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Rails 4 multiple image or file upload using carrierwave
How can I upload multiple images from a file selection window using Rails 4 and CarrierWave? I have a post_controller and post_attachments model. How can I do this?
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How do I “decompile” Java class files? [closed]
What program can I use to decompile a class file? Will I actually get Java code, or is it just JVM assembly code?
19 Answer...
PostgreSQL database default location on Linux
.... If you install from source, the default is /usr/local/pgsql/data:
In file system terms, a database
cluster will be a single directory
under which all data will be stored.
We call this the data directory or
data area. It is completely up to you
where you choose to store your data.
T...
Run class in Jar file
If you have a jar file called myJar.jar located in /myfolder and you want to use the class called myClass from it, how do you go about doing it from the command line?
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How can I use grep to show just filenames on Linux?
How can I use grep to show just file-names (no in-line matches) on Linux?
4 Answers
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eclipse won't start - no java virtual machine was found
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Two ways to work around this .
Recommended way : In your eclipse.ini file make sure you are
pointing -vm to your jdk installation. More on this here. Make sure to add -vm before the -vmargs section.
Pass in the vm flag from command line. http://wiki.eclipse.org/FAQ_How_do_I_run_Eclipse%3F#Find...
How to commit my current changes to a different branch in Git [duplicate]
...you pop and see the conflicts:
# Unstage everything (warning: this leaves files with conflicts in your tree)
git reset
# Add the things you *do* want to commit here
git add -p # or maybe git add -i
git commit
# The stash still exists; pop only throws it away if it applied cleanly
git checkout...
Eclipse menus don't show up after upgrading to Ubuntu 13.10
...realise that it might be helpful if I clarify myself, the desktop shortcut file for Eclipse would contain something like this:
[Desktop Entry]
Version=4.3.0
Name=Eclipse
Comment=IDE for all seasons
#Exec=/home/USERNAME/Dokument/eclipse/eclipse
Exec=env UBUNTU_MENUPROXY=0 /home/USERNAME/Dokument/ecl...
Force overwrite of local file with what's in origin repo?
I want to get the latest file that's in the repository, and overwrite what I have locally. How can I do this with the git client?
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What does extern inline do?
...erate a externally visible out-of-line version, though it might generate a file static one. The one-definition rule does not apply, since there is never an emitted external symbol nor a call to one.
C99 (or GNU99):
inline: like GNU89 "extern inline"; no externally visible function is emitted, bu...