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Convert Time from one time zone to another in Rails
...ious reply it's suggested to use a before_filter to set the timezone temporally.
You should never, ever do that because Time.zone stores the information in the thread, and it will probably leak to the next request handled by that thread.
Instead you should use an around_filter to make sure that t...
What is the most efficient string concatenation method in python?
... idiomatic and thus easier for other python programmers to understand.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of r...
How to prevent XSS with HTML/PHP?
...
Basically you need to use the function htmlspecialchars() whenever you want to output something to the browser that came from the user input.
The correct way to use this function is something like this:
echo htmlspecialchars($st...
How to do what head, tail, more, less, sed do in Powershell? [closed]
...an above option
gc log.txt | more # or less if you have it installed
gc log.txt | %{ $_ -replace '\d+', '($0)' } # sed
This works well enough for small files, larger ones (more than a few MiB) are probably a bit slow.
The PowerShell Community Extensions include some cmdlets fo...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
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I'm a bit on both sides, actually :
When what I need on the javascript side is data, I use JSON
When what I need on the javascript side is presentation on which I will not do any calculation, I generally use HTML
The main advantage of using HTML is w...
Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
...o PTP) that enabled my Nexus 7 to show up. Now on to adding support for my apps for tablets - Thanks so much!
– Robbe
Aug 31 '12 at 18:18
6
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How to process SIGTERM signal gracefully?
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@Mausy5043 Python allows you to not have parenthesis for defining classes. Although it's perfectly fine for python 3.x, but for python 2.x, best practice is to use "class XYZ(object):". Reason being: docs.python.org/2/reference/datamodel.html#...
Docker can't connect to docker daemon
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Linux
The Post-installation steps for Linux documentation reveals the following steps:
Create the docker group.
sudo groupadd docker
Add the user to the docker group.
sudo usermod -aG docker $(whoami)
Log out and log back in to ensure docker ...
Load HTML file into WebView
...y would probably be to put your web resources into the assets folder then call:
webView.loadUrl("file:///android_asset/filename.html");
For Complete Communication between Java and Webview See This
Update: The assets folder is usually the following folder:
<project>/src/main/assets
This ca...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
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The ContentList's Set method will not get called when you change a value inside the collection, instead you should be looking out for the CollectionChanged event firing.
public class CollectionViewModel : ViewModelBase
{
public ObservableCollection<E...