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Bash empty array expansion with `set -u`
... already the recommendation in ikegami's answer, but there's a lot of misinformation and guesswork in this thread. Other patterns, such as ${arr[@]-} or ${arr[@]:0}, are not safe across all major versions of Bash.
As the table below shows, the only expansion that is reliable across all modern-ish B...
Set Django IntegerField by choices=… name
... FWIW, if you need set it from a literal string (perhaps from a form, user input, or similar) you can then just do: thing.priority = getattr(thing, strvalue.upper()).
– mrooney
Feb 24 '13 at 23:22
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Get bitcoin historical data [closed]
...ly, you CAN get the whole Bitcoin trades history from Bitcoincharts in CSV format here :
http://api.bitcoincharts.com/v1/csv/
it is updated twice a day for active exchanges, and there is a few dead exchanges, too.
EDIT: Since there are no column headers in the CSVs, here's what they are :
column 1...
Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
... the process exposing headers that might contain personally identifiable information meant to be encrypted with an SSL connection...frankly, I don't see the FF Dev Team as the irresponsible entity in this matter...
– Assimilater
Oct 3 '13 at 17:39
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How to wait for a BackgroundWorker to cancel?
...);
private AutoResetEvent _resetEvent = new AutoResetEvent(false);
public Form1()
{
InitializeComponent();
worker.DoWork += worker_DoWork;
}
public void Cancel()
{
worker.CancelAsync();
_resetEvent.WaitOne(); // will block until _resetEvent.Set() call made
}
void worker_DoWork(ob...
How to achieve code folding effects in Emacs?
...ns this long, though?)
There is also speedbar, which displays the imenu information (and other things) graphically.
If you want to get an overview of your file, try M-xoccur". Given a regex, it will create a new buffer with each match in the current buffer. You can search for "(defun" to get an ...
How to copy files between two nodes using ansible
I need to copy file form machine A to machine B whereas my control machine from where i run all my ansible tasks is machine C(local machine)
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Firebug says “No Javascript on this page”, even though JavaScript does exist on the page
...ssion on the migration. Read all the posts dated 19 November for further information.
It seems to me that the option gives less functionality but Firebug per se is never going to be fixed for Firefox 50 and beyond
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What is the advantage of using heredoc in PHP? [closed]
... is ${user}'s birthday"
Here documents for multi-line strings that require formatting and variable interpolation.
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Best practice for localization and globalization of strings and labels [closed]
...(something near 10 modules). In each module we might have at least 50 CRUD forms, which means that we currently have near 500 add buttons , save buttons , edit buttons , etc.
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