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How do I create multiple submit buttons for the same form in Rails?
...
AnuragAnurag
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...
Merge PDF files
...ns.
#!/usr/bin/env python
import sys
try:
from PyPDF2 import PdfFileReader, PdfFileWriter
except ImportError:
from pyPdf import PdfFileReader, PdfFileWriter
def pdf_cat(input_files, output_stream):
input_streams = []
try:
# First open all the files, then produce the output ...
Does Firefox support position: relative on table elements?
...and most proper way would be to wrap the contents of the cell in a div and add position:relative to that div.
example:
<td>
<div style="position:relative">
This will be positioned normally
<div style="position:absolute; top:5px; left:5px;">
This will be p...
Creating an iframe with given HTML dynamically
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GillesCGillesC
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3
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
..._agg(employee, ', ')
FROM mytable
GROUP BY company_id;
Postgres 9.0 also added the ability to specify an ORDER BY clause in any aggregate expression; otherwise, the order is undefined. So you can now write:
SELECT company_id, string_agg(employee, ', ' ORDER BY employee)
FROM mytable
GROUP BY comp...
Does JavaScript have a built in stringbuilder class?
...
Fabian JakobsFabian Jakobs
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7
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Backbone.js get and set nested object attribute
...ever nest POJSOs ("plain old JavaScript objects") in your models, and instead nest custom model classes. So it would look something like this:
var Obj = Backbone.Model.extend({
defaults: {
myAttribute1: false,
myAttribute2: true
}
});
var MyModel = Backbone.Model.extend({
...
CSS: How to position two elements on top of each other, without specifying a height?
...s or you will come across odd and confusing behavior; you probably want to add top: 0; left: 0 to the CSS for both of your absolutely positioned elements. You'll also want to have position: relative on .container_row if you want the absolutely positioned elements to be positioned with respect to the...
Ignore with CSS?
... on a site which has line breaks inserted as <br> in some of the headings. Assuming I can't edit the source HTML, is there a way with CSS I can ignore these breaks?
...
$location / switching between html5 and hashbang mode / link rewriting
...l5Mode(true);
You should set the base in HTML-file
<html>
<head>
<base href="/">
</head>
</html>
In this mode you can use links without the # in HTML files
<a href="/path">link</a>
Link in Browser:
http://www.example.com/base/path
Hashbang...