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Named regular expression group “(?Pregexp)”: what does “P” stand for?
...Perl 5; O'Reilly
publishes books about both languages.)
As you may know, Python 1.5 adds a new regular expression module that
more closely matches Perl's syntax. We've tried to be as close to the
Perl syntax as possible within Python's syntax. However, the regex
syntax has some Python...
How to read the content of a file to a string in C?
...( &buffer, &len, '\0', fp);
if ( bytes_read != -1) {
/* Success, now the entire file is in the buffer */
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Can't access object property, even though it shows up in a console log
...u
var x =JSON.parse(JSON.stringify(obj));
console.log(x.property_actually_now_defined);
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Getting SyntaxError for print with keyword argument end=' '
...ys, i just remember those whistle and old-day scene but not the lyris, and now i finally figure out what that song is!!
– Sphynx-HenryAY
Mar 10 '17 at 20:01
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Ways to iterate over a list in Java
... Thank you for that explanation; I think I understand what you are saying now and will update my question / comments accordingly. There's no "copying" per-se, but because of the language design in order to make changes to the contents of e I'd have to call one of e's methods because assignment just...
How to reload a clojure file in REPL
...ctions defined in a Clojure file without having to restart the REPL. Right now, in order to use the updated file I have to:
...
What's wrong with foreign keys?
...n get nice "on delete cascade" behavior, automatically cleaning up tables
knowing about the relationships between tables in the database helps the Optimizer plan your queries for most efficient execution, since it is able to get better estimates on join cardinality.
FKs give a pretty big hint on wh...
Java recursive Fibonacci sequence
... fibonacci(3) + fibonacci(2)
fibonacci(2) = fibonacci(1) + fibonacci(0)
Now you already know fibonacci(1)==1 and fibonacci(0) == 0. So, you can subsequently calculate the other values.
Now,
fibonacci(2) = 1+0 = 1
fibonacci(3) = 1+1 = 2
fibonacci(4) = 2+1 = 3
fibonacci(5) = 3+2 = 5
And from fi...
How do I run Python code from Sublime Text 2?
...
{"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} }
Now, you can use ctrl+shift+c instead of CTRL+BREAK
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Generate random numbers uniformly over an entire range
...rface. While theoretically also being an external dependency, Boost has by now a status of "quasi-standard" library, and its Random module could be regarded as the classical choice for good-quality random number generation. It features two advantages with respect to the C++11 solution:
it is more ...
