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How to effectively work with multiple files in Vim
...h> you can add a new tab; and with a regular :q or :wq you close a tab.
If you map :tabn and :tabp to your F7/F8 keys you can easily switch between files.
If there are not that many files or you don't have Vim 7 you can also split your screen in multiple files: :sp <filepath>. Then you can...
Reading and writing binary file
...
If you want to do this the C++ way, do it like this:
#include <fstream>
#include <iterator>
#include <algorithm>
int main()
{
std::ifstream input( "C:\\Final.gif", std::ios::binary );
std::ofstream...
mkdir's “-p” option
...ertips: man mkdir yields this about -p switch:
-p, --parents
no error if existing, make parent directories as needed
Use case example: Assume I want to create directories hello/goodbye but none exist:
$mkdir hello/goodbye
mkdir:cannot create directory 'hello/goodbye': No such file or directo...
DbArithmeticExpression arguments must have a numeric common type
...ent, something like:
var sleeps = context.Sleeps(o =>
DbFunctions.DiffHours(o.ClientDateTimeStamp, clientDateTime) < 24);
Note that the DiffHours method accepts Nullable<DateTime>.
Entity Framwork core (when used with Sql Server, maybe other db providers) supports the DateTime Ad...
What is the difference between functional and non functional requirement? [closed]
What is the difference between functional and non-functional requirements in the context of designing a software system?
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How do I iterate through table rows and cells in JavaScript?
If I have an HTML table...say
9 Answers
9
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PostgreSQL Connection URL
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If you use Libpq binding for respective language, according to its documentation URI is formed as follows:
postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...]
Here are examples from same documen...
Appending to an empty DataFrame in Pandas?
...But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
A
0 0
1 1
2 2
share
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How do I change the formatting of numbers on an axis with ggplot?
...t intensity/arbitrary units", labels = comma)
to your ggplot statement.
If you don't want to load the package, use:
scale_y_continuous(name="Fluorescent intensity/arbitrary units", labels = scales::comma)
share
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CSS: Set a background color which is 50% of the width of the window
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Older Browser Support
If older browser support is a must, so you can't go with multiple backgrounds or gradients, you're probably going to want to do something like this on a spare div element:
#background {
position: fixed;
top: 0;
l...