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Equivalent of “continue” in Ruby
In C and many other languages, there is a continue keyword that, when used inside of a loop, jumps to the next iteration of the loop. Is there any equivalent of this continue keyword in Ruby?
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CSS3 selector :first-of-type with class name?
...s to select an element if it has the given class (or is of the given type) and is the first of its type among its siblings.
Unfortunately, CSS doesn't provide a :first-of-class selector that only chooses the first occurrence of a class. As a workaround, you can use something like this:
.myclass1 {...
How to send FormData objects with Ajax-requests in jQuery? [duplicate]
The XMLHttpRequest Level 2 standard (still a working draft) defines the FormData interface. This interface enables appending File objects to XHR-requests (Ajax-requests).
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not None test in Python [duplicate]
...with default parameters. is tests identity in Python. Because there is one and only one instance of None present in a running Python script/program, is is the optimal test for this. As Johnsyweb points out, this is discussed in PEP 8 under "Programming Recommendations".
As for why this is preferred...
Can I have an IF block in DOS batch file?
.... You will unfortunately need to create nested blocks of if statements to handle that.
Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will p...
How to quickly edit values in table in SQL Server Management Studio?
... top 200, you can view the SQL pane - either by right clicking in the grid and choosing Pane->SQL or by the button in the upper left. This will allow you to write a custom query to drill down to the row(s) you want to edit.
But ultimately mgmt studio isn't a data entry/update tool which is why ...
Get a list of all the files in a directory (recursive)
...'m trying to get (not print, that's easy) the list of files in a directory and its sub directories.
4 Answers
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What was the strangest coding standard rule that you were forced to follow? [closed]
...this question I got almost always a definite yes you should have coding standards.
112 Answers
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Get time difference between two dates in seconds
...he explanation
You need to call the getTime() method for the Date objects, and then simply subtract them and divide by 1000 (since it's originally in milliseconds). As an extra, when you're calling the getDate() method, you're in fact getting the day of the month as an integer between 1 and 31 (not ...
@RequestParam in Spring MVC handling optional parameters
Is it possible for a Spring controller to handle both kind of requests?
3 Answers
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