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Which is better in python, del or delattr?
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The first is more efficient than the second. del foo.bar compiles to two bytecode instructions:
2 0 LOAD_FAST 0 (foo)
3 DELETE_ATTR 0 (bar)
whereas delattr(foo, "bar") takes five:
2 0 LOAD_GLOBAL 0 (delattr)
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multiprocessing: sharing a large read-only object between processes?
...that (1) reads your original gigantic object and writes a page-structured, byte-coded file using seek operations to assure that individual sections are easy to find with simple seeks. This is what a database engine does – break the data into pages, make each page easy to locate via a seek.
Spawn...
Add unique constraint to combination of two columns
...raint and Unique Index? Because when you set Unique Constraint, it has 900 Bytes limitation but It looks like Unique Index doesnt have.
– batmaci
Dec 14 '16 at 14:16
2
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nodeValue vs innerHTML and textContent. How to choose?
...rHTML outputs text/html.
Quick example:
var example = document.getElementById('exampleId');
example.textContent = '<a href="https://google.com">google</a>';
output: <a href="http://google.com">google</a>
example.innerHTML = '<a href="https://google.com">google</...
How do I enlarge an EER Diagram in MySQL Workbench?
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@dogmatic69: You can solve this problem by upgrading mysql workbench version
– Gowri
Mar 13 '13 at 0:23
3
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Swift double to string
...agree with creating an Extension, when the statement: a.toString() is seen by another developer there will definitely be a WTF moment.
– zaph
Aug 16 '14 at 17:41
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./configure : /bin/sh^M : bad interpreter [duplicate]
...a directory tree? do I need to go to each directory and open the files one by one in vi and do ":set fileformat=unix" ?? Please help.
– sree
Oct 10 '13 at 9:22
29
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How to determine whether a substring is in a different string
...ah"
bar = "somethingblahblahblahmeep"
if foo in bar:
# do something
(By the way - try to not name a variable string, since there's a Python standard library with the same name. You might confuse people if you do that in a large project, so avoiding collisions like that is a good habit to get i...
jQuery - Illegal invocation
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By default, data passed in to the data option as an object (technically, anything other than a string) will be processed and transformed into a query string, fitting to the default content-type "application/x-www-form-urlenco...
How to disable phone number linking in Mobile Safari?
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Can this be applied on a case by case basis? For example, 1 number string on a page I don't want to be interpreted as a phone number, but keep the behavior for 6 others on a page that I do want to be automatically interpreted as a phone number?
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