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Write a function that returns the longest palindrome in a given string
...s far as I understood the problem, we can find palindromes around a center index and span our search both ways, to the right and left of the center. Given that and knowing there's no palindrome on the corners of the input, we can set the boundaries to 1 and length-1. While paying attention to the mi...
Importance of varchar length in MySQL table
...u can run into: Big joins are nearly impossible with long varchar columns. Indexing on those columns are a real killer. Your disk has to store the data. One memory page can hold less rows and table scans will be much slower. Also the query cache will be unlikely to help you here.
You have to ask yo...
Differences between Ant and Maven [closed]
...ther projects. Without modification, you can run mvn site and then find an index.html file in target/site that contains links to JavaDoc and a few reports about your source code.
Admittedly, this is the simplest possible example project. A project which only contains source code and which produces...
How accurately should I store latitude and longitude?
...
Actually, equator is best case. One latitude and one longitude degree are the same size at the equator (69 miles), but one degree of longitude shrinks to zero as it approaches either of the poles. Here's a very nice explanation: ...
Why am I getting an OPTIONS request instead of a GET request?
it does an OPTIONS request to that URL, and then the callback is never called with anything.
10 Answers
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
... position: absolute;
width: 80%;
top: -1px;
z-index: 1000;
}
#slide-nav #slidemenu {
background: #f7f7f7;
left: -100%;
width: 80%;
min-width: 0;
position: absolute;
padding-left: 0;
z-index: 2;
top: ...
How to run Node.js as a background process and never die?
...g):
nohup node server.js &
There's also the jobs command to see an indexed list of those backgrounded processes. And you can kill a backgrounded process by running kill %1 or kill %2 with the number being the index of the process.
Powerful solution (allows you to reconnect to the process if...
How to show disable HTML select option in by default?
I am new to HTML and PHP and want to achieve a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is
...
You can't specify target table for update in FROM clause
...e the query can be very slow; try to create temporary/second table with an index/primary key [see dev.mysql.com/doc/refman/5.1/en/create-table-select.html ]
– Alex
Feb 11 '13 at 9:25
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How to initialize a List to a given size (as opposed to capacity)?
... list to be initialised with a fixed set of nulls before populating via an index (and adding extras afterwards, so an array was unsuitable). This answer gets my vote for being practical and simple.
– Gone Coding
Feb 26 '14 at 11:53
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