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How to remove line breaks (no characters!) from the string?
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You should be able to replace it with a preg that removes all newlines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The pr...
List directory tree structure in python?
... └── less_deep_file
├── about.rst
├── conf.py
└── index.rst
Notes
This uses recursion. It will raise a RecursionError on really deep folder trees
The tree is lazily evaluated. It should behave well on really wide folder trees. Immediate children of a given folder are n...
How to initialize a two-dimensional array in Python?
...he second. List multiplication makes a shallow copy. When you assign to an index, it does a proper change, but access does not, so when you do a[x][y] = 2, it's accessing, not assigning, for the xth index - only the yth access is actually changed. This page helped me explain with diagrams that are p...
How do I sort an observable collection?
...tic int search<T>(ObservableCollection<T> collection, int startIndex, T other)
{
for (int i = startIndex; i < collection.Count; i++)
{
if (other.Equals(collection[i]))
return i;
}
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How do I purge a linux mail box with huge number of emails? [closed]
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You can simply delete the /var/mail/username file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
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Python Linked List
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@dimo414: Linked lists typically prohibit indexing (no linked_list[n]) because it would be O(n). Dequeues allow it, and perform it in O(1). However, linked lists, given an iterator into the list, can allow O(1) insertion and removal, whereas deques cannot (it's O(n),...
Why does the indexing start with zero in 'C'?
Why does the indexing in an array start with zero in C and not with 1?
16 Answers
16
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Why git can't do hard/soft resets by path?
...kout HEAD -- <path> does a hard reset for a path, replacing both the index and the working tree with the version from the HEAD commit.
– Dan Fabulich
Oct 5 '12 at 8:18
1
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CSV API for Java [closed]
... can be found at the project website:
http://super-csv.github.io/super-csv/index.html
The SuperCSV project directly supports the parsing and structured manipulation of CSV cells. From http://super-csv.github.io/super-csv/examples_reading.html you'll find e.g.
given a class
public class UserBea...
Symbolicating iPhone App Crash Reports
... running a spotlight search. It searches the debug symbols with a specific index called com_apple_xcode_dsym_uuids. You can do this search yourself:
mdfind 'com_apple_xcode_dsym_uuids = *'
resp.
mdfind "com_apple_xcode_dsym_uuids == AA5E633E-FDA8-346C-AB92-B01320043DC3"
The first spotlight inv...