theory

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theory about p, np problems

I am reading about P , NP and NP-Complete 开发者_开发问答problems theory. Here is text snippet.[详细]

2023-04-13 08:13 分类：问答
Timeout or Re-activate DB entry in PHP

I\'m working on a project that involves multiple users and the ability to alter data. Basically, when a user land on a page, he can enter information for a particular entry in a database.While he\'s[详细]

2023-04-13 00:30 分类：问答
there's a way to sort a regular expressions list by specificity?

I\'m looking for something that allows me to sort a list of regular expression, or some documentation and re开发者_StackOverflowsearch,[详细]

2023-04-12 20:19 分类：问答
Retrieve multiple information by a single number?

I was wondering how they did come up with the way of setting permissions using chmod by开发者_如何学JAVA just using numbers. For example:[详细]

2023-04-11 05:04 分类：问答
RegEx / computer theory - construct a regEx in alphabetical order

In my grammars - Computer theory class I am trying to create a regular expression in alphabetical order(a-z)[详细]

2023-04-10 18:47 分类：问答
How to create an interval of times in PHP based on a start time?

I\'m wondering how given a start time, I can calculate a series of time spans in intervals and execute code during that time.[详细]

2023-04-10 04:58 分类：问答
FFT image comparison (theoretical)

Can anybody explain me (simplified) wha开发者_运维问答t happen if I do an image comparison with FFT? I somehow don\'t understand how it\'s possible to convert a picture into frequencies and how this i[详细]

2023-04-08 10:33 分类：问答
Complex Database Relations (Junction Tables)

My Question is about the idea of combining two junction tables into one, for similarly related tables. Please read to see what I mean. Also note that this is indeed a problem I am faced with and there[详细]

2023-04-08 05:48 分类：问答
How to attach a DataPoint with a Theory?

@DataPoints public static final Integer[] input1={1,2}; @Theory @Test public void test1(int inp开发者_如何学编程ut1){[详细]

2023-04-07 07:52 分类：问答
Strange limitation in the implementation of internal interface

I have code internal interface IFoo { void foo(); } public class A : IFoo { // error CS0737: \'A\' does not implement interface member \'IFoo.foo()\'.[详细]

2023-04-06 11:59 分类：问答