A>(f: (...ns: Array<A>) => A, ...ns: Array<A>) => A const guard: guard = (f, ...ns) => f(...ns) If you try to call that with a number const bad: integer = guard((a, b) => a + b as integer, myCoolInteger, 10) yo...
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Python SQL query string formatting

... you could put the field names into an array "fields", and then: sql = 'select %s from table where condition1=1 and condition2=2' % ( ', '.join(fields)) share | ...
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How to split one string into multiple variables in bash shell? [duplicate]

...2" 123456 Edit: Here is how you can read each individual character into array elements: $ read -a foo <<<"$(echo "ABCDE-123456" | sed 's/./& /g')" Dump the array: $ declare -p foo declare -a foo='([0]="A" [1]="B" [2]="C" [3]="D" [4]="E" [5]="-" [6]="1" [7]="2" [8]="3" [9]="4" [10...
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How to generate a create table script for an existing table in phpmyadmin?

...t the create code for '.$table_to_copy); $newCreateSql = preg_replace(array( '@CREATE TABLE `'.$table_to_copy.'`@', '@KEY `'.$table_to_copy.'(.*?)`@', '@CONSTRAINT `'.$table_to_copy.'(.*?)`@', '@AUTO_INCREMENT=(.*?) @', ), array( 'CREATE TABLE `'.$new...
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Easy pretty printing of floats in python?

...you wrote your example in raw Python lists, but if you decide to use numpy arrays instead (which would be perfectly legit in your example, because you seem to be dealing with arrays of numbers), there is (almost exactly) this command you said you made up: import numpy as np np.set_printoptions(prec...
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Sending email with PHP from an SMTP server

...lo world! this is the content of the email"; //content of mail $headers = array( 'From' => $from, 'To' => $to, 'Subject' => $subject ); $smtp = Mail::factory('smtp', array( 'host' => 'ssl://smtp.gmail.com', 'port' => '465', 'auth' => true, ...