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Python : List of dict, if exists increment a dict value, if not append a new dict
...en easier:
from collections import defaultdict # available in Python 2.5 and newer
urls_d = defaultdict(int)
for url in list_of_urls:
urls_d[url] += 1
If you access the defaultdict using a key, and the key is not already in the defaultdict, the key is automatically added with a default valu...
IIS AppPoolIdentity and file system write access permissions
Here's an issue with IIS 7.5 and ASP.NET that I've been researching and getting nowhere with. Any help would be greatly appreciated.
...
How can I get the executing assembly version?
...do you need to specify the actual version? I specified the AssemblyVersion and AssemblyFileVersion in my AssemblyInfo.cs and all I get from the abovemethod call is: 0.0.0.0 despite having specified 1.0.0
– AgentKnopf
Jun 7 '13 at 9:35
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
What is the most efficient way to organise the following pandas Dataframe:
4 Answers
4...
C# Thread safe fast(est) counter
...ment will have better performance than lock(). Just take a look at the IL and Assembly where you will see that Increment turns into a "bus lock" statement and its variable is directly incremented (x86) or "added" to (x64).
This "bus lock" statement locks the bus to prevent another CPU from acces...
Add missing dates to pandas dataframe
...iven date or NO events on a date. I take these events, get a count by date and plot them. However, when I plot them, my two series don't always match.
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XSD: What is the difference between xs:integer and xs:int?
I have started to create XSD and found in couple of examples for xs:integer and xs:int .
3 Answers
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What is the difference between packaged_task and async
...nces if you use a rather long function, such as
//! sleeps for one second and returns 1
auto sleep = [](){
std::this_thread::sleep_for(std::chrono::seconds(1));
return 1;
};
Packaged task
A packaged_task won't start on it's own, you have to invoke it:
std::packaged_task<int()> tas...
Add data annotations to a class generated by entity framework
... all situations, In the first case you can describe field validation rules and in the second case try to describe purposes
– dimonser
Mar 31 '15 at 14:14
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Is it necessary to explicitly remove event handlers in C#
...he object which publishes the events which keeps the targets of the event handlers live. So if I have:
publisher.SomeEvent += target.DoSomething;
then publisher has a reference to target but not the other way round.
In your case, the publisher is going to be eligible for garbage collection (assu...