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What in the world are Spring beans?
...ating actual instances of the class defined by that bean
definition. The idea that a bean definition is a recipe is important,
because it means that, just like a class, you can potentially have
many object instances created from a single recipe.
You can control not only the various depend...
Python argparse mutual exclusive group
...t) that would allow you to do this.
http://bugs.python.org/issue10984
The idea is to allow overlapping mutually exclusive groups. So usage might look like:
pro [-a xxx | -b yyy] [-a xxx | -c zzz]
Changing the argparse code so you can create two groups like this was the easy part. Changing the ...
How can I do string interpolation in JavaScript?
...guages when I don't know how to do it properly yet and just want to get an idea down quickly:
// JavaScript
let stringValue = 'Hello, my name is {name}. You {action} my {relation}.'
.replace(/{name}/g ,'Indigo Montoya')
.replace(/{action}/g ,'killed')
.replace(/{relation}/g,'father'...
Get first day of week in SQL Server
...u should not be surprised that this ends up being a Monday. DATEADD has no idea that you want to add weeks but only until you get to a Sunday, it's just adding 7 days, then adding 7 more days, ... just like DATEDIFF only recognizes boundaries that have been crossed. For example, these both return 1,...
Find the most common element in a list
...erable)), -L.index(item)
return max(groups, key=_auxfun)[0]
same basic idea, just expressed more simply and compactly... but, alas, an extra O(N) auxiliary space (to embody the groups' iterables to lists) and O(N squared) time (to get the L.index of every item). While premature optimization is t...
What is the parameter “next” used for in Express?
...
Before understanding next, you need to have a little idea of Request-Response cycle in node though not much in detail.
It starts with you making an HTTP request for a particular resource and it ends when you send a response back to the user i.e. when you encounter something lik...
WPF Application that only has a tray icon
...me pointers how to write an application that starts minimized to tray. The idea is that it periodically fetches an RSS Feed and creates a Toaster-Popup when there are new feeds.
...
Do sealed classes really offer performance Benefits?
...@Smilediver It can improve performance, but only if you have a bad JIT (no idea how good the .NET JITs are nowadays though - used to be quite bad in that regard). Hotspot for example will inline virtual calls and deoptimize later if necessary - hence you pay the additional overhead only if you actua...
What is Castle Windsor, and why should I care?
...d way of using new, I know where everything is then. I also don't like the idea of using reflections and it is really a black box, code we do not own and therefore do not fully understand.
– Luke T O'Brien
Mar 23 '16 at 12:21
...
Proper REST response for empty table?
...u have no table. Not just empty table but NO USER TABLE. It confirms exact idea - no resource. Further options are to provide more details WHY your table is absent, there is couple of more detailed codes but 404 is pretty good to refer to situation where you really have no table.
200 (OK)
All case...