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How do you check “if not null” with Eloquent?

...lly here 'and' does nothing but it would do if first parameter would be an array. Here is the method prototype : public function where($column, $operator = null, $value = null, $boolean = 'and'); and location - ".....\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php" ...
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Is there a way to select sibling nodes?

...//codepen.io/anon/pen/LLoyrP?editors=1011 Get the parent's children as an array, filter out this element. Edit: And to filter out text nodes (Thanks pmrotule): var siblings = n => [...n.parentElement.children].filter(c=>c.nodeType == 1 && c!=n) ...
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Better way to get type of a Javascript variable?

... The regex would also need to include numbers for things like Uint8Array. Instead, consider the more general match(/\s([^\]]+)/) which should handle anything. – Lily Finley Jan 19 '15 at 22:43 ...
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Difference between Divide and Conquer Algo and Dynamic Programming

...ult of each sub-problem is stored in a table ( generally implemented as an array or a hash table) for future references. These sub-solutions may be used to obtain the original solution and the technique of storing the sub-problem solutions is known as memoization. You may think of DP = recursion + ...
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MySQL query to get column names?

I'd like to get all of a mysql table's col names into an array in php? 21 Answers 21 ...
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How to capitalize the first letter in a String in Ruby

...is not relevant at all - there is nothing that prevents upcase returing an array, say ['I', 'İ'] for 'i'.upcase, and letting the caller decide which capitalization is relevant in a given situation. Currently the Ruby's handling of conversion between upper- and lowercase is broken, and that's it. ...
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Using NumberPicker Widget with Strings

... NumberPicker numberPicker = new NumberPicker(this); String[] arrayString= new String[]{"hakuna","matata","timon","and","pumba"}; numberPicker.setMinValue(0); numberPicker.setMaxValue(arrayString.length-1); numberPicker.setFormatter(new NumberPicker.Formatter() { @Override public S...
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What is java interface equivalent in Ruby?

...ded to. This is very useful in unit tests, where you can simply pass in an Array or a String instead of a more complicated Logger, even though Array and Logger do not share an explicit interface apart from the fact that they both have a method called <<. Another example is StringIO, which impl...
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How to iterate over arguments in a Bash script

..., then you sometimes need non-standard tools to assist. (Or you should use arrays, carefully: "${array[@]}" behaves analogously to "$@".) Example: $ mkdir "my dir" anotherdir $ ls anotherdir my dir $ cp /dev/null "my dir/my file" $ cp /dev/null "anotherdir/myfile" $ ls...
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How to format a JavaScript date

... this, you can use DateTimeFormat#formatToParts. You could destructure the array, but that is not ideal, as the array output depends on the locale: // example 1 const o_date_en = new Intl.DateTimeFormat('en'); const a_date_en = o_date_en.formatToParts(); // example 2 const o_date_hi = new Intl.D...