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C read file line by line

... Why should I do that? Read the manual, buffer is reallocated at each call, then it should be freed at the end. – mbaitoff Nov 30 '12 at 12:43 30 ...
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How to merge two arrays in JavaScript and de-duplicate items

... Or, perhaps even better than underscore, the API-compatible lodash. – Brian M. Hunt Feb 9 '13 at 15:02 3 ...
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How do you write a migration to rename an ActiveRecord model and its table in Rails?

...ble_name end end I had to go and rename the model declaration file manually. Edit: In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this: class RenameOldTableToNewTable < ActiveRecord::Migration def change rena...
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Graph visualization library in JavaScript

...ructure that represents a directed graph, and I want to render that dynamically on an HTML page. These graphs will usually be just a few nodes, maybe ten at the very upper end, so my guess is that performance isn't going to be a big deal. Ideally, I'd like to be able to hook it in with jQuery so th...
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JavaScript file upload size validation

...e used for this purpose, and it's easy to test whether it's supported and fall back (if necessary) to another mechanism if it isn't. Here's a complete example: <!DOCTYPE HTML> <html> <head> <meta http-equiv="Content-type" content="text/html;charset=UTF-8"> <title>Show...
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When NOT to call super() method when overriding?

... its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc. ...
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How to clear all the jobs from Sidekiq?

...ails application. Now the numbers of jobs becomes more, so I want to clear all the jobs. I tried the following command in console ...
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Center content of UIScrollView when smaller

... the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like to keep it centered, like the Photos app. ...
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Why is a combiner needed for reduce method that converts type in java 8

... got - argument mismatch; int cannot be converted to java.lang.String. Actually, I think passing 0 as the identity value is also wrong here, since a String is expected (T). Also note that this version of reduce processes a stream of Ts and returns a T, so you can't use it to reduce a stream of Stri...
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SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*

...ar chat = $.connection.chatHub; // Create a function that the hub can call to broadcast messages. chat.client.addChatMessage = function (who, message) { // Html encode display name and message. var encodedName = $('<div />').text(who).html(); var encodedMsg = $(...