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How to send a custom http status message in node / express?
...ype = Object.create(Error);
JSONError.prototype.constructor = JSONError;
Now, when I want to throw an Error in the code, I do:
var err = new JSONError(404, 'Uh oh! Can't find something');
next(err);
Going back to the custom error handling middleware, I modify it to:
app.use(function(err, req, ...
WPF Data Binding and Validation Rules Best Practices
... I am using data binding to allow editing of some custom CLR objects. I am now wanting to put some input validation in when the user clicks save. However, all the WPF books I have read don't really devote any space to this issue. I see that you can create custom ValidationRules, but I am wondering i...
Custom Cell Row Height setting in storyboard is not responding
...initely NOT a bug, because your table is Dynamic, so how could the system know where your gone a use each of those cells ? And how many times each prototype would be used.
– Vincent Bernier
Jan 3 '14 at 16:44
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How to have the cp command create any necessary folders for copying a file to a destination [duplica
...
I didn't know you could do that with cp.
You can do it with mkdir ..
mkdir -p /var/path/to/your/dir
EDIT
See lhunath's answer for incorporating cp.
shar...
Learning about LINQ [closed]
... don't have much context behind them. So in an attempt to consolidate the knowledge I've acquired on Linq I'm posting this question with a view to maintaining and updating it with additional information as I continue to learn about LINQ.
...
How do you display code snippets in MS Word preserving format and syntax highlighting?
Does anyone know a way to display code in Microsoft Word documents that preserves coloring and formatting? Preferably, the method would also be unobtrusive and easy to update.
...
Creating an empty Pandas DataFrame, then filling it?
...me
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we could create an empty DataFrame (with NaNs) simply by writing:
df_ = pd.DataFrame(index=index,...
Switching between GCC and Clang/LLVM using CMake
...
Thanks, I didn't know about this! Although I guess it depends on where cmake is looking for a compiler, right?
– Ibrahim
Dec 4 '12 at 5:55
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Handling very large numbers in Python
... example of a huge integer value, fib(4000000).
But still it does not (for now) supports an arbitrarily large float !!
If you need one big, large, float then check up on the decimal Module. There are examples of use on these foruns: OverflowError: (34, 'Result too large')
Another reference: http://d...
Alternative for PHP_excel
... from Sourceforge (spreadsheetML only)
Ilia Alshanetsky's Excel extension now on github (xls and xlsx, and requires commercial libXL component)
PHP's COM extension (requires a COM enabled spreadsheet program such as MS Excel or OpenOffice Calc running on the server)
The Open Office alternative to C...