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creating list of objects in Javascript
...= entry;
listOfObjects.push(singleObj);
});
here's a working example http://jsfiddle.net/b9f6Q/2/
see console for output
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What does rake db:test:prepare actually do?
...it first checks for pending migrations and warns
you appropriately.
-- http://guides.rubyonrails.org/testing.html
Basically it handles cloning the database so you don't have to run the migrations against test to update the test database.
...
Margin while printing html page
...de the html body element, which is normally controlled by the browser. See http://www.w3.org/TR/1998/REC-CSS2-19980512/page.html.
This currently works in all major browsers except Safari.
In Internet explorer, the margin is actually set to this value in the settings for this printing, and if you do...
New features in java 7
...e system. A zip file system provider is also available in JDK 7.
Source: http://ohmjavaclasses.blogspot.com/
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mongodb: insert if not exists
...
As of MongoDB 2.4, you can use $setOnInsert (http://docs.mongodb.org/manual/reference/operator/setOnInsert/)
Set 'insertion_date' using $setOnInsert and 'last_update_date' using $set in your upsert command.
To turn your pseudocode into a working example:
now = dateti...
Can't find a “not equal” css attribute selector
...
:not([foo=''])
{
background: red;
}
http://jsfiddle.net/gsLvuys0/
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Downloading a file from spring controllers
...
public void getFile(
@PathVariable("file_name") String fileName,
HttpServletResponse response) {
try {
// get your file as InputStream
InputStream is = ...;
// copy it to response's OutputStream
org.apache.commons.io.IOUtils.copy(is, response.getOutputStream());...
Is there a jQuery unfocus method?
...
$('#textarea').blur()
Documentation at: http://api.jquery.com/blur/
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How do I load an HTML page in a using JavaScript?
...tion load_home (e) {
(e || window.event).preventDefault();
fetch("http://www.yoursite.com/home.html" /*, options */)
.then((response) => response.text())
.then((html) => {
document.getElementById("content").innerHTML = html;
})
.catch((error) => {
co...
How do I resolve “Cannot find module” error using Node.js?
...e depends on. A few days ago, somebody unpublished all of their packages (https://kodfabrik.com/journal/i-ve-just-liberated-my-modules) which broke React, Babel, and just about everything else. Hopefully it's clear now that if you have production code, you can't rely on NPM actually maintaining yo...