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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 do I do a not equal in Django queryset filtering?
... seem right. I just tried this myself, and the order of exclude and filter calls didn't make any meaningful difference. The order of the conditions in the WHERE clause changes, but how does that matter?
– coredumperror
Apr 7 '16 at 19:51
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Can you have multiline HTML5 placeholder text in a ?
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For <textarea>s the spec specifically outlines that carriage returns + line breaks in the placeholder attribute MUST be rendered as linebreaks by the browser.
User agents should present this hint to the user when the element's value is the empty string ...
Circular dependency in Spring
...s don't do initialization that relies on other setters already having been called. The way to deal with this is to declare beans as implementing the InitializingBean interface. This requires you to implement the afterPropertiesSet() method, and this is where you do the critical initialization. (I...
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 do you get the rendered height of an element?
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Great answer, but logically, the borders that affect the height of an element are the top and bottom borders, which are horizontal. This answer refers to them as "vertical borders." Just thought I'd drop my 2 cents
– Kehlan K...
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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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 ...
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...
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,...