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Is it wrong to use Deprecated methods or classes in Java?
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1. Is it wrong to use Deprecated methods or classes in Java?
From the definition of deprecated:
A program element annotated @Deprecated is one that programmers are discouraged from using, typically because it is dangerous, or because a better alternative exists.
The method is kep...
Generate a random point within a circle (uniformly)
...es simply by picking an angle theta. So we now need to generate a distance from the center by picking a point in the sliver ABC. Again, extend to ABCD, where D is now twice the radius from the circle center.
Picking a random point in ABCD is easy using the above method. Pick a random point on AB. U...
Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
When trying to do a HTTP request using XMLHttpRequest from a local file, it basically fails due to Access-Control-Allow-Origin violation.
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Removing carriage return and new-line from the end of a string in c#
...move the carriage return character (\r) and the new line character (\n) from the end of a string?
12 Answers
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How does JPA orphanRemoval=true differ from the ON DELETE CASCADE DML clause
...hing. It marks "child" entity to be removed when it's no longer referenced from the "parent" entity, e.g. when you remove the child entity from the corresponding collection of the parent entity.
ON DELETE CASCADE is a database-specific thing, it deletes the "child" row in the database when the "par...
How to stop EditText from gaining focus at Activity startup in Android
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Excellent answers from Luc and Mark however a good code sample is missing. Adding the tag android:focusableInTouchMode="true" and android:focusable="true" to parent layout (e.g. LinearLayout or ConstraintLayout) like the following example will...
Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
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Look. This is way old, but on the off chance that someone from Google finds this, absolutely the best solution to this - (and it is AWESOME) - is to use ConEmu (or a package that includes and is built on top of ConEmu called cmder) and then either use plink or putty itself to connec...
SQL update from one Table to another based on a ID match
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I believe an UPDATE FROM with a JOIN will help:
MS SQL
UPDATE
Sales_Import
SET
Sales_Import.AccountNumber = RAN.AccountNumber
FROM
Sales_Import SI
INNER JOIN
RetrieveAccountNumber RAN
ON
SI.LeadID = RAN.LeadID;
MySQL and...
Git “error: The branch 'x' is not fully merged”
Here are the commands I used from the master branch
11 Answers
11
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Why are variables “i” and “j” used for counters?
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It comes ultimately from mathematics: the summation notation traditionally uses i for the first index, j for the second, and so on. Example (from http://en.wikipedia.org/wiki/Summation):
It's also used that way for collections of things,...