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How to iterate through two lists in parallel?
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what if additionally I want the index i? Can I wrap that zip in enumerate?
– Charlie Parker
Mar 6 '18 at 18:05
2
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Working copy XXX locked and cleanup failed in SVN
...L Spy would also do the trick: yunqa.de/delphi/doku.php/products/sqlitespy/index
– Ivelin Nikolaev
Jan 14 '13 at 15:34
12
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Encode URL in JavaScript?
...your case, this should work:
var myOtherUrl =
"http://example.com/index.html?url=" + encodeURIComponent(myUrl);
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Why is it slower to iterate over a small string than a small list?
...unobvious, but is likely created from a greater number of checks on string indexing, with regards to the type and well-formedness. It is also quite likely thanks to the need to check what to return.
List indexing is remarkably fast.
>>> python3 -m timeit '[x for x in "abc"]'
1000000 l...
How does this milw0rm heap spraying exploit work?
...XSS also.
You can see all the encoding tricks here:
http://www.owasp.org/index.php/Category:OWASP_CAL9000_Project
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JOIN queries vs multiple queries
...ctually wrote about this. For the most part, though, if you have the right indexes and you properly do your JOINs it is usually going to be faster to do 1 trip than several.
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What is an ORM, how does it work, and how should I use one? [closed]
... case with a pseudo language:
You have a book class, you want to retrieve all the books of which the author is "Linus". Manually, you would do something like that:
book_list = new List();
sql = "SELECT book FROM library WHERE author = 'Linus'";
data = query(sql); // I over simplify ...
while (row ...
The tilde operator in Python
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One should note that in the case of array indexing, array[~i] amounts to reversed_array[i]. It can be seen as indexing starting from the end of the array:
[0, 1, 2, 3, 4, 5, 6, 7, 8]
^ ^
i ~i
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Parsing query strings on Android
...e.g.:
import org.eclipse.jetty.util.*;
URL url = new URL("www.example.com/index.php?foo=bar&bla=blub");
MultiMap<String> params = new MultiMap<String>();
UrlEncoded.decodeTo(url.getQuery(), params, "UTF-8");
assert params.getString("foo").equals("bar");
assert params.getString("bla...
Changing one character in a string
...efended (for love I suppose). Why not suggest adding a function MID(strVar,index,newChar) to Python core that direct accesses the char memory position, instead of unnecesarily byte shuffling with the whole string?
– oscar
Nov 27 '18 at 18:37
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