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How to estimate how much memory a Pandas' DataFrame will need?
... 20906600
Calendar_Year 20906600
Model_Year 20906600
...
To include indexes, pass index=True.
So to get overall memory consumption:
>>> df.memory_usage(index=True).sum()
731731000
Also, passing deep=True will enable a more accurate memory usage report, that accounts for the ...
Same Navigation Drawer in different Activities
... android.support.v4.widget.DrawerLayout that contains two children: an <include ... /> for the layout that is being wrapped (see 2) and a android.support.design.widget.NavigationView.
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
...
Find when a file was deleted in Git
...l-history -- your_file
will show you all commits in your repo's history, including merge commits, that touched your_file. The last (top) one is the one that deleted the file.
Some explanation:
The --full-history flag here is important. Without it, Git performs "history simplification" when you a...
What is the best open XML parser for C++? [duplicate]
...icense and its source code is freely available.
Features
Parsing speed (including DOM tree
building) approaching speed of
strlen function executed on the
same data.
On a modern CPU (as of 2008) the
parser throughput is about 1 billion
characters per second. See
Performance section in the Online
...
What's the difference between identifying and non-identifying relationships?
...iple phone numbers, we make a second table PhoneNumbers, whose primary key includes the person_id referencing the Person table.
We may think of the phone number(s) as belonging to a person, even though they are modeled as attributes of a separate table. This is a strong clue that this is an iden...
jQuery form serialize - empty string
...
Let me suggest to include Madbreaks's answer here too.
– Slavic
Jan 23 '17 at 14:14
...
Reliable way for a Bash script to get the full path to itself [duplicate]
...utils since Jan 2012 / v8.15. If you're running a recent Linux distro that includes coreutils (which should be basically all of them) and realpath is missing, the packagers have certainly gone out of their way to separate realpath into another package. (current coreutils version is 8.21, released 20...
How can I use an array of function pointers?
...'s how you can use it:
New_Fun.h
#ifndef NEW_FUN_H_
#define NEW_FUN_H_
#include <stdio.h>
typedef int speed;
speed fun(int x);
enum fp {
f1, f2, f3, f4, f5
};
void F1();
void F2();
void F3();
void F4();
void F5();
#endif
New_Fun.c
#include "New_Fun.h"
speed fun(int x)
{
int V...
What's valid and what's not in a URI query?
...c URIs is RFC 3986, which has this to say:
2.2. Reserved Characters
URIs include components and subcomponents that are delimited by characters in the "reserved" set. These characters are called "reserved" because they may (or may not) be defined as delimiters by the generic syntax, by each scheme-...
How to identify numpy types in python?
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