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What is reflection and why is it useful?

...ion API to print out every field name and value. import java.lang.reflect.Array; import java.lang.reflect.Field; public static String dump(Object o, int callCount) { callCount++; StringBuffer tabs = new StringBuffer(); for (int k = 0; k < callCount; k++) { tabs.append("\t");...
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AngularJS : How to watch service variables?

...ected. These two possibilities are: aService.foo is getting set to a new array each time, causing the reference to it to be outdated. aService.foo is being updated in such a way that a $digest cycle is not triggered on the update. Problem 1: Outdated References Considering the first possibil...
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PHP - Debugging Curl

... Output debug info to STDERR: $curlHandler = curl_init(); curl_setopt_array($curlHandler, [ CURLOPT_URL => 'https://postman-echo.com/get?foo=bar', CURLOPT_RETURNTRANSFER => true, /** * Specify debug option */ CURLOPT_VERBOSE => true, ]); curl_exec($curlHandl...
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Change values while iterating

... 1st value 2nd value (if 2nd variable is present) array or slice a [n]E, *[n]E, or []E index i int a[i] E So, range uses a[i] as its second value for arrays/slices, which effectively means that the value is copied, making the original value untouchabl...
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PHP cURL HTTP CODE return 0

... <?php $html_brand = "www.google.com"; $ch = curl_init(); $options = array( CURLOPT_URL => $html_brand, CURLOPT_RETURNTRANSFER => true, CURLOPT_HEADER => true, CURLOPT_FOLLOWLOCATION => true, CURLOPT_ENCODING => "", CURLOPT_AUTORE...
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Extracting the last n characters from a ruby string

... You are missing .join - now it returns an array of strings. Instead it should be "123".split(//).last(5).join (Ruby 2.0.0) – Pavel Nikolov Jul 10 '13 at 13:47 ...
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Check/Uncheck checkbox with JavaScript (jQuery or vanilla)?

... You really don't need the array index if you are only selecting one element. But I guess if you want to be explicit. haha – Rizowski Apr 22 '15 at 18:46 ...
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Format Date time in AngularJS

...a date. You can force it using new Date, but that is a bit of a pain on an array. Since you can pipe filters together, you might be able to use a filter to convert your input to a date and then apply the date: filter on the converted date. Create a new custom filter as follows: app .filter("asDate"...
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Remove characters after specific character in string, then remove substring?

...d that URL into Uri uri, and then access uri.Segments. That will return an array, and "somepage.aspx" will be the last item. – Anthony Pegram Apr 19 '12 at 12:15 1 ...
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Pretty-Print JSON Data to a File using Python

... using this, arrays are listed out as many lines of each value, it'd be nice to keep the array on one line. – scape Dec 15 '12 at 2:07 ...