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Hide options in a select list using jQuery
....getElementById('edit-field-service-sub-cat-value').options).each(function(index, option) {
if( option.value == title ) {
option.hidden = true; // not fully compatible. option.style.display = 'none'; would be an alternative or $(option).hide();
}
});
});
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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If the script is the same across all users, you can use a lockfile approach. If you acquire the lock, proceed else show a message and exit.
As an example:
[Terminal #1] $ lockfile -r 0 /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the....
Request is not available in this context
...on here: stackoverflow.com/questions/1790457/…
– jball
Mar 25 '10 at 17:55
6
Thanks. I had seen...
Django: Get model from string?
...d in 1.9) in favor of the the new application loading system.
-- Scott Woodall
Found it. It's defined here:
from django.db.models.loading import get_model
Defined as:
def get_model(self, app_label, model_name, seed_cache=True):
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Difference between json.js and json2.js
...is correct in this case. json2007 was wrong to ignore the first element at index 0.
– Rob Kinyon
Jan 31 '16 at 1:45
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Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
7
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Get IP address of visitors using Flask for Python
...emote_addr)
When proxies, such as nginx, forward addresses, they typically include the original IP somewhere in the request headers.
Update See the flask-security implementation. Again, review the documentation about ProxyFix before implementing. Your solution may vary based on your particular...
How to get Linux console window width in Python
Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window.
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
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Objective-C:
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell* cell = [super tableView:tableView cellForRowAtIndexPath:indexPath];
if(cell == self.cellYouWantToHide)
return 0; //set the hidden cell's height to 0
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Looking to understand the iOS UIViewController lifecycle
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All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themsel...