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How can I compare two lists in python and return matches
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What would be the time complexity of the first example set(a) & set(b) ?
– AdjunctProfessorFalcon
May 19 '17 at 1:56
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Reading file contents on the client-side in javascript in various browsers
...)
{
alert(content);
}
ReadFileAllBrowsers(document.getElementById("file_upload"), CallBackFunction);
//Tested in Mozilla Firefox browser, Chrome
function ReadFileAllBrowsers(FileElement, CallBackFunction)
{
try
{
var file = FileElement.files[0];
var contents_ = "";
if (file) {
...
Renaming table in rails
...ion:
class RenameFoo < ActiveRecord::Migration
def self.up
rename_table :foo, :bar
end
def self.down
rename_table :bar, :foo
end
end
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
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Beware using Asset Studio in Android Studio automatically adds padding, shrinking the resulting image.
– Androidcoder
Jun 16 '15 at 17:03
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Do AJAX requests retain PHP Session info?
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What you're really getting at is: are cookies sent to with the AJAX request? Assuming the AJAX request is to the same domain (or within the domain constraints of the cookie), the answer is yes. So AJAX requests back to the same server do ...
How to compare software version number using js? (only number)
...from the two arrays; if the parts are not equal we know which version is smaller.
There are a few of important details to keep in mind:
How should the parts in each pair be compared? The question wants to compare numerically, but what if we have version strings that are not made up of just digits...
'Java' is not recognized as an internal or external command
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You need to configure your environment variables, JAVA_HOME and PATH.
JAVA_HOME must contain the path to java, and you should add %JAVA_HOME%\bin to PATH
Alternatively, you can simply add to your PATH the whole path to the bin folder, without the JAVA_HOME variable, however, t...
What's the best way to make a d3.js visualisation layout responsive?
...t doesn't require redrawing the graph, and it involves modifying the viewBox and preserveAspectRatio attributes on the <svg> element:
<svg id="chart" width="960" height="500"
viewBox="0 0 960 500"
preserveAspectRatio="xMidYMid meet">
</svg>
Update 11/24/15: most modern brow...
Can't find a “not equal” css attribute selector
...r is that it will also select elements that do not have a foo attribute at all. Consider:
<div>No foo</div>
<div foo="">Empty foo</div>
<div foo="x">XXX</div>
<div foo="y">YYY</div>
<div foo="z">ZZZ</div>
div:not([foo='']) will select bot...
Why can I use auto on a private type?
...e itself is still usable, which is why you can return it to client code at all.
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