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Extract substring in Bash
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If x is constant, the following parameter expansion performs substring extraction:
b=${a:12:5}
where 12 is the offset (zero-based) and 5 is the length
If the underscores around the digits are the only ones in the input, y...
When I catch an exception, how do I get the type, file, and line number?
...ould be careful about unpacking sys.exc_info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like tracebac...
How to check if mod_rewrite is enabled in php?
I was wondering if it is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP .
15 Answers
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Weak and strong property setter attributes in Objective-C
What is the difference between weak and strong property setter attributes in Objective-C?
5 Answers
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Load and execute external js file in node.js with access to local variables?
... scope.
Instead the suggest method is to export your functions/variables.
If you want the MVC pattern take a look at Geddy.
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Ruby combining an array into one string
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what if you were joining digits? [1,2,3] => 123?
– stevenspiel
Dec 9 '13 at 19:08
3
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How to remove the first Item from a list?
...> del l[0]
>>> l
['b', 'c', 'd']
>>>
These both modify your original list.
Others have suggested using slicing:
Copies the list
Can return a subset
Also, if you are performing many pop(0), you should look at collections.deque
from collections import deque
>>> l...
How do I output the difference between two specific revisions in Subversion?
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See svn diff in the manual:
svn diff -r 8979:11390 http://svn.collab.net/repos/svn/trunk/fSupplierModel.php
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...No man's land' for aligned allocations. Using a
0xBD different value here than 0xFD allows the runtime
to detect not only writing outside the allocation,
but to also identify mixing alignment-specific
all...
Failed to serialize the response in Web API with Json
...it isn't necessary to remove formatters or supported media types typically if you are just specifying the "Accepts" header in the request. Playing around with that stuff can sometimes make things more confusing.
Example:
public class UserModel {
public string Name {get;set;}
public string...