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Difference between Array and List in scala
...he former is generally used for lists which are only ever traversed (and whose size is not known upfront) whereas the latter should be used for lists which either have a known size (or maximum size) or for which fast random access is important.
Mutable Structures
ListBuffer provides a constant-ti...
using facebook sdk in Android studio
...k.com/docs/android/
Unzip the archive
In Android Studio 0.5.5 or later, choose "Import Module" from the File menu.
In the wizard, set the source path of the module to import as the "facebook" directory inside the unpacked archive. (Note: If you choose the entire parent folder, it will bring in not o...
In Intellij, how do I toggle between camel case and underscore spaced?
...p a shortcut at File | Settings | Keymap.
A quick search of the plugin repository for "camel" showed a plugin called CamelCase which does exactly what you're looking for with SHIFT+ALT+U by toggling between various formats:
historyOfPresentIllness --> history_of_present_illness --> HISTORY_O...
Unicode (UTF-8) reading and writing to files in Python
....
When you write
Capit\xc3\xa1n
into your file you have "\xc3" in it. Those are 4 bytes and in your code you read them all. You can see this when you display them:
>>> open('f2').read()
'Capit\\xc3\\xa1n\n'
You can see that the backslash is escaped by a backslash. So you have four byt...
Creating temporary files in bash
...
It seems the most safe and most cross-platform way to use mktemp is in combination with basename, like so mktemp -dt "$(basename $0). XXXXXXXXXX". If used without basename you might get an error like this mktemp: invalid template, `/tmp/MO...
Sort NSArray of date strings or objects
...dited Apr 25 '13 at 7:17
Paras Joshi
19.8k1111 gold badges5353 silver badges6969 bronze badges
answered Oct 12 '10 at 9:25
...
How to get the IP address of the docker host from inside a docker container
...s the title says. I need to be able to retrieve the IP address the docker hosts and the portmaps from the host to the container, and doing that inside of the container.
...
How to make vim paste from (and copy to) system's clipboard?
... may do different things. For instance, on systems that don't use X11 like OSX or Windows, the "* register is used to read and write to the system clipboard. On X11 systems both registers can be used. See :help x11-selection for more details, but basically the "* is analogous to X11's _PRIMARY_ sele...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...ut the line:
. ~/.bashrc
This automatically sources the rc file under those circumstances where it would normally only process the profile.
The rules as to when bash runs certain files are complicated, and depend on the type of shell being started (login/non-login, interactive or not, and so for...
Scrollview vertical and horizontal in android
...
package com.scrollable.view;
import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.widget.HorizontalScrollView;
import android.widget.ScrollView;
public class ScrollableImageActivity extends Activity {
private float mx, my;
private float c...