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How to have jQuery restrict file types on upload?
I would like to have jQuery limit a file upload field to only jpg/jpeg, png, and gif. I am doing backend checking with PHP already. I am running my submit button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert.
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How to change the remote repository for a git submodule?
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You should just be able to edit the .gitmodules file to update the URL and then run git submodule sync --recursive to reflect that change to the superproject and your working copy.
Then you need to go to the .git/modules/path_to_submodule dir and change its config file to...
Could not load file or assembly 'Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=3
...hat I deleted Json.Net's <dependentAssembly> section from my .config file. Reinstall brings it back if it's not there and apparently you need to delete it. Until there will be a normal solution in the package itself, I'm afraid this manual step is a must.
Note: Please read the comments below ...
Printing newlines with print() in R
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An alternative to cat() is writeLines():
> writeLines("File not supplied.\nUsage: ./program F=filename")
File not supplied.
Usage: ./program F=filename
>
An advantage is that you don't have to remember to append a "\n" to the string passed to cat() to get a newline after you...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...create=True) as mock_open:
... mock_open.return_value = MagicMock(spec=file)
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... with open('/some/path', 'w') as f:
... f.write('something')
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<mock.Mock object at 0x...>
>>> file_handle = mock_open.return_value.__enter__.return_value
>>> file_handle.wri...
Generating an Excel file in ASP.NET [closed]
...odebehind) that will allow a user to get data returned to them as an Excel file, which I will generate based on database data. While there are several ways of doing this, each has its own drawbacks. How would you return the data? I'm looking for something that's as clean and straightforward as ...
List files by last edited date
...tories) and -t means "sort by last modification date".
To see a list of files sorted by date modified, use:
ls -l -Rt
An alias can also be created to achieve this:
alias lt='ls -lht'
lt
Where -h gives a more readable output.
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ZSH complains about RVM __rvm_cleanse_variables: function definition file not found
...blem:
rm ~/.zcompdump*
Note: The * is incase there are multiple .zcompdump files.
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Attach a file from MemoryStream to a MailMessage in C#
I am writing a program to attach a file to email. Currently I am saving file using FileStream into disk, and then I use
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How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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