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How do I grep for all non-ASCII characters?
... Homebrew's dupes library (enable using brew tap homebrew/dupes): brew install grep
– Bastiaan M. van de Weerd
Oct 22 '12 at 10:03
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How would you make a comma-separated string from a list of strings?
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",".join(l) will not work for all cases. I'd suggest using the csv module with StringIO
import StringIO
import csv
l = ['list','of','["""crazy"quotes"and\'',123,'other things']
line = StringIO.StringIO()
writer = csv.writer(line)
writer.writerow(l)
csv...
Delete all but the most recent X files in bash
...n a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
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How different is Objective-C from C++? [closed]
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Short list of some of the major differences:
C++ allows multiple inheritance, Objective-C doesn't.
Unlike C++, Objective-C allows method parameters to be named and the method signature includes only the names and types of the parameters and return type (see bbum's and Chuck...
How can you represent inheritance in a database?
...to tackle inheritance is to create a new table for each subtype, repeating all the common attributes in each table. For example:
--// Table: policies_motor
+------+---------------------+----------------+
| id | date_issued | vehicle_reg_no |
+------+---------------------+----------------+
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Enum “Inheritance”
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This is not possible. Enums cannot inherit from other enums. In fact all enums must actually inherit from System.Enum. C# allows syntax to change the underlying representation of the enum values which looks like inheritance, but in actuality they still inherit from System.enum.
See section 8...
Dynamically generating a QR code with PHP [closed]
I'm trying to generate QR codes on my website. All they have to do is have a URL in them, which a variable on my site will provide. What would be the easiest way to do this?
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IIS7 Permissions Overview - ApplicationPoolIdentity
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ApplicationPoolIdentity is actually the best practice to use in IIS7+. It is a dynamically created, unprivileged account. To add file system security for a particular application pool see IIS.net's "Application Pool Identities". The quick version:
If the ...
Why is an array not assignable to Iterable?
...t will do the conversion for you, explicitly.
(Having said that, you can call clone on arrays.)
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Creating a CSS3 box-shadow on all sides but one
...single shadow (see bottom horizontal line) going up, shading the bottom of all tabs except for the open one.
9 Answers
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