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string.Join on a List or other type
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Using .NET 4.0
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string s = myFunction(PopulateTestList());
this.TextBox1.Text = s;
}
protected List<int> PopulateTe...
How to set a default value for an existing column
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This will work in SQL Server:
ALTER TABLE Employee ADD CONSTRAINT DF_SomeName DEFAULT N'SANDNES' FOR CityBorn;
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Can you make valid Makefiles without tab characters?
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I just found gnu.org/software/make/manual/html_node/Special-Variables.html (see .RECIPEPREFIX). One of the answers below also mentions that, and should be marked as "correct" instead of mine. stackoverflow.com/a/21920142
– Alok Singhal
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ruby 1.9: invalid byte sequence in UTF-8
...1.8 (iconv) and 1.9 (String#encode) :
require 'iconv' unless String.method_defined?(:encode)
if String.method_defined?(:encode)
file_contents.encode!('UTF-8', 'UTF-8', :invalid => :replace)
else
ic = Iconv.new('UTF-8', 'UTF-8//IGNORE')
file_contents = ic.iconv(file_contents)
end
or if yo...
What is a stream?
...sually bytes, but not necessarily so), which can be accessed in sequential order. Typical operations on a stream:
read one byte. Next time you read, you'll get the next byte, and so on.
read several bytes from the stream into an array
seek (move your current position in the stream, so that next ti...
Analyze audio using Fast Fourier Transform
...ut will be imaginary numbers even though your input is all real values. In order to get the amount of power in each frequency, you need to calculate the magnitude of the FFT coefficient for each frequency. This is not just the real component of the coefficient, you need to calculate the square root ...
How can I get a view's current width and height when using autolayout constraints?
...implement the entire constraint-solving logic of the auto layout system in order to interpret those constraints. Instead, what you should do is just ask auto layout to update that layout, so that it solves the constraints and updates the value of view.bounds with the correct solution, and then you i...
How do I send a POST request as a JSON?
... 6]
}
req = urllib2.Request('http://example.com/api/posts/create')
req.add_header('Content-Type', 'application/json')
response = urllib2.urlopen(req, json.dumps(data))
Python 3.x
https://stackoverflow.com/a/26876308/496445
If you don't specify the header, it will be the default application/x...
What algorithm gives suggestions in a spell checker?
...is respect SymSpell is equivalent to Peter Norvig’s algorithm, just 3..6 orders of magnitude faster), while your algorithm is using a heuristic approach which will detect only a limited subset of all theoretically possible spelling errors (therefore your pre-calculation cost might be lower).
...
Error pushing to GitHub - insufficient permission for adding an object to repository database
...ound. Try @Syvex's answer instead (with setgid)
– 4wk_
Jul 9 '15 at 16:02
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