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The differences between .build, .create, and .create! and when should they be used?
...tive can be useful in controllers where respond_with is used for API (JSON/XML) responses. In this case the existence of errors on the object will cause the errors to be returned in the response with a status of unprocessable_entity, which is exactly what you want from an API.
I would always use th...
How can I kill a process by name instead of PID?
... I had to add the -f flag too for killing a background process running a Python script.
– Mason
Aug 8 '18 at 14:03
i...
How to extract the substring between two markers?
...urn an empty string if either "AAA" or "ZZZ" don't exist in your_text.
PS Python Challenge?
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Setting design time DataContext on a Window is giving a compiler error?
...red/"commented out" by the real compiler/xaml parser!
<Window
...
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
...
/>
The following was taken from
Nathan, Adam (2010-06-04)...
API pagination best practices
...API should then return something like this (assuming JSON, but if it needs XML the same principles can be followed):
{
"data" : [
{ data item 1 with all relevant fields },
{ data item 2 },
...
{ data item 100 }
],
"paging": {
"previous": ...
Add single element to array in numpy
...2 s ± 16.1 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
Using python list converting to array afterward:
d = [0]
for k in range(int(10e4)):
d.append(k)
f = np.array(d)
13.5 ms ± 277 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
Pre-allocating numpy array:
e = np.ze...
When should I use h:outputLink instead of h:commandLink?
...ur of EL in template text #{...} and h:outputText. Both escapes predefined XML entities (no, that's not the same as URL encoding). The h:outputText only offers more attribtues like id, styleClass, etc to control the component and/or markup.
– BalusC
Nov 30 '10 ...
A free tool to check C/C++ source code against a set of coding standards? [closed]
...
Try nsiqcppstyle. It's a Python based coding style checker for C/C++. It's easy to extend to add your own rules.
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Can Flask have optional URL parameters?
...able with the defaults in the function head - the way you are used to with python:
@app.route('/<user_id>')
@app.route('/<user_id>/<username>')
def show(user_id, username='Anonymous'):
return user_id + ':' + username
...
How do you uninstall MySQL from Mac OS X?
... mysql directory or file and removed most of what came up (aside from Perl/Python access modules). You may also need to check that the daemon is not still running using Activity Monitor (or at the command line using ps -A). I found that mysqld was still running even after deleting the files.
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