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When should I use malloc in C and when don't I?

... char *some_memory = "Hello World"; is creating a pointer to a string constant. That means the string "Hello World" will be somewhere in the read-only part of the memory and you just have a pointer to it. You can use the string as rea...
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How to delete images from a private docker registry?

...st your catalogs by calling this url: http://YourPrivateRegistyIP:5000/v2/_catalog Response will be in the following format: { "repositories": [ <name>, ... ] } Step 2: Listing tags for related catalog You can list tags of your catalog by calling this url: http://YourPrivat...
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When should I choose Vector in Scala?

...e, Vector can provide most common operations reasonably fast, i.e. in O(log_32(n)). That works for prepend, append, update, random access, decomposition in head/tail. Iteration in sequential order is linear. List on the other hand just provides linear iteration and constant time prepend, decompositi...
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Javascript checkbox onChange

...hen I can suggest the following: NOTE: I made some assumption here $('#my_checkbox').click(function(){ if($(this).is(':checked')){ $('input[name="totalCost"]').val(10); } else { calculate(); } }); ...
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What is the most efficient Java Collections library? [closed]

... long mem = usedMem(); TIntIntHashMap ours = new TIntIntHashMap(SET_SIZE); for ( int i = dataset.size(); i-- > 0; ) { ours.put(i, i); } mem = usedMem() - mem; System.err.println("trove " + mem + " bytes"); ours.clear(); } publi...
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AngularJS - How to use $routeParams in generating the templateUrl?

... when('/', {templateUrl:'/home'}). when('/users/:user_id', { controller:UserView, templateUrl: function(params){ return '/users/view/' + params.user_id; } } ). otherwise({redire...
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Twitter Bootstrap vs jQuery UI? [closed]

... @PhoenixX_2 ill try! Example: in bootstrap you write all the classes on the button element (ie. button button-primary button-small, where in jQueryUI you assign a element to be a button ie just add "btn" and then through JS you make i...
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How do RVM and rbenv actually work?

...runs the corresponding command for that version. Here's how: If the RBENV_VERSION environment variable is set, its value determines the version of Ruby to use. If the current working directory has an .rbenv-version file, its contents are used to set the RBENV_VERSION environment variable. If there...
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Not receiving Google OAuth refresh token

... The refresh_token is only provided on the first authorization from the user. Subsequent authorizations, such as the kind you make while testing an OAuth2 integration, will not return the refresh_token again. :) Go to the page showing...
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How to set tbody height with overflow scroll

... IE doesn't support position: sticky – ariel_556 Jul 30 at 2:54 1 FWIW you can also add ...