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How to prove that a problem is NP complete?
...covers (that is, for some graph G, does it have a vertex cover set of size k such that every edge in G has at least one vertex in the cover set?) is in NP:
our input X is some graph G and some number k (this is from the problem definition)
Take our information C to be "any possible subset of verti...
Batch files: How to read a file?
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You can use the for command:
FOR /F "eol=; tokens=2,3* delims=, " %i in (myfile.txt) do @echo %i %j %k
Type
for /?
at the command prompt. Also, you can parse ini files!
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In Windows cmd, how do I prompt for user input and use the result in another command?
I have a Windows .bat file which I would like to accept user input and then use the results of that input as part of the call to additional commands.
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How to get all Errors from ASP.Net MVC modelState?
I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains.
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Java Ordered Map
In Java, Is there an object that acts like a Map for storing and accessing key/value pairs, but can return an ordered list of keys and an ordered list of values, such that the key and value lists are in the same order?
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How to center a “position: absolute” element
...n element that has the attribute position set to absolute .
Does anyone know why the images are not centered?
26 Answers...
How do you use colspan and rowspan in HTML tables?
I don't know how to merge rows and columns inside HTML tables.
11 Answers
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What is a reasonable length limit on person “Name” fields?
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UK Government Data Standards Catalogue suggests 35 characters for each of Given Name and Family Name, or 70 characters for a single field to hold the Full Name.
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Easy pretty printing of floats in python?
I have a list of floats. If I simply print it, it shows up like this:
18 Answers
18
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Sql query to insert datetime in SQL Server
... Well, not just Italians, but that's the culture it's attributed to in Books Online.
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