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Find index of last occurrence of a substring in a string
I want to find the position (or index) of the last occurrence of a certain substring in given input string str .
9 Answers...
How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
7
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What are some good Python ORM solutions? [closed]
...oreignKeyField(Blog)
title = CharField()
body = TextField()
pub_date = DateTimeField(default=datetime.datetime.now)
# query it like django
Entry.filter(blog__name='Some great blog')
# or programmatically for finer-grained control
Entry.select().join(Blog).where(Blog.name == 'Some aweso...
Get user profile picture by Id
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answered Jul 11 '12 at 22:32
IgyIgy
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HTML5 Email Validation
... matches the following regular expression:
/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
Use the required attribute and a pattern attribute to require the value to match the regex pattern.
<input
type="text"
pattern="/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
...randomly.
– SeMeKh
Aug 28 '12 at 14:32
146
For OS X users: brew install coreutils, then use gshuf...
What's the difference between KeyDown and KeyPress in .NET?
...ress|Up).
– P Daddy
Mar 7 '14 at 20:32
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How to change XAMPP apache server port?
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324
To answer the original question:
To change the XAMPP Apache server port here the procedure :
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How to go to each directory and execute a command?
How do I write a bash script that goes through each directory inside a parent_directory and executes a command in each directory .
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Allowed characters in filename [closed]
...stems if you only care about the main players file systems:
Windows (FAT32, NTFS): Any Unicode except NUL, \, /, :, *, ", <, >, |. Also, no space character at the start or end, and no period at the end.
Mac(HFS, HFS+): Any valid Unicode except : or /
Linux(ext[2-4]): Any byte except NUL or ...
