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What is a clean, pythonic way to have multiple constructors in Python?
...sing __new__.
This could be used if the type of initialization cannot be selected based on the type of the constructor argument, and the constructors do not share code.
Example:
class MyClass(set):
def __init__(self, filename):
self._value = load_from_file(filename)
@classmeth...
What is the 'page lifecycle' of an ASP.NET MVC page, compared to ASP.NET WebForms?
... issues of webform controls.
You can use jquery to hook into the dropdown selection on the client side and submit standard or ajax style requests. Those request can return new pages, redirects, html fragments or even JSON data that can be used to update the existing page.
The asp.net Session can b...
How do I get the localhost name in PowerShell?
...ComputerSystem get Name
Powershell
Get-WMIObject Win32_ComputerSystem | Select-Object -ExpandProperty name
and ...
hostname.exe
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What is the purpose of Node.js module.exports and how do you use it?
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the module.exports property or the exports object allows a module to select what should be shared with the application
I have a video on module_export available here
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Why is “origin/HEAD” shown when running “git branch -r”?
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@robinst is correct.
In git, you can select which branch is checked out by default (i.e. when you clone). By default, origin/HEAD will point at that.
On GitHub, You can change this in the Admin settings for your GitHub repo. You can also do it from the command-...
What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?
...zontal and vertical options for the Entry and changed the text to show the selected options, so you can see how the Entry moves and resizes.
Here is the code used for Start:
<Label Text="Vert: Start, Horz: Start" VerticalOptions="Start" HorizontalOptions="Start" BackgroundColor="White"/>
And...
How do I import the javax.servlet API in my Eclipse project?
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Rightclick project and choose Properties.
In Targeted Runtimes section, select the integrated server.
Either way, Eclipse will then automatically take the servletcontainer's libraries in the build path. This way you'll be able to import and use the Servlet API.
Never carry around loose serv...
How can I expand and collapse a using javascript?
... I will get rid of it and just use a border. This is excellent because it selects the div to expand relative to the header I've clicked, which is important because of the fact that I may have several different numbers of listed items depending on user settings and other factors.
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How to append to New Line in Node.js
...tepad++ you can do find all "\\n" replace "\n" with "Extended" search mode selected at the bottom of the dialog.
– Drew
Nov 12 '19 at 19:12
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Get content uri from file path in android
...dio and video. I am giving you the code for getting image content uri from selecting an image from sdcard. Try this code, maybe it will work for you...
public static Uri getImageContentUri(Context context, File imageFile) {
String filePath = imageFile.getAbsolutePath();
Cursor cursor = context.g...