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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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Yes, the order of elements in a python list is persistent.
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What is a memory fence?
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For performance gains modern CPUs often execute instructions out of order to make maximum use of the available silicon (including memory read/writes). Because the hardware enforces instructions integrity you never notice this in a single thread of execution. However for multiple threads or en...
How to get the input from the Tkinter Text Widget?
...ly issue with this is that it actually adds a newline to our input. So, in order to fix it we should change END to end-1c(Thanks Bryan Oakley) The -1c deletes 1 character, while -2c would mean delete two characters, and so on.
def retrieve_input():
input = self.myText_Box.get("1.0",'end-1c')
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Are duplicate keys allowed in the definition of binary search trees?
...ng to figure out why my red/black trees would occasionally traverse out of order, the problem was what I described above. Hopefully somebody reads this and saves themselves hours of debugging in the future!
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What's the difference between a 302 and a 307 redirect?
...(RFC 2616):
Note: RFC 1945 and RFC 2068 specify that the client is not allowed to
change the method on the redirected
request. However, most existing user
agent implementations treat 302 as if
it were a 303 response, performing a
GET on the Location field-value
regardless of the ori...
Best way to include CSS? Why use @import?
...ll need understand how to look up the dependency graph of the CSS files in order to push back all the files at once. It's not so simple. Here's a guide on how to set up an HTTP/2 server for that: smashingmagazine.com/2017/04/guide-http2-server-push.
– trusktr
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Dealing with nginx 400 “The plain HTTP request was sent to HTTPS port” error
...d passenger/nginx. I'm trying to get it to respond to both http and https calls. The problem is, when both are defined in the server block https calls are responded to normally but http yields a 400 "The plain HTTP request was sent to HTTPS port" error. This is for a static page so I'm guessing Sina...
What is an undefined reference/unresolved external symbol error and how do I fix it?
...rary dependency
undefined reference to `WinMain@16'
Interdependent library order
Multiple source files of the same name
Mistyping or not including the .lib extension when using the #pragma (Microsoft Visual Studio)
Problems with template friends
Inconsistent UNICODE definitions
Missing "extern" in c...
How to find third or nth maximum salary from salary table?
...(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
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How do I sort an observable collection?
...T>, IEquatable<T>
{
List<T> sorted = collection.OrderBy(x => x).ToList();
int ptr = 0;
while (ptr < sorted.Count - 1)
{
if (!collection[ptr].Equals(sorted[ptr]))
{
int idx = search(collection, ptr+1, so...