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Why do we always prefer using parameters in SQL statements?
...ax validation and Intellisense for your tables and columns. You can assign test data in the special comments section and click "play" to run your query right there in the window. Creating a parameter is as easy as putting "@myParam" in your SQL. Then, each time you save, QueryFirst generates the C# ...
How can I order a List?
...ther change its declared type, or use a cast. If you're not sure, you can test the type:
if (typeof(List<string>).IsAssignableFrom(ListaServizi.GetType()))
((List<string>)ListaServizi).Sort();
else
{
//... some other solution; there are a few to choose from.
}
Perhaps more id...
Adding a column to a data.frame
...n's answer, something like this might be even simpler. Note that I haven't tested it because I do not have access to R right now.
# Note that I use a global variable here
# normally not advisable, but I liked the
# use here to make the code shorter
index <<- 0
new_column = sapply(df$h_no, fun...
How to get a one-dimensional scalar array as a doctrine dql query result?
...;
More info:
http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/dql-doctrine-query-language.html#custom-hydration-modes
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Node.js spawn child process and get terminal output live
...ontrolling terminal, which would allow it to run asynchronously. I haven't tested this yet, but there are examples in the API docs that go something like this:
child = require('child_process').execFile('path/to/script', [
'arg1', 'arg2', 'arg3',
], {
// detachment and ignored stdin are th...
How to change the commit author for one specific commit?
...st which is similar to this answer but is more complete.
The following is tested and working, unlike the linked answer.
Assume for clarity of exposition that 03f482d6 is the commit whose author we are trying to replace, and 42627abe is the commit with the new author.
Checkout the commit we are t...
CSS to set A4 paper size
...ing else the way it is in your original CSS and fix the problem in Chrome (tested in different versions of Chrome under Windows, OS X and Ubuntu).
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Where to put model data and behaviour? [tl; dr; Use Services]
I am working with AngularJS for my latest project. In the documentation and tutorials all model data is put into the controller scope. I understand that is has to be there to be available for the controller and thus within the corresponding views.
...
How to include external Python code to use in other files?
...
I've found the python inspect module to be very useful
For example with teststuff.py
import inspect
def dostuff():
return __name__
DOSTUFF_SOURCE = inspect.getsource(dostuff)
if __name__ == "__main__":
dostuff()
And from the another script or the python console
import teststuff
e...
Temporarily disable some plugins using pathogen in vim.
... the current bundle directory
create a new empty bundle directory
put your test plugin files into the new bundle dir?
When done put everything back the way it was. (The suggested method of loading Vim without plugins and sourcing the plugin file would work if it's a simple one-file plugin, but ...