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Eclipse executable launcher error: Unable to locate companion shared library
...eclipse had completely vanished - all the program files have completely disappeared. When I try to reinstall it, I get an error message that says
...
Unique fields that allow nulls in Django
...aggregates. It has been replaced with from_db_value().
Note that the new approach does not call the to_python() method on assignment as was the case with SubfieldBase.
Therefore, as suggested by the from_db_value() documentation and this example, this solution must be changed to:
class CharNull...
In Python, what is the difference between “.append()” and “+= []”?
...
For your case the only difference is performance: append is twice as fast.
Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import timeit
>>> timei...
create a trusted self-signed SSL cert for localhost (for use with Express/Node)
... req.cnf -sha256
Step 4. then outside of security folder, in your express app do something like this: (credit goes to @Diego Mello)
backend
/security
/server.js
server.js:
const express = require('express')
const app = express()
const https = require('https')
const fs = require('fs')
const p...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...e for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in a state where you know things w...
UICollectionView reloadData not functioning properly in iOS 7
I've been updating my apps to run on iOS 7 which is going smoothly for the most part. I have noticed in more than one app that the reloadData method of a UICollectionViewController isn't acting quite how it used to.
...
Changing the selected option of an HTML Select element
...cript>
var viewModel = {
val: ko.observable()
};
ko.applyBindings(viewModel);
viewModel.val(3);
</script>
Demo
Polymer
<template id="template" is="dom-bind">
<select value="{{ val }}">
<option value="1">Cat</option>
<...
How to fix bower ECMDERR
...an" and "bower" on windows 7 but got the following error when I create the app
13 Answers
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Why do most fields (class members) in Android tutorial start with `m`?
...rce Project.
It is not a style guide for the code of individual Android apps.
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user authentication libraries for node.js?
...Auth, only if necessary). Passport also does not mount any routes in your application, giving you the flexibility to decide when and where you want authentication, and hooks to control what happens when authentication succeeds or fails.
For example, here is the two-step process to setup form-based...