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Adding an identity to an existing column
I need to change the primary key of a table to an identity column, and there's already a number of rows in table.
19 Answe...
Pass a parameter to a fixture function
I am using py.test to test some DLL code wrapped in a python class MyTester.
For validating purpose I need to log some test data during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
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Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
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Important Note: As of mid-2018, the process to get twitter API tokens became a lot more bureaucratic. It has taken me over one working week to be provided a set of API tokens, and this is for an open source project for you guys and girls with over 1.2 million installat...
How to debug Google Apps Script (aka where does Logger.log log to?)
...s I can tell, you can't debug a live event from Google Sheets, so you have to do it from the debugger, which is pointless since the event argument passed to my onEdit() function will always be undefined if I run it from the Script Editor .
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How to save a plot as image on the disk?
I plot a simple linear regression using R.
I would like to save that image as PNG or JPEG, is it possible to do it automatically? (via code)
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Why should I avoid multiple inheritance in C++?
Is it a good concept to use multiple inheritance or can I do other things instead?
15 Answers
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What is an existential type?
...ered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
I'm a beginner RoR programmer who's planning to deploy my app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does...
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How do I create a URL shortener?
I want to create a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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How can I return to a parent activity correctly?
... have 2 activities (A and B) in my android application and I use an intent to get from activity A to activity B. The use of parent_activity is enabled:
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