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Get unique values from a list in python [duplicate]
...nt(output)
As it has been pointed out, sets do not maintain the original order. If you need that, you should look for an ordered set implementation (see this question for more).
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Returning a C string from a function
...t's so fundamental to C & C++, but little more discussion should be in order.
In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour of string. There are other kinds of strings,...
How to preserve insertion order in HashMap? [duplicate]
...en I iterate over the map, the data is returned in (often the same) random order. But the data was inserted in a specific order, and I need to preserve the insertion order. How can I do this?
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使用 XML 和 Web 服务 · App Inventor 2 中文网
...r (hello, everybody). The pairs in a decoding are listed in alphabetical order by tag, regardless of their order in the original input sequence. Each pair consists of the tag, together with the decoding of the data delimited by that tag. As this example shows, if the items delimited by the tag ...
Efficient way to apply multiple filters to pandas DataFrame or Series
...f_2 = df["a"] >= 0etc. No need for that function... (nice use of higher order function though...)
– A. Rabus
Aug 29 '19 at 8:29
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Standard way to embed version into python package?
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@Iva Now, what order should the tool do this in? It can't (in the setuptools/pip/virtualenv system of today) even know what the deps are until it evaluates your setup.py. Also, if it tried to do full depth-first and do all deps before it do...
What is the difference between \r and \n?
...al CRT terminals, CR was one of the ways to control the cursor position in order to update text already on the screen.
But most of the time, you actually just wanted to go to the next line. Rather than requiring the pair of control characters, some systems allowed just one or the other. For examp...
Switching the order of block elements with CSS [duplicate]
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Here is a "simple as possible" example, for changing the order of div-elements (when resizing the browser window):
<!DOCTYPE html>
<html>
<head>
<title>foobar</title>
<style>
@media screen and (max-width:300px){
#parent{
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Best practice for partial updates in a RESTful service
...ld create the obvious thing that is logically under customer 123. Maybe an order? PUT to /customer/123/status seems to make better sense, assuming the POST to /customers implicitly created a status (and assuming that's legit REST).
– John Saunders
Mar 14 '10 at...
How to change the name of a Django app?
...y -- no problems with the existing historical migrations. Do the steps in order, and propagate the changes everywhere before moving to the following step.
– user85461
Sep 30 '19 at 18:11
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