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How to add 10 days to current time in Rails
...
Use
Time.now + 10.days
or even
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 does it mean in shell when we put a command inside dollar sign and parentheses: $(command)
...ence purely cosmetic? is there a reason to use one versus the other, apart from that the $() is more legible?
– Mitchell Tracy
Apr 30 '17 at 21:37
2
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What's the cause of this FatalExecutionEngineError in .NET 4.5 beta? [closed]
...lieve I have found as good an explanation as we will find without somebody from the .NET JIT team answering.
UPDATE
I looked a little deeper, and I believe I have found the source of the issue. It appears to be caused by a combination of a bug in the JIT type-initialization logic, and a change in...
How to remove an item from an array in AngularJS scope?
...ular, but with Array methods. The proper way to remove a particularly item from an array is with Array.splice. Also, when using ng-repeat, you have access to the special $index property, which is the current index of the array you passed in.
The solution is actually pretty straightforward:
View:
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Green Bars in Visual Studio 2010
...-------------------+-------------------------+
| Marker | Different from | Different from file |
| colour | file saved on disk? | that was opened? |
+-----------+------------------------------+-------------------------+
| Nothing | No ...
Command to change the default home directory of a user
...sername username
-m (abbreviation for --move-home) will move the content from the user's current directory to the new directory.
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How to convert local time string to UTC?
... + UTC. Figure out what the local timezone is, construct a timezone object from it, and manipulate and attach it to the naive datetime.
Finally, use datetime.astimezone() method to convert the datetime to UTC.
Source code, using local timezone "America/Los_Angeles", for the string "2001-2-3 10:11:...
Removing duplicates in lists
...a set. Sets are unordered collections of distinct objects. To create a set from any iterable, you can simply pass it to the built-in set() function. If you later need a real list again, you can similarly pass the set to the list() function.
The following example should cover whatever you are trying...
Is it possible to Turn page programmatically in UIPageViewController?
...ewControllers it can make it appear that you're animatedly navigating away from the current view controller, but it's not really seeking to a page.
– Amy
Feb 25 '14 at 1:25
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Is there a difference between x++ and ++x in java?
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I landed here from one of its recent dup's, and though this question is more than answered, I couldn't help decompiling the code and adding "yet another answer" :-)
To be accurate (and probably, a bit pedantic),
int y = 2;
y = y++;
is ...