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Why is parenthesis in print voluntary in Python 2.7?
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In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between...
Connect to Amazon EC2 file directory using Filezilla and SFTP
...tering a password to proceed past the dialog.
Note: FileZilla automatically figures out which key to use. You do not need to specify the key after importing it as described above.
If you use Cyberduck follow this.
Check this post if you have any permission issues.
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Xcode 6 Storyboard the wrong size?
...you to get used to size classes as they are the future, and you will eventually jump in anyway at some point."
You probably haven't added the layout constraints.
Select your label, tap the layout constraints button on the bottom:
On that menu add width and height (it should NOT be the same as...
What's the difference between Perl's backticks, system, and exec?
...It never returns true, because if the command is found it never returns at all.
There is also no point in returning STDOUT, STDERR or exit status of the command.
You can find documentation about it in perlfunc,
because it is a function.
system
executes a command and your Perl script is con...
How to undo “git commit --amend” done instead of “git commit”
I accidentally amended my previous commit. The commit should have been separate to keep history of the changes I made to a particular file.
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How can I let a table's body scroll but keep its head fixed in place?
...in a set size. I need the headers at the top of the table to stay there at all times but I also need the body of the table to scroll no matter how many rows are added to the table. Think a mini version of excel. This seems like a simple task but almost every solution I have found on the web has some...
How do I force a DIV block to extend to the bottom of a page even if it has no content?
In the markup shown below, I'm trying to get the content div to stretch all the way to the bottom of the page but it's only stretching if there's content to display. The reason I want to do this is so the vertical border still appears down the page even if there isn't any content to display.
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Stretch and scale CSS background
... background-size: cover;
}
cover means stretching the image either vertically or horizontally so it never tiles/repeats.
That would work for Safari 3 (or later), Chrome, Opera 10+, Firefox 3.6+, and Internet Explorer 9 (or later).
For it to work with lower verions of Internet Explorer, try th...
Read specific columns from a csv file with csv module?
...is spectacular for dealing with csv files, and the following code would be all you need to read a csv and save an entire column into a variable:
import pandas as pd
df = pd.read_csv(csv_file)
saved_column = df.column_name #you can also use df['column_name']
so if you wanted to save all of the inf...
Ignore fields from Java object dynamically while sending as JSON from Spring MVC
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Can I do it dynamically? Not in POJO? Can I do it in my Controller class?
– iCode
Apr 16 '14 at 6:36
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