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Default value of 'boolean' and 'Boolean' in Java
What are the default values of boolean (primitive) and Boolean (primitive wrapper) in Java?
8 Answers
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Which is better, number(x) or parseFloat(x)?
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The difference between parseFloat and Number
parseFloat/parseInt is for parsing a string, while Number/+ is for coercing a value to a number. They behave differently. But first let's look at where they behave the same:
parseFloat('3'); // => 3
Number('3'...
Installing older version of R package
I am trying to use Rpy2 and ggplot2 but I get an error. After some searching for the error online, I found that the error occurs because there are changes in the ggplot2 package that are not yet reflected in Rpy2 (for example, see this post (Edit: Link is now dead)).
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How to make Twitter bootstrap modal full screen
... / padding issues, try right+clicking (or cmd+clicking on mac) the element and select "inspect element" on Chrome or "inspect element with firebug" on Firefox. Try selecting different HTML elements in the "elements" panel and editing the CSS on the right in real-time until you get the padding / spa...
How to insert a value that contains an apostrophe (single quote)?
...r single quote, is a special character in SQL that specifies the beginning and end of string data. This means that to use it as part of your literal string data you need to escape the special character. With a single quote this is typically accomplished by doubling your quote. (Two single quote char...
How to extract filename.tar.gz file
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As far as I can tell, the command is correct, ASSUMING your input file is a valid gzipped tar file. Your output says that it isn't. If you downloaded the file from the internet, you probably didn't get the entire file, try again.
Without more knowledge o...
SVG: text inside rect
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Is there a way to not have to manually set height and width on the rect?
– George Mauer
Dec 20 '12 at 17:01
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Ruby on Rails console is hanging when loading
...le refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
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How to prevent form from submitting multiple times from client side?
...e validation & MVC. The JS gets called first which always return false and then validation is called. So if my form has some validation error the form never gets submitted!!
– bjan
Jun 8 '12 at 12:09
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How can I add a custom HTTP header to ajax request with js or jQuery?
...e of is that with ajaxSetup you can only define one set of default headers and you can only define one beforeSend. If you call ajaxSetup multiple times, only the last set of headers will be sent and only the last before-send callback will execute.
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