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How do I rename an open file in Emacs?
...m Steve Yegge's .emacs:
;; source: http://steve.yegge.googlepages.com/my-dot-emacs-file
(defun rename-file-and-buffer (new-name)
"Renames both current buffer and file it's visiting to NEW-NAME."
(interactive "sNew name: ")
(let ((name (buffer-name))
(filename (buffer-file-name)))
...
How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
How do I set global configuration for RSpec in Ubuntu.
6 Answers
6
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Selecting empty text input using jQuery
How do I identify empty textboxes using jQuery? I would like to do it using selectors if it is at all possible. Also, I must select on id since in the real code where I want to use this I don't want to select all text inputs.
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How do I cancel form submission in submit button onclick event?
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You are better off doing...
<form onsubmit="return isValidForm()" />
If isValidForm() returns false, then your form doesn't submit.
You should also probably move your event handler from inline.
document.getElementById('my-form').onsu...
addEventListener vs onclick
...h every other browser. With versions less than 9, you use the attachEvent[doc] method, like this:
element.attachEvent('onclick', function() { /* do stuff here*/ });
In most other browsers (including IE 9 and above), you use addEventListener[doc], like this:
element.addEventListener('click', fu...
How do I daemonize an arbitrary script in unix?
...ohup yourScript.sh script args&
The nohup command allows you to shut down your shell session without it killing your script, while the & places your script in the background so you get a shell prompt to continue your session. The only minor problem with this is standard out and standard er...
How can I obfuscate (protect) JavaScript? [closed]
...anted a user to see, you would have a couple of options. First, you could do some kind of encryption, which is decrypted at page load. That would probably be one of the most secure options, but also a lot of work which may be unnecessary. You could probably base64 encode some string values, and t...
Bulk insert with SQLAlchemy ORM
Is there any way to get SQLAlchemy to do a bulk insert rather than inserting each individual object. i.e.,
10 Answers
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How do I check for null values in JavaScript?
... Readers, please be careful when using this type of test on numeric data. Do not use ! or !! to test for null or undefined on typically-numeric data unless you also want to throw away values of 0.
– NickS
Feb 24 '16 at 21:06
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Finding what branch a Git commit came from
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While Dav is correct that the information isn't directly stored, that doesn't mean you can't ever find out. Here are a few things you can do.
Find branches the commit is on
git branch -a --contains <commit>
This will tell you all branches which have the given commit in their history. ...