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Sending an Intent to browser to open specific URL [duplicate]
...re up an Intent to the phone's browser to open an specific URL and display it.
10 Answers
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Stop “developer tools access needs to take control of another process for debugging to continue” ale
...roject in the simulator for the first time after logging in, I'm prompted with the following two alerts:
9 Answers
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Create nice column output in python
I am trying to create a nice column list in python for use with commandline admin tools which I create.
18 Answers
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How to make an Android device vibrate?
... v.vibrate(VibrationEffect.createOneShot(500, VibrationEffect.DEFAULT_AMPLITUDE));
} else {
//deprecated in API 26
v.vibrate(500);
}
Note:
Don't forget to include permission in AndroidManifest.xml file:
<uses-permission android:name="android.permission.VIBRATE"/>
...
Java Multiple Inheritance
In an attempt to fully understand how to solve Java's multiple inheritance problems I have a classic question that I need clarified.
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Which Java Collection should I use?
...like synchronized access, thread safety etc or the legacy collections, but it does cover the 3 standard Sets, 3 standard Maps and 2 standard Lists.
This image was created for this answer and is licensed under a Creative Commons Attribution 4.0 International License. The simplest attribution is by...
Javascript Regex: How to put a variable inside a regular expression?
...
string.replace(regex, "replacement");
Update
Per some of the comments, it's important to note that you may want to escape the variable if there is potential for malicious content (e.g. the variable comes from user input)
ES6 Update
In 2019, this would usually be written using a template string...
How to get the request parameters in Symfony 2?
...
The naming is not all that intuitive:
use Symfony\Component\HttpFoundation\Request;
public function updateAction(Request $request)
{
// $_GET parameters
$request->query->get('name');
// $_POST parameters
$request->request->ge...
How to generate all permutations of a list?
...
Starting with Python 2.6 (and if you're on Python 3) you have a standard-library tool for this: itertools.permutations.
import itertools
list(itertools.permutations([1, 2, 3]))
If you're using an older Python (<2.6) for some re...
How to version control a record in a database
... a FOO table that admins and users can update. Most of the time you can write queries against the FOO table. Happy days.
Then, I would create a FOO_HISTORY table. This has all the columns of the FOO table. The primary key is the same as FOO plus a RevisionNumber column. There is a foreign key ...