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Rails raw SQL example

... You can do this: sql = "Select * from ... your sql query here" records_array = ActiveRecord::Base.connection.execute(sql) records_array would then be the result of your sql query in an array which you can iterate through. ...
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How to search for a part of a word with ElasticSearch

... nGram just as a filter. Here is my setup: { "index": { "index": "my_idx", "type": "my_type", "analysis": { "index_analyzer": { "my_index_analyzer": { "type": "custom", "tokenizer": "standard", "filter": [ "lowercase", ...
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Example for boost shared_mutex (multiple reads/one write)?

... It looks like you would do something like this: boost::shared_mutex _access; void reader() { // get shared access boost::shared_lock<boost::shared_mutex> lock(_access); // now we have shared access } void writer() { // get upgradable access boost::upgrade_lock<boos...
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Are HLists nothing more than a convoluted way of writing tuples?

...) // Publish their `HListIso`'s implicit def fooIso = Iso.hlist(Foo.apply _, Foo.unapply _) implicit def barIso = Iso.hlist(Bar.apply _, Bar.unapply _) // And now they're monoids ... implicitly[Monoid[Foo]] val f = Foo(13, "foo") |+| Foo(23, "bar") assert(f == Foo(36, "foobar")) implicitly[Monoi...
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Is there a function to make a copy of a PHP array to another?

... by reference. This means that: $a = array(); $b = $a; $b['foo'] = 42; var_dump($a); Will yield: array(0) { } Whereas: $a = new StdClass(); $b = $a; $b->foo = 42; var_dump($a); Yields: object(stdClass)#1 (1) { ["foo"]=> int(42) } You could get confused by intricacies such as Ar...
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Understanding the map function

...tesian product with a list comprehension though: [(a, b) for a in iterable_a for b in iterable_b] The syntax is a little confusing -- that's basically equivalent to: result = [] for a in iterable_a: for b in iterable_b: result.append((a, b)) ...
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Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?

...ds.size; if ((NSFoundationVersionNumber <= NSFoundationVersionNumber_iOS_7_1) && UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation)) { return CGSizeMake(screenSize.height, screenSize.width); } return screenSize; } ...
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How can I get a user's media from Instagram without authenticating as a user?

...n perform https://api.instagram.com/v1/users/[USER ID]/media/recent/?client_id=[CLIENT ID] [CLIENT ID] would be valid client id registered in app through manage clients (not related to user whatsoever). You can get [USER ID] from username by performing GET users search request: https://api.instagra...
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Capturing URL parameters in request.GET

...rguments). Such as: (r'^user/(?P<username>\w{0,50})/$', views.profile_page,), Then in your views.py you would have def profile_page(request, username): # Rest of the method share | impro...
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how to detect search engine bots with php?

... Here's a Search Engine Directory of Spider names Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider. if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot")) { // what to do } ...