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Unix's 'ls' sort by name
...ort. For just a list of file names:
ls -1 | sort
To sort them in reverse order:
ls -1 | sort -r
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Prefer composition over inheritance?
...ifference, it's easier to explain.
Procedural Code
An example of this is PHP without the use of classes (particularly before PHP5). All logic is encoded in a set of functions. You may include other files containing helper functions and so on and conduct your business logic by passing data around i...
Reverse colormap in matplotlib
I would like to know how to simply reverse the color order of a given colormap in order to use it with plot_surface.
7 Answ...
Are C# events synchronous?
...y.
The event handlers are executed sequentially, one after another, in the order they are subscribed to the event.
I too was curious about the internal mechanism of event and its related operations. So I wrote a simple program and used ildasm to poke around its implementation.
The short answer i...
Limit File Search Scope in Sublime Text 2
...ield - eg:
-*/node_modules/*
http://www.sublimetext.com/forum/viewtopic.php?f=2&t=3847&start=10
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Fastest way to get the first object from a queryset in django?
...
also, first() and last() enforce an ORDER BY clause on a query. It will make the results deterministic but will most probably slow the query down.
– Phil Krylov
Jun 27 '17 at 19:24
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项目二、宠物产业
花3-5万元开家庞物用品店，投入少、利润高，不需要过多专业技术，最为切...
SVN best-practices - working in a team
...isky changes (i.e. big refactors)
Create branches for released versions in order to freeze the code.
Make sure that people know to update before starting work on a piece of code and update once again before committing it.
SVN allows multiple check outs of the same file by different users. Make sure...
What are the applications of binary trees?
...tures. That's because, unless the data is coming in in a relatively random order, the tree can easily degenerate into its worst-case form, which is a linked list, since simple binary trees are not balanced.
A good case in point: I once had to fix some software which loaded its data into a binary tr...
Handle file download from ajax post
...easily download a file from an AJAX call by setting the correct headers in PHP's response:
Setting headers server-side
header("HTTP/1.1 200 OK");
header("Pragma: public");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
// The optional second 'replace' parameter indicates whe...