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What is the best way to compute trending topics or tags?

...wing code demonstrates this. from math import sqrt class zscore: def __init__(self, pop = []): self.number = float(len(pop)) self.total = sum(pop) self.sqrTotal = sum(x ** 2 for x in pop) def update(self, value): self.number += 1.0 self.total += valu...
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Reset C int array to zero : the fastest way?

...e is doing something incorrect. #include<immintrin.h> #define intrin_ZERO(a,n){\ size_t x = 0;\ const size_t inc = 32 / sizeof(*(a));/*size of 256 bit register over size of variable*/\ for (;x < n-inc;x+=inc)\ _mm256_storeu_ps((float *)((a)+x),_mm256_setzero_ps());\ if(4 == sizeof(*(a)...
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How can I detect if the user is on localhost in PHP?

... You can also use $_SERVER['REMOTE_ADDR'] for which IP address of the client requesting is given by the web server. $whitelist = array( '127.0.0.1', '::1' ); if(!in_array($_SERVER['REMOTE_ADDR'], $whitelist)){ // not valid } ...
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Get URL query string parameters

... $_SERVER['QUERY_STRING'] contains the data that you are looking for. DOCUMENTATION php.net: $_SERVER - Manual share | ...
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Backbone View: Inherit and extend events from parent

...: var ChildView = ParentView.extend({ events: function(){ return _.extend({},ParentView.prototype.events,{ 'click' : 'onclickChild' }); } }); Another would be: var ParentView = Backbone.View.extend({ originalEvents: { 'click': 'onclick' }, //Override th...
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run main class of Maven project [duplicate]

... Gives error : Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.5.0:exec (default-cli) on project srl: Execution default-cli of goal org.codehaus.mojo:exec-maven-plugin:1.5.0:exec failed: Executable can not be empty -&gt...
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C state-machine design [closed]

... #define ST_ANY -1 #define ST_INIT 0 #define ST_ERROR 1 #define ST_TERM 2 : : #define EV_ANY -1 #define EV_KEYPRESS 5000 #define EV_MOUSEMOVE 5001 Then you define all the functions that are called by the transitions: stat...
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How to calculate date difference in JavaScript?

... x0 = new Date(d0); var x1 = new Date(d1); // Set to noon - avoid DST errors x0.setHours(12,0,0); x1.setHours(12,0,0); // Round to remove daylight saving errors return Math.round( (x1 - x0) / msPerDay ); } This can be more concise: /* Return number of days between d0 and d1. *...
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How to check task status in Celery?

...syncResult, which helpfully reuses the backend configuration, otherwise an error is raised when trying to get the result. – ArnauOrriols Nov 16 '15 at 1:18 2 ...
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How to open a new window on form submit

... No need for Javascript, you just have to add a target="_blank" attribute in your form tag. <form target="_blank" action="http://example.com" method="post" id="mc-embedded-subscribe-form" name="mc-embedded-subscribe-form" class="validate" > ...