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How to check if a given directory exists in Ruby
I am trying to write a script which automatically checks out or updates a Subversion URL based on whether a specified directory exists or not.
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Free XML Formatting tool [closed]
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I believe that Notepad++ has this feature.
Edit (for newer versions)
Install the "XML Tools" plugin (Menu Plugins, Plugin Manager)
Then run: Menu Plugins, Xml Tools, Pretty Print (XML only - with line breaks)
Original answer (for older versions of Notepad++)
Notepad++ menu: TextFX -> HTML T...
Vertically align text to top within a UILabel
...abelFrame = CGRectMake(20, 20, 280, 150);
UILabel *myLabel = [[UILabel alloc] initWithFrame:labelFrame];
[myLabel setBackgroundColor:[UIColor orangeColor]];
NSString *labelText = @"I am the very model of a modern Major-General, I've information vegetable, animal, and mineral";
[myLa...
How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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You should include cascade="all" (if using xml) or cascade=CascadeType.ALL (if using annotations) on your collection mapping.
This happens because you have a collection in your entity, and that collection has one or more items which are not present in ...
TreeMap sort by value
...rn res != 0 ? res : 1;
}
}
);
sortedEntries.addAll(map.entrySet());
return sortedEntries;
}
Now you can do the following:
Map<String,Integer> map = new TreeMap<String,Integer>();
map.put("A", 3);
map.put("B", 2);
map.put("C", 1);
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How do I concatenate const/literal strings in C?
...nnot be used as a buffer, since it is a constant. Thus, you always have to allocate a char array for the buffer.
The return value of strcat can simply be ignored, it merely returns the same pointer as was passed in as the first argument. It is there for convenience, and allows you to chain the call...
A generic list of anonymous class
... o, o1 }.ToList();
There are lots of ways of skinning this cat, but basically they'll all use type inference somewhere - which means you've got to be calling a generic method (possibly as an extension method). Another example might be:
public static List<T> CreateList<T>(params T[] el...
Disabling and enabling a html input button
...nt.getElementById("Button").disabled = false;
Demo Here
Using jQuery
All versions of jQuery prior to 1.6
Disabling a html button
$('#Button').attr('disabled','disabled');
Enabling a html button
$('#Button').removeAttr('disabled');
Demo Here
All versions of jQuery after 1.6
Disabling ...
Evaluate expression given as a string
...s("5+5")
[1] "character"
> class(parse(text="5+5"))
[1] "expression"
Calling eval() invokes many behaviours, some are not immediately obvious:
> class(eval(parse(text="5+5")))
[1] "numeric"
> class(eval(parse(text="gray")))
[1] "function"
> class(eval(parse(text="blue")))
Error in eva...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...o supply more information on this question:
You can supply the @property call with your own method by writing
@property(setter = MySetterMethod:, getter = MyGetterMethod)
Notice the colon for the supplied setter method.
Reference Apple documentation
EDIT:
I'm not quite sure how the new cha...