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A Windows equivalent of the Unix tail command [closed]
I'm looking for the equivalent of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to.
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How to disable anchor “jump” when loading a page?
...bably don't need it if it's in jQuery's $(function() { anyway. You don't really need the location.hash, but it's nice leaving it in so browsers may not have to do anything. Also reminds you what the scrollTo is for!
– dave1010
Sep 7 '10 at 13:50
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C# declare empty string array
...ew string[5];
That will create arr, a referenced array of strings, where all elements of this array are null. (Since strings are reference types)
This array contains the elements from arr[0] to arr[4]. The new operator is used to create the array and initialize the array elements to their default...
Specifying column name in a “references” migration
I want to make a migration in Rails, referencing another table. Usually, I would do something like:
6 Answers
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
... Identify and type section
rename existing class in "name" field.
That's all! Previously I manually rename the class name in the class file.
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Use a URL to link to a Google map with a marker on it
...g URL:
https://www.google.com/maps/search/?api=1&query=36.26577,-92.54324
For further details please read aforementioned documentation.
You can also file feature requests for this API in Google issue tracker.
Hope this helps!
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Adding days to a date in Python
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The previous answers are correct but it's generally a better practice to do:
import datetime
Then you'll have, using datetime.timedelta:
date_1 = datetime.datetime.strptime(start_date, "%m/%d/%y")
end_date = date_1 + datetime.timedelta(days=10)
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What reason is there to use null instead of undefined in JavaScript?
...t undefined is always preferable and serves the same purpose programmatically. What are some practical reasons to use null instead of undefined ?
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How do I update/upsert a document in Mongoose?
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Mongoose now supports this natively with findOneAndUpdate (calls MongoDB findAndModify).
The upsert = true option creates the object if it doesn't exist. defaults to false.
var query = {'username': req.user.username};
req.newData.username = req.user.username;
MyModel.findOneAndUpd...
Is there a built-in method to compare collections?
... answered Jan 11 '11 at 8:43
Allon GuralnekAllon Guralnek
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