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@ variables in Ruby on Rails
...'const' so that it can't be modified, etc)? I'm coming from a C/C++ & Java perspective, and the really vague and optional syntax is driving me nuts!
– Dan Devine
Jun 13 '18 at 18:05
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Fragment is not being replaced but put on top of the previous one
...planation. youtube.com/watch?v=EbcdMxAIr54
– SQL and Java Learner
Oct 17 '18 at 18:48
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Unresolved Import Issues with PyDev and Eclipse
I am very new to PyDev and Python, though I have used Eclipse for Java plenty. I am trying to work through some of the Dive Into Python examples and this feels like an extremely trivial problem that's just becoming exceedingly annoying. I am using Ubuntu Linux 10.04.
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How do I delete everything in Redis?
...ing sharding (512 logical dbs in each physical).
For this purpose I write java client tool that does all this work. In case of keys deletion the utility can be very simple, only one class there:
public class DataCleaner {
public static void main(String args[]) {
String keyPattern = ar...
How to convert a Drawable to a Bitmap?
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note: this causes massive java.lang.OutOfMemoryError with JPG's
– Someone Somewhere
Jun 21 '18 at 12:04
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...but consider how they can also be rather meaningless... Sun, you know SUN, java: 1.2, 1.3, 1.4 1.5 or 5 then 6.
In the good old Apple II version numbers Meant Something. Nowadays, people are giving up on version numbers and going with silly names like "Feisty fig" (or something like that) and "hardy...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...are the way Ruby libraries are packaged. They are to Ruby what jars are to Java. Inside a gem file, you find Ruby code (.rb files), but also tests, and a special file giving information on the gem itself, such as its name, dependencies and version (gemspec). Any Ruby project can define the gems it n...
Get spinner selected items text?
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use this
import java.util.ArrayList;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.view.View.OnClickListener;
import android.wi...
When should I use nil and NULL in Objective-C?
...t technically they are all just 0. Also, it is NULL not null -- null is in Java or C# but not in Objective-C.
– Jason Coco
Oct 14 '09 at 7:11
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How do you diff a directory for only files of a specific type?
...uch convoluted heuristic patterns as
*.[A-Zb-ik-uw-z]*
to find (mostly) java files!
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