How can I echo characters before and after a string?

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php - How can I echo characters before and after a string ...

I'm familiar with some of PHPs string functions, however I can't seem to find the right one to do what I want. What I'm trying to accomplish is to echo 22 characters ...

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How can I help my father set up his e-mail account to avoid the random character string verification for outgo

My father is finding it increasingly frustrating to understand and echo back an Outgooing Message Verification String every time he attempts to send an e-mail (either Compose, Reply, or Forward). His eyes are bad, and he often cannot decipher the squigly...

Answer:

Sorry, that is just a security brech set by Yahoo, you can't change it.

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Bob P at Yahoo! Answers Mark as irrelevant Undo

What are different algorithms for converting a string into a palindrome by adding characters to the end (other than appending the reverse of the string to itself)?

adding zero or more characters to the string. Return the minimum number of characters that you need to append to  the string to make it a palindrome. e.g  str="abab" so we need to append 'a' to the string to convert it into a palindrome. so...

Answer:

ExplanationTo solve this problem, we must first ask:What does an optimal solution for this problem look...

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John Kurlak at Quora Mark as irrelevant Undo

We have a string of characters and we want to find characters with second highest frequency in the string. Suggest different algorithms for this?

e.g.  string =  abaabc output = b  (since a is appearing 3 times which is highest and b is appearing 2 times which is 2nd highest) e.g string = ababcacad output = b,c need algorithm/logic which is easy to implement for beginner. I don 't want to use...

Answer:

Make a hash function and store the frequency of alphabets in a hash table[26] ; then just go through...

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Mukul Dilwaria at Quora Mark as irrelevant Undo

What does this mean: "Whitespace characters in the format string are matched by zero or more whitespace characters in the input stream and discarded when using the function scanf in the C language"?

I do not understand the above sentence. Note: I'm only talking about numeric entry via scanf. Besides the question of what, generally, does the above sentence mean, what happens if there are no whitespace characters in the format string to be matched...

Answer:

The format string is the first parameter to the scanf function (also called the format specifier). ...

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Saleem Abdulrasool at Quora Mark as irrelevant Undo

How can I call or get a specifc characters in a string in C++?

I'm trying to get certain parts of a string and assign it to another string variable. string intro = "Hai"; string firstLetter; string theRest; firstLetter = first letter of intro; theRest = last two letters of intro;

Answer:

string firstLetter = intro.substr(0, 1); string theRest = intro.substr(intro.length() - 2);

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zNelson2... at Yahoo! Answers Mark as irrelevant Undo

C++.. program that allows the user to enter 4 characters.rogram must check if the string is a palindrome?

A string is an array of characters. A palindrome is a string that is exactly the same when spelled backwards (e.g. abba, hannah are both palindromes). Write a program that defines a char array with 4 elements and allows the user to enter 4 characters...

Answer:

about checking palindromicity code: this the fourth or fifth time that there's such a request! try to...

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Stephen O at Yahoo! Answers Mark as irrelevant Undo

A k-palindrome is a string which transforms into a palindrome on removing at most k characters from it. Given a string S, and an interger K, find whether S is a k-palindrome or not? Constraints: S has at most 20,000 characters and 0<=k<=30

I have figured out O(n*n) (where n is the length of the string) algorithm using dynamic programming but that would time out. My approach : dp[i,j] = Number of deletions required in the str[i,j] to make it palindrome Recurrence : dp[i,j]=dp[i+1,j-1] ...

Answer:

It can be solved in o( n * k * k ) dynamic programming. Consider the o(n*n) algorithm given in description...

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Anudeep Nekkanti at Quora Mark as irrelevant Undo

I heed help to create batch file. How to take characters from string and place them to variable?

Hello, there is a task that I want to automate. I need to update program on some PCs (about 10-15). So I need to uninstall old program version and install new one. And I want to make Batch file for this. At first I want to find old App that installed...

Answer:

I think this may help you http://www.dostips.com/DtTipsStringManip… Additional Some times I got...

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Eugeny at Yahoo! Answers Mark as irrelevant Undo

Aprx 1980 Kawasaki 2stroke KT12AD String Trimmer Motor/Weed Wacker..can I use Semi-Synthetic Echo 2 stroke oil?

I was told that This motor same as in this video > http://www.youtube.com/watch?v=PcrkLJsAy1A Is recommended @ 25:1 Fuel/Oil Ratio. But that they didn't know whether the modern for example Echo Semi-Synthetic Chainsaw 2 stroke oil would be ok in it...

Answer:

Yes you can and you wont have any issues.

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Hanns G at Yahoo! Answers Mark as irrelevant Undo

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