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Smallest data URI image possible for a transparent image
...H5BAEAAAAALAAAAAABAAEAAAIBRAA7
As another tip, don't omit image/gif as one comment suggests. This will break in several browsers.
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Get top 1 row of each group
... rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one. To get both entries for a day, use DENSE_RANK instead
As for normalised or not, it depends if you want to:
maintain status in 2 places
preserve status history
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As it stands, you preserve status history. If you wa...
What is the difference between mocking and spying when using Mockito?
...ss of a Type, not from an actual instance. The mock simply creates a bare-bones shell instance of the Class, entirely instrumented to track interactions with it. On the other hand, the spy will wrap an existing instance. It will still behave in the same way as the normal instance – the only differ...
How dangerous is it to access an array out of bounds?
... literal meaning of this is:
behavior, upon use of a nonportable or erroneous program construct or
of erroneous data, for which this International Standard imposes no
requirements
A non-normative note expands on this:
Possible undefined behavior ranges from ignoring the situation
co...
Python (and Python C API): __new__ versus __init__
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There are probably other uses for __new__ but there's one really obvious one: You can't subclass an immutable type without using __new__. So for example, say you wanted to create a subclass of tuple that can contain only integral values between 0 and size.
class ModularTuple(tu...
var functionName = function() {} vs function functionName() {}
I've recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
...
Why use bzero over memset?
... and reduces portability. I doubt you would see any real gains from using one over the other.
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How do I put a bunch of uncommitted changes aside while working on something else
...s basic functionality). My usual method was to create a new branch using clone, but there might be better ways.
4 Answers
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The model used to open the store is incompatible with the one used to create the store
...elect the main file, open file inspector (right-hand panel)
and under Versioned core data model select your new version of data model for current data model
THAT'S NOT ALL ) You should perform so called "light migration".
Go to your AppDelegate and find where the persistentStoreCoordinator is being ...
Creating a config file in PHP
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One simple but elegant way is to create a config.php file (or whatever you call it) that just returns an array:
<?php
return array(
'host' => 'localhost',
'username' => 'root',
);
And then:
$configs = in...