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Renaming files in a folder to sequential numbers
... let, and printf for the padding:
a=1
for i in *.jpg; do
new=$(printf "%04d.jpg" "$a") #04 pad to length of 4
mv -i -- "$i" "$new"
let a=a+1
done
using the -i flag prevents automatically overwriting existing files.
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Short description of the scoping rules?
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martineau
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answered Nov 15 '08 at 12:47
Rizwan Kass...
Example use of “continue” statement in Python?
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10 Answers
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Active
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CSS text-overflow: ellipsis; not working?
...ed, to show how close you were.
.app a {
height: 18px;
width: 140px;
padding: 0;
overflow: hidden;
position: relative;
display: inline-block;
margin: 0 5px 0 5px;
text-align: center;
text-decoration: none;
text-overflow: ellipsis;
white-space: nowrap;
color: ...
When to use lambda, when to use Proc.new?
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edited Dec 30 '16 at 6:28
mbigras
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LINQ: Distinct values
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answered Jun 15 '09 at 20:02
Jon SkeetJon Skeet
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sys.argv[1] meaning in script
...ed by zero-based integers, you can get the individual items using the list[0] syntax. For example, to get the script name:
script_name = sys.argv[0] # this will always work.
Although interesting, you rarely need to know your script name. To get the first argument after the script for a filename, ...
Why don't Java Generics support primitive types?
...new ArrayList<ClassA>();
list.add(new ClassA());
ClassA a = list.get(0);
gets turned into (roughly):
List list = new ArrayList();
list.add(new ClassA());
ClassA a = (ClassA)list.get(0);
So, anything that is used as generics has to be convertable to Object (in this example get(0) returns a...
How JavaScript closures are garbage collected
...ut the expected behavior.
From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable".
In your examples where it fails some is still reachable in the closure. I tried two ways to ma...
Do you have to restart apache to make re-write rules in the .htaccess take effect?
...s is a good check to make sure the file is being used -- you should get a 500 error on any page in the same directory.
Lastly, you can enable a rewrite log using commands like the following in your httpd.conf:
RewriteLog "logs/rewritelog"
RewriteLogLevel 7
The log file thus generated will give you...