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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 to replace spaces in file names using a bash script
...ecommend a safe solution to recursively replace spaces with underscores in file and directory names starting from a given root directory? For example:
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How to format all Java files in an Eclipse project at one time?
...ect and the code is not well formatted. I'd like to format all the .java files according to the settings in Eclipse. I don't want to edit every individual file with Ctrl + Shift + F . Is there a way to format all my files? Perhaps an Eclipse plugin?
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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 do I activate a virtualenv inside PyCharm's terminal?
...e in Settings (Preferences) | Tools
| Terminal.
Old Method:
Create a file .pycharmrc in your home folder with the following contents
source ~/.bashrc
source ~/pycharmvenv/bin/activate
Using your virtualenv path as the last parameter.
Then set the shell Preferences->Project Settings->...
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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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...
How exactly does CMake work?
...what was going on behind the scenes when for such a small CMakeLists.txt file
3 Answers
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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...