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Is APC compatible with PHP 5.4 or PHP 5.5?

...hp 5.4 release (I wish they would have included APC in PHP core like originally planned). 14 Answers ...
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Accurate way to measure execution times of php scripts

...otime — Return current Unix timestamp with microseconds If get_as_float is set to TRUE, then microtime() returns a float, which represents the current time in seconds since the Unix epoch accurate to the nearest microsecond. Example usage: $start = microtime(true); while (...) { } $...
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how to return index of a sorted list? [duplicate]

...ray([2,3,1,4,5]) >>> vals array([2, 3, 1, 4, 5]) >>> sort_index = numpy.argsort(vals) >>> sort_index array([2, 0, 1, 3, 4]) If not available, taken from this question, this is the fastest method: >>> vals = [2,3,1,4,5] >>> sorted(range(len(vals)), key=...
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Import multiple csv files into pandas and concatenate into one DataFrame

... If you have same columns in all your csv files then you can try the code below. I have added header=0 so that after reading csv first row can be assigned as the column names. import pandas as pd import glob path = r'C:\DRO\DCL_rawdata_files' # use you...
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Convert an image (selected by path) to base64 string

...e to retrieve the base64 string public static string ImageToBase64(string _imagePath) { string _base64String = null; using (System.Drawing.Image _image = System.Drawing.Image.FromFile(_imagePath)) { using (MemoryStream _mStream = new MemoryStream()) ...
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Calling closure assigned to object property directly

...sn't work on a StdClass. Before PHP7, you'd have to implement the magic __call method to intercept the call and invoke the callback (which is not possible for StdClass of course, because you cannot add the __call method) class Foo { public function __call($method, $args) { if(is_...
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lenses, fclabels, data-accessor - which library for structure access and mutation is better

...f these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types. With that in mind, we can turn to the different implementations: Implementations fclabels fclabels is pe...
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How to turn off INFO logging in Spark?

I installed Spark using the AWS EC2 guide and I can launch the program fine using the bin/pyspark script to get to the spark prompt and can also do the Quick Start quide successfully. ...
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Scala: Nil vs List()

In Scala, is there any difference at all between Nil and List() ? 3 Answers 3 ...
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addEventListener not working in IE8

... Try: if (_checkbox.addEventListener) { _checkbox.addEventListener("click", setCheckedValues, false); } else { _checkbox.attachEvent("onclick", setCheckedValues); } Update:: For Internet Explorer versions prior to IE9, attach...