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Create a table without a header in Markdown

Is it possible to create a table without a header in Markdown? 11 Answers 11 ...
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How to create a multiline UITextfield?

I am developing an application where user has to write some information. For this purpose I need a UITextField which is multi-line (in general UITextField is a single line). ...
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How to convert a char array back to a string?

I have a char array: 15 Answers 15 ...
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How to directly initialize a HashMap (in a literal way)?

Is there some way of initializing a Java HashMap like this?: 14 Answers 14 ...
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Many-to-many relationship with the same model in rails?

How can I make a many-to-many relationship with the same model in rails? 6 Answers 6 ...
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sql primary key and index

Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed? ...
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Where can I learn jQuery? Is it worth it?

I've had a lot of good experiences learning about web development on w3schools.com . It's hit or miss, I know, but the PHP and CSS sections specifically have proven very useful for reference. ...
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How to Truncate a string in PHP to the word closest to a certain number of characters?

I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
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How does the main() method work in C?

I know there are two different signatures to write the main method - 9 Answers 9 ...
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Regular expression to match URLs in Java

I use RegexBuddy while working with regular expressions. From its library I copied the regular expression to match URLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false : ...