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How to add 10 days to current time in Rails
...ven
10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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What is the format specifier for unsigned short int?
...f does work. It was %hhu/%hhd that is only available starting with C99. %h and %hh imply a &0xFFFF resp. &0xFF on the passed integer.
– jørgensen
Jan 2 '12 at 13:11
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Cleaner way to do a null check in C#? [duplicate]
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In a generic way, you may use an expression tree and check with an extension method:
if (!person.IsNull(p => p.contact.address.city))
{
//Nothing is null
}
Full code:
public class IsNullVisitor : ExpressionVisitor
{
public bool IsNull { get; private set; }
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Replacing instances of a character in a string
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Strings in python are immutable, so you cannot treat them as a list and assign to indices.
Use .replace() instead:
line = line.replace(';', ':')
If you need to replace only certain semicolons, you'll need to be more specific. You could use slicing to isolate the section of the string to r...
Removing ul indentation with CSS
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This code will remove the indentation and list bullets.
ul {
padding: 0;
list-style-type: none;
}
http://jsfiddle.net/qeqtK/2/
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How to directly initialize a HashMap (in a literal way)?
... entry("a", "b"),
entry("c", "d")
);
In the example above both test and test2 will be the same, just with different ways of expressing the Map. The Map.of method is defined for up to ten elements in the map, while the Map.ofEntries method will have no such limit.
Note that in this case the r...
Difference between window.location.href, window.location.replace and window.location.assign
...rl;
They simply navigate to the new URL. The replace method on the other hand navigates to the URL without adding a new record to the history.
So, what you have read in those many forums is not correct. The assign method does add a new record to the history.
Reference: http://developer.mozilla.org/...
Getting the object's property name
...myObject[c]));
}
Walla! This will definitely work in the latest firefox and ie11 and chrome...
Here is some documentation at MDN
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
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Project management to go with GitHub [closed]
...n is now outdated for my particular issue, as Google Code supports git now and I've converted Protocol Buffers to Mercurial anyway. However, it's still of general interest, IMO.)
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Border in shape xml
...looks like you forgot the prefix on the color attribute. Try
<stroke android:width="2dp" android:color="#ff00ffff"/>
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