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Find duplicate lines in a file and count how many time each line was duplicated?
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This is what I do however algorithmically this is doesnt seem to be the most efficient approach (O(n log n)*avg_line_len where n is number of lines). I'm working on files that are several gigabytes large, so performance is a key issue. I wonder whether there is ...
What's the difference between REST & RESTful
...a dissertation by Roy Fielding, REST is an "architectural style" that basically exploits the existing technology and protocols of the Web.
RESTful is typically used to refer to web services implementing such an architecture.
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What is the best django model field to use to represent a US dollar amount?
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I think this example is correct almost to all currencies. To represent currencies as Bitcoin, I think is much better to use an integer field to save the amount in satoshis, and then show it to the final user in the representation that you want (BTC, mBTC, etc)
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
...ethods and sealed classes. While running a test using mock object, MOQ actually creates an in-memory proxy type which inherits from your "XmlCupboardAccess" and overrides the behaviors that you have set up in the "SetUp" method. And as you know in C#, you can override something only if it is marked ...
SQL injection that gets around mysql_real_escape_string()
...ly to SELECT passwd FROM users. In the latter case, the second query is usually executed by use of a UNION clause.
– Jacco
May 21 '12 at 9:47
59
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How can I quickly delete a line in VIM starting at the cursor position?
...atever was yanked before.
The true delete command in the OP's context is "_D (or "_C if insert mode is desired) This sends the deleted content into the black hole register, designated by "_, where it will bother no one ever again (although you can still undo this action using u).
That being said,...
error: Unable to find vcvarsall.bat
I tried to install the Python package dulwich :
42 Answers
42
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android.view.InflateException: Binary XML file line #12: Error inflating class
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The inflate exception is not actually the problem, but really comes from another deeper issue in your layout that is then wrapped in an InflateException.
A common issue is an out of memory exception when trying to inflate an imageview loading a drawable reso...
Does R have an assert statement as in python?
...ndition that will throw an error in your program. Here's an example:
Less_Than_8 = function(x) return(x < 8)
for (i in 1:10)
{
print(i)
stopifnot(Less_Than_8(i))
}
This will print the numbers 1 through 8, then print a message that says
Error: Less_Than_8(i) is not TRUE
It would be ni...
Match everything except for specified strings
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Depends on the language, but there are generally negative-assertions you can put in like so:
(?!red|green|blue)
(Thanks for the syntax fix, the above is valid Java and Perl, YMMV)
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