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Any idea why I need to cast an integer literal to (int) here?
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In general, you should not cast to Integer class. This involves something called auto-boxing, and can cause some subtle errors in your code.
The prefered method of doing what you want is:
Integer i6 = Integer.valueOf(-128)
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How to create a tag with Javascript?
... add external files via
document.createStyleSheet('foo.css');
and dynamically create rules via
var sheet = document.createStyleSheet();
sheet.addRule('h1', 'background: red;');
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Is there an easy way to convert jquery code to javascript? [closed]
...DOM traversing and manipulation with the plain DOM api (you would probably call this: normal JavaScript).
This can however be a pain for some things. (which is why libraries were invented in the first place).
Googling for "javascript DOM traversing/manipulation" should present you with plenty of ...
How to get error message when ifstream open fails
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Every system call that fails update the errno value.
Thus, you can have more information about what happens when a ifstream open fails by using something like :
cerr << "Error: " << strerror(errno);
However, since every ...
How to prevent rm from reporting that a file was not found?
...ting system's equivalent). You can check the value of $?
immediately after calling rm to see if a file was actually removed or not.
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iOS - Dismiss keyboard when touching outside of UITextField
... need to add an UITapGestureRecogniser and assign it to the view, and then call resign first responder on the UITextField on it's selector.
The code:
In viewDidLoad
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
[self.view ad...
Why can't Python find shared objects that are in directories in sys.path?
...the same error: $ python -c "import pycurl" Traceback (most recent call last): File "<string>", line 1, in <module> ImportError: libcurl.so.4: cannot open shared object file: No such file or directory
– user135171
Jul 8 '09 at 19:40
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Expand Python Search Path to Other Source
...n. Remember that when you distribute your project to other users, they typically install it in such a manner that the Python code files will be automatically detected by Python's importer (i.e. packages are usually installed in the site-packages directory), so if you mess with sys.path in your code,...
Selecting text in an element (akin to highlighting with your mouse)
...nges();
selection.addRange(range);
}
};
This function can be called as follows:
$('#selectme').selectText();
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Margin on child element moves parent element
...signs this idea can bite you when you explicitly want a container. This is called a new block formatting context in CSS speak. The overflow or margin trick will give you that.
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