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Finding the number of days between two dates
...time intervals not specific points in time, the format syntax is different from the date() and strftime() syntax. The time interval syntax can be found here: php.net/manual/en/dateinterval.format.php
– Andrew
Jun 4 '13 at 7:56
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What do I use for a max-heap implementation in Python?
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If you then want to pop elements, use:
heapq.heappop(minheap) # pop from minheap
heapq._heappop_max(maxheap) # pop from maxheap
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Is there hard evidence of the ROI of unit testing?
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The bean counters couldn't tell a unit test from the rest of the code if their lives depended on it. I support the suggestion to just do it. There's one caveat, though: If you are not alone, you need your fellow developers to embrace this practice. If not, they will un...
Does MSTest have an equivalent to NUnit's TestCase?
...been a side note on an older version of the TestAdapter, which was removed from the 2.0.0's description page:
Note that it doesn't work with VS Express
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Can you get DB username, pw, database name in Rails?
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From within rails you can create a configuration object and obtain the necessary information from it:
config = Rails.configuration.database_configuration
host = config[Rails.env]["host"]
database = config[Rails.env]["d...
Swift compiler segmentation fault when building
...extension to the class that's giving you problems.
Move a group of methods from the main file to SegFaultDebugger.swift.
Compile.
At this point, one of three things happens:
You still get the segfault in the original file: Move the methods from SegFaultDebugger.swift back to the original file an...
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...nd but after a friend pointed out that the Form class eventually inherited from an abstract class, we SHOULD be able to get this done. If they can do it, we can do it.
We went from this code to the problem
Form1 : Form
Problem
public class Form1 : BaseForm
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public abstract class BaseForm : ...
SQL keys, MUL vs PRI vs UNI
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DESCRIBE <table>;
This is acutally a shortcut for:
SHOW COLUMNS FROM <table>;
In any case, there are three possible values for the "Key" attribute:
PRI
UNI
MUL
The meaning of PRI and UNI are quite clear:
PRI => primary key
UNI => unique key
The third possibility, MUL...
Can I load a .NET assembly at runtime and instantiate a type knowing only the name?
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Yes. You need to use Assembly.LoadFrom to load the assembly into memory, then you can use Activator.CreateInstance to create an instance of your preferred type. You'll need to look the type up first using reflection. Here is a simple example:
Assembly assemb...
What does 'require: false' in Gemfile mean?
...:require => false these particular gems and explicitly require "thegem" from the rake task. This would then save memory in the main app processes and startup time etc. App performance, however, should not be affected even if you require these additional gems in every process.
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