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How do I rename a column in a SQLite database table?
... tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT * FROM tab;
db-fiddle.com demo
Android Support
As of writing, Android's API 27 is using SQLite package version 3.19.
Based on the current version that Android is using and that this update is coming in version 3.25.0 of SQLite, I would ...
Why is the String class declared final in Java?
...lang.String is declared as final in Java, I was wondering why that is. I didn't find any answer back then, but this post: How to create a replica of String class in Java? reminded me of my query.
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How to output messages to the Eclipse console when developing for Android
...lag) to the Eclipse console (or log) when developing and debugging an Android app
5 Answers
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How do I test which class an object is in Objective-C?
... This may or may not work based on whether the programmer has overridden the description method. Using [object class] or NSStringFromClass always returns the class name, though.
– futureelite7
Jan 8 '13 at 1:01
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Is SecureRandom thread safe?
...application. The ThreadLocalRandom class could be used as a pattern to provide a solution that supports SecureRandom.
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jQuery append() vs appendChild()
...ppend.
You can pass multiple arguments.
var elm = document.getElementById('div1');
elm.append(document.createElement('p'),document.createElement('span'),document.createElement('div'));
console.log(elm.innerHTML);
<div id="div1"></div>
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Getting an empty JQuery object
... the following code I set up a change handler on a select box to show and hide some follow up questions based on the value of the selection.
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Reconnection of Client when server reboots in WebSocket
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You should add "ws = null;" before setTimeout() to avoid multiply ws objects and eventHandligs
– Max
Oct 3 '16 at 15:32
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Difference between ApiController and Controller in ASP.NET MVC
... different routing scheme by default (as in: mapping URLs to actions), providing a REST-ful API by convention.
You could probably do anything using a Controller instead of an ApiController with the some(?) manual coding. In the end, both controllers build upon the ASP.NET foundation. But having a...
Git: how to reverse-merge a commit?
...mber' associated with the parent? Do branches have an intrinsic numerical 'id'?
– daniyalzade
Sep 5 '11 at 20:55
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