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Change application's starting activity
...ted the meat and guts of my application but I want to add a different activity that will be the starting point (sort of a log-in screen).
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How to debug a Flask app
...K_APP to your app as well).
For Linux, Mac, Linux Subsystem for Windows, Git Bash on Windows, etc.:
export FLASK_APP=myapp
export FLASK_ENV=development
flask run
For Windows CMD, use set instead of export:
set FLASK_ENV=development
For PowerShell, use $env:
$env:FLASK_ENV = "development"
P...
store and retrieve a class object in shared preference
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You can only store, simple values in SharedPrefences SharePreferences.Editor
What particularly about the class do you need to save?
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cd into directory without having permission
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@user812954's answer was quite helpful, except I had to do this this in two steps:
sudo su
cd directory
Then, to exit out of "super user" mode, just type exit.
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What's the best way to limit text length of EditText in Android
What's the best way to limit the text length of an EditText in Android?
22 Answers
2...
How to determine a Python variable's type?
How do I see the type of a variable whether it is unsigned 32 bit, signed 16 bit, etc.?
17 Answers
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Difference between “process.stdout.write” and “console.log” in node.js?
What is the difference between "process.stdout.write" and "console.log" in node.js?
8 Answers
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Numpy index slice without losing dimension information
I'm using numpy and want to index a row without losing the dimension information.
6 Answers
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How to declare std::unique_ptr and what is the use of it?
...r of unique_ptr<T> accepts a raw pointer to an object of type T (so, it accepts a T*).
In the first example:
unique_ptr<int> uptr (new int(3));
The pointer is the result of a new expression, while in the second example:
unique_ptr<double> uptr2 (pd);
The pointer is stored in...
Using IQueryable with Linq
...ce, from a user's perspective, is that, when you use IQueryable<T> (with a provider that supports things correctly), you can save a lot of resources.
For example, if you're working against a remote database, with many ORM systems, you have the option of fetching data from a table in two ways,...