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What is the difference between varchar and varchar2 in Oracle?

...t rationale before, that's useful. Thanks. For the record, it is still totally ridiculous that the main character type in Oracle is "varchar2". Doesn't that strike anybody else as a terrible kludge? Seems like how I would have solved some problem in my first week of learning to program. ...
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iOS 7: UITableView shows under status bar

The first screen of my application is a UITableViewController without a navigation bar, which means that the content flows under the status bar so there's a lot of text collisions. I've adjusted both the properties for Under top bars and Adjust scroll view insets which do actually stop it from...
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Using the “animated circle” in an ImageView while loading stuff

...inate="true" /> </RelativeLayout> And when you finish loading, call this one line: findViewById(R.id.loadingPanel).setVisibility(View.GONE); The result (and it spins too): share | i...
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Why am I getting error for apple-touch-icon-precomposed.png

...means the configured web document-root directory, e.g. in Apache 2.4 it usually /var/www/htdocs – Hgehlhausen Dec 14 '16 at 19:40 add a comment  |  ...
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How to put a delay on AngularJS instant search?

...frequently that $scope variable is updated. Something like this: JS: var App = angular.module('App', []); App.controller('DisplayController', function($scope, $http, $timeout) { $http.get('data.json').then(function(result){ $scope.entries = result.data; }); // This is what yo...
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How to get the currently logged in user's user id in Django?

...rs = [{user.id: user.get_name()} for user in logged_in_users] # Query all logged in staff users based on id list all_staff_users = CustomUser.objects.filter(is_resident=False, is_active=True, is_superuser=False) logged_out_users = list() # for some reason exclude() would not work co...
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Is there a way for multiple processes to share a listening socket?

...POSIX type OS), using fork() will cause the forked child to have copies of all the parent's file descriptors. Any that it does not close will continue to be shared, and (for example with a TCP listening socket) can be used to accept() new sockets for clients. This is how many servers, including Apac...
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Make sure only a single instance of a program is running

...ode version is available singleton.py. Please file bugs here. You can install tend using one of the following methods: easy_install tendo pip install tendo manually by getting it from http://pypi.python.org/pypi/tendo sh...
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How to backup a local Git repository?

I am using git on a relatively small project and I find that zipping the .git directory's contents might be a fine way to back up the project. But this is kind of weird because, when I restore, the first thing I need to do is git reset --hard . ...
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How to specify an area name in an action link?

... This is a very good tip! But it gives not expected results with MVC 2.. Small correction - Html.ActionLink("home", "Index", new { area = "", controller = "Home" }) – Alexander Beletsky Nov 20 '10 at 10:36 ...