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What does a just-in-time (JIT) compiler do?
...cle, and it wasn't a complete solution either. It is certainly non-viable now.)
– Stephen C
Apr 2 '17 at 5:44
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Efficient way to apply multiple filters to pandas DataFrame or Series
...ist or any iterable. We will create boolean variable just like before, but now we will negate the boolean variable by placing ~ in the front.
For example
list = [1, 0]
df[df.col1.isin(list)]
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What should I name a table that maps two tables together? [closed]
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+1 : well said - a carefully chosen name now will make maintainability a lot easier in the future.
– Preet Sangha
Nov 28 '09 at 21:09
116
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Why are flag enums usually defined with hexadecimal values
...ta matters. Using it hints at the fact that that's the situation we're in now.
Also, i'm not sure about C#, but I know that in C x << y is a valid compile-time constant.
Using bit shifts seems the most clear:
[Flags]
public enum MyEnum
{
None = 0,
Flag1 = 1 << 0,
Flag2 = ...
How to search a specific value in all tables (PostgreSQL)?
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@Henno: yes it requires PG-9.1. Edited now to make that explicit. To use it with older versions, you'll have to adapt it.
– Daniel Vérité
May 11 '14 at 12:27
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Why doesn't await on Task.WhenAll throw an AggregateException?
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Yeah, I know there's been some changes to exception handling, but the newest docs for Task.WhenAll state "If any of the supplied tasks completes in a faulted state, the returned task will also complete in a Faulted state, where its ex...
Does Java casting introduce overhead? Why?
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Now the article is almost 20 years old. And the answers are also many years old. This question needs a modern answer.
– Raslanove
May 7 '19 at 6:00
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iOS Simulator failed to install the application
...have created a Cordova 2.1.0 app, It ran fine for the first 2-3 times. But now when I am trying to run it through terminal it is giving me the following error.I didn't change anything.
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jQuery selectors on custom data attributes using HTML5
I would like to know what selectors are available for these data attributes that come with HTML5.
4 Answers
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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@wilhelmtell - you'd need a table to know which ones are the palindromes.
– Mark Ransom
Apr 8 '10 at 20:01
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