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Can't connect to localhost on SQL Server Express 2012 / 2016
I just downloaded the latest version of SQL Express 2012 but I cannot connect to localhost. I tried localhost\SQLExpress and Windows authentication but it gives me an error message saying cannot connect. Am I missing something here? I've used SQL Server 2008 before and I've never had issues connecti...
How can I check if an ip is in a network in Python?
Given an ip address (say 192.168.0.1), how do I check if it's in a network (say 192.168.0.0/24) in Python?
27 Answers
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How to have Android Service communicate with Activity
I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
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Java compiler level does not match the version of the installed Java project facet
I have created a New Dynamic Project under Eclipse Helios Version, where my JRE Version is set to 1.6.
I have added Maven capabilities to the Web Application by clicking on Configure → Convert to Maven Project .
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Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
After conducting some experiments on square matrices of different sizes, a pattern came up. Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Implementing INotifyPropertyChanged - does a better way exist?
Microsoft should have implemented something snappy for INotifyPropertyChanged , like in the automatic properties, just specify {get; set; notify;}
I think it makes a lot of sense to do it. Or are there any complications to do it?
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
I'm developing a part of an application that's responsible for exporting some data into CSV files. The application always uses UTF-8 because of its multilingual nature at all levels. But opening such CSV files (containing e.g. diacritics, cyrillic letters, Greek letters) in Excel does not achieve th...
What is the most robust way to force a UIView to redraw?
I have a UITableView with a list of items. Selecting an item pushes a viewController that then proceeds to do the following. from method viewDidLoad I fire off a URLRequest for data that is required by on of my subviews - a UIView subclass with drawRect overridden. When the data arrives from the clo...
Remove CSS from a Div using JQuery
I'm new to JQuery. In my App I have the following:
13 Answers
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Trouble comparing time with RSpec
I am using Ruby on Rails 4 and the rspec-rails gem 2.14. For a my object I would like to compare the current time with the updated_at object attribute after a controller action run, but I am in trouble since the spec does not pass. That is, given the following is the spec code:
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