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Emacs on Mac OS X Leopard key bindings
...ference pane
In the Keyboard tab, click Modifier Keys...
Swap the actions for Caps Lock and Control.
Using ALT/OPTION as META
In the menu bar, click Terminal
Click Preferences...
Under the Settings tab, go to the Keyboard tab
Check the box labeled Use option as meta key
That's it! You shou...
Set size on background image with CSS?
...d to make the image bigger, you must edit the image itself in an image editor.
If you use the img tag, you can change the size, but that would not give you the desired result if you need the image to be background for some other content (and it will not repeat itself like you seems to want)...
CSS3 ...
How to install the JDK on Ubuntu Linux
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Referring to Ask Ubuntu question How to set JAVA_HOME for OpenJDK?,
How to install Open JDK (Java developement kit) in Ubuntu (Linux)?
Open Terminal from Application Dash or press Ctrl+Alt+T
Update repository:
sudo add-apt-repository ppa:openjdk-r/ppa # only Ubuntu 17.4 and ...
Does Java have something like C#'s ref and out keywords?
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No, Java doesn't have something like C#'s ref and out keywords for passing by reference.
You can only pass by value in Java. Even references are passed by value. See Jon Skeet's page about parameter passing in Java for more details.
To do something similar to ref or out you would ...
Filter LogCat to get only the messages from My Application in Android?
I observed that when i use Logcat with Eclipse with ADT for Android, I get messages from many other applications as well. Is there a way to filter this and show only messages from my own application only.
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How to set Python's default version to 3.x on OS X?
...in your ~/.profile, and then source ~/.profile in your ~/.bash_profile and/or your~/.zsh_profile with a line like:
[ -e ~/.profile ] && . ~/.profile
This way, your alias will work across shells.
With this, python command now invokes python3. If you want to invoke the "original" python (...
How to format a number as percentage in R?
One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing.
10 Answe...
Return array in a function
... also be treated as a pointer to the beginning of your array's block in memory, by an implicit conversion. This syntax that you're using:
int fillarr(int arr[])
Is kind of just syntactic sugar. You could really replace it with this and it would still work:
int fillarr(int* arr)
So in the sam...
Can I try/catch a warning?
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Set and restore error handler
One possibility is to set your own error handler before the call and restore the previous error handler later with restore_error_handler().
set_error_handler(function() { /* ignore errors */ });
dns_get_re...
How to manually include external aar package using new Gradle Android Build System
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Please follow below steps to get it working ( I have tested it up to Android Studio 2.2)
Lets say you have kept aar file in libs folder. ( assume file name is cards.aar )
then in app build.gradle specify following and click sync project with Gradle files.
Open P...