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What is the maximum value for an int32?
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My mnemonic: 2^10 is very near to 1000, so 2^(3*10) is 1000^3 or about 1 billion. One of the 32 bits is used for sign, so the max value is really only 2^31, which is about twice the amount you get for 2^(3*10): 2 billion.
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How do I write good/correct package __init__.py files
...thers....
– Nick T
Jan 25 '19 at 18:10
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using __all__ and import * is redundant, only __all__ is...
Remove unwanted parts from strings in a column
...ith.
pd.__version__
# '0.24.1'
df
time result
1 09:00 +52A
2 10:00 +62B
3 11:00 +44a
4 12:00 +30b
5 13:00 -110a
df['result'] = df['result'].str.replace(r'\D', '')
df
time result
1 09:00 52
2 10:00 62
3 11:00 44
4 12:00 30
5 13:00 110
If you ...
Redis key naming conventions?
...ema. For instance "object-type:id:field" can be
a nice idea, like in "user:1000:password". I like to use dots for
multi-words fields, like in "comment:1234:reply.to".
Are you able to query for just the beginning of the key to return all
users?
If you mean someting like directly querying for ...
Can I run javascript before the whole page is loaded?
...g is complete.)
This wasn't available when I first wrote this answer in 2010, but here in 2020, all major modern browsers support modules natively, and if you need to support older browsers, you can use bundlers like Webpack and Rollup.js.
Use the defer attribute on a classic script tag:
<scri...
UITableView, Separator color where to set?
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answered Jul 29 '10 at 17:18
HelenHelen
3,72111 gold badge1313 silver badges77 bronze badges
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Is it possible to implement dynamic getters/setters in JavaScript?
...r answer.
– T.J. Crowder
Jul 4 at 9:10
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Can I disable a CSS :hover effect via JavaScript?
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edited May 5 '10 at 0:09
answered May 4 '10 at 23:20
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Is there any way to put malicious code into a regular expression?
...t least under linux, the vulnerability is easy to demonstrate: grep -E ".*{10,}{10,}{10,}{10,}{10,}"
– Bruce Ediger
Jan 7 '11 at 20:52
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Which kind of pointer do I use when?
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+100
Shared ownership:
The shared_ptr and weak_ptr the standard adopted are pretty much the same as their Boost counterparts. Use them wh...