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How to drop a list of rows from Pandas dataframe?
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newcomers to python: note that if you want to drop these rows and save them in the same dataframe (inplace) you also need to add the axis=0 (0 = rows, 1 = columns) and inplace=True as in df.drop(df.index[[1,3]], axis=0, inplace=True). @m...
普通码农和CTO之间的差距，就是这7点了 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...是“工具”。我个人认为程序员不存在——Java程序员、Python程序员、Android程序员、iOS程序员，这些前缀都是“工具”，后面的“程序员”三个字才是技术。让一个人号称做Web的去做Android为此离职的人真的不在少说，他们的理由...
Batch file to delete files older than N days
...red a bit and came up with this, which contains my version of a poor man's Linux epoch replacement limited for daily usage (no time retention):
7daysclean.cmd
@echo off
setlocal ENABLEDELAYEDEXPANSION
set day=86400
set /a year=day*365
set /a strip=day*7
set dSource=C:\temp
call :epoch %date%
set ...
Replacing some characters in a string with another character
...n *BSD (and thus, OSX), sed -E is (basically) equivalent to sed -r on many Linux distros, If you use sed 's/[xyz][xyz]*/_/g' you don't need the option. Of course, this is equivalent to tr -s xyz _ so no real need for sed here.
– tripleee
Jul 26 '16 at 3:57
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Is Dvorak typing appropriate for programming? [closed]
... that FAQ, especially with the pinky-reaching. And a Vim remapping?! And Linux support?!! I'm definitely trying this out. On the "social" side of keyboard layouts, Colemak can't be worse than Dvorak in any way, and if it's better on the physical strain side... We might have a winner here.
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How to find the files that are created in the last hour in unix
...t exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
13
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Windows: How to specify multiline command on command prompt?
...arguments and not within quotes) are: &|()
So the equivalent of your linux example would be (the More? being a prompt):
C:\> dir ^
More? C:\Windows
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Difference between onStart() and onResume()
...be lacking in the Language / API design department. I rly hope some other linux phone OS takes over, cuz I do vote for Open Source in general...
– zezba9000
Jul 8 '12 at 2:10
2
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Where are static variables stored in C and C++?
...'ve never touched that, consider reading this post first.
Let's analyze a Linux x86-64 ELF example to see it ourselves:
#include <stdio.h>
int f() {
static int i = 1;
i++;
return i;
}
int main() {
printf("%d\n", f());
printf("%d\n", f());
return 0;
}
Compile with:...
Benefits of prototypal inheritance over classical?
...itance usually gets in the way of programming, but maybe that's just Java. Python has an amazing classical inheritance system.
2. Prototypal Inheritance is Powerful
Most programmers who come from a classical background argue that classical inheritance is more powerful than prototypal inheritance b...