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Shell one liner to prepend to a file
... for a time. Such fun.
The solution exploits the exact implementation of file descriptors on your system and, because implementation varies significantly between nixes, it's success is entirely system dependent, definitively non-portable, and should not be relied upon for anything even vaguely imp...
How to save an image to localStorage and display it on the next page?
... keep getting cropped, here's some code to get the dimensions of the image file before saving to localstorage.
First, I would create some hidden input boxes to hold the width and height values
<input id="file-h" hidden type="text"/>
<input id="file-w" hidden type="text"/>
Then get the d...
Comparing HTTP and FTP for transferring files
...are the advantages (or limitations) of one over the other for transferring files over the Internet?
5 Answers
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How to secure database passwords in PHP?
...l solution is to move the password out of source-code into a configuration file. Then leave administration and securing that configuration file up to your system administrators. That way developers do not need to know anything about the production passwords, and there is no record of the password ...
How to solve error “Missing `secret_key_base` for 'production' environment” (Rails 4.1)
...d to deploy my application it didn't start properly and in the unicorn.log file I found this error message:
app error: Missing `secret_key_base` for 'production' environment, set this value in `config/secrets.yml` (RuntimeError)
After some research I found out that Rails 4.1 changed the way to ma...
How do I move files in node.js?
How can I move files (like mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
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.gitignore exclude files in directory but not certain directories
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Git doesn't track folders, only files, so if you ignore everything in a folder, Git won't have anything to track. You can add a .gitignore file to each directory (application/cache, application/cache/folder, application/cache/folder/onemorefolder/) with the...
How do I escape spaces in path for scp copy in Linux?
I'm new to linux, I want to copy a file from remote to local system... now I'm using scp command in linux system.. I have some folders or files names are with spaces, when I try to copy that file, it shows the error message: "No such file or directory"
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How can I check if an argument is defined when starting/calling a batch file?
I'm trying to use the following validation logic in a batch file but the "usage" block never executes even when no parameter is supplied to the batch file.
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What is the easiest way to parse an INI file in Java?
...for a legacy application in Java. One of the requirements is that the ini files that the older application used have to be read as-is into the new Java Application. The format of this ini files is the common windows style, with header sections and key=value pairs, using # as the character for comm...