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How to fix “Attempted relative import in non-package” even with __init__.py
... I'm not either of the downvoters, but I feel this could use quite a bit more detail, given the popularity of this question and answer. Noting stuff like from what directory to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying tric...
How do I find a default constraint using INFORMATION_SCHEMA?
...fault constraint exists. I don't want to use the sysobjects table, but the more standard INFORMATION_SCHEMA.
14 Answers
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Test PHP headers with PHPUnit
... PHPUnit will print a header to the screen and at that point you can't add more headers.
The work around is to run the test in an isolated process. Here is an example
<?php
class FooTest extends PHPUnit_Framework_TestCase
{
/**
* @runInSeparateProcess
*/
public function testB...
How to use the same C++ code for Android and iOS?
...ttle. My English also has changed, it has improved a lot, so the answer is more understandable to everyone now.
Please take a look at the repo so you can download and run the code I'll show below.
The Answer
Before I show the code, please take a lot on the following diagram.
Each OS has its UI...
What is an optional value in Swift?
...ated value. The type of an optional String isn't String, it's Optional, or more precisely Optional<String>.
Everything Swift does with optionals is magic to make reading and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks late...
Convert base class to derived class [duplicate]
...BaseProperty2 = "Something else"
myBaseClass.BaseProperty3 = "Something more"
//etc...
return myBaseClass;
}
Before I was trying this, which gave me a unable to cast error
public MyDerivedClass GetPopulatedDerivedClass()
{
var newDerivedClass = (MyDerivedClass)GetPopulatedBaseClass()...
What's the role of GetHashCode in the IEqualityComparer in .NET?
...y cool data structure that trades a higher memory footprint in return for (more or less) constant costs for Add/Remove/Get operations. It is a poor choice for iterating over though. Internally, a dictionary contains an array of buckets, where values can be stored. When you add a Key and Value to a d...
Check a collection size with JSTL
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I agree with Mark here. Why import more cruft into your page for one tag? Use Mark's solution, it's cleaner.
– ResourceReaper
Feb 25 '14 at 1:12
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How do I set vertical space between list items?
...perfectly in other browsers. Google made Youtube malfunction in Safari for more than a year. Google blocks Tor users from using certain services. Isn't the point of the "web platform" to make apps and services platform-independent, as in not block specific platforms? If you wanna do that, why not ma...
Best way to specify whitespace in a String.Split operation
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