by: Jan-Erik Meyer-Lütgens |
last post by:
In the Python Language Reference, I found the following
statements about using objects as dictionary keys:
1. "__hash__() should return a 32-bit integer."
2. "The only required property is...
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by: Golawala, Moiz M (GE Infrastructure) |
last post by:
Hi All,
I am having problem returning values from a Stored Procedure that creates a dynamic table (table variable) inserts values during a procedure and then I select from that dynamic table to...
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by: ESPNSTI |
last post by:
Hi,
I'm trying to use a generics dictionary with a key class that implements and
needs IComparable<>.
However when I attempt to use the dictionary, it doesn't appear to use the
IComparable<> to...
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by: Christoph Zwerschke |
last post by:
Ok, the answer is easy: For historical reasons - built-in sets exist
only since Python 2.4.
Anyway, I was thinking about whether it would be possible and desirable
to change the old behavior in...
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by: Brian Richards |
last post by:
I'm experiencing some wierd behavior with a Dictionary<T,U> class using
foreach loops, such that the Key returned in the foreach is not contained in
the dictionary.
code:
Dictionary<A, B>...
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by: vatamane |
last post by:
This has been bothering me for a while. Just want to find out if it
just me or perhaps others have thought of this too: Why shouldn't the
keyset of a dictionary be represented as a set instead of a...
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by: buzzweetman |
last post by:
Many times I have a Dictionary<string, SomeTypeand need to get the
list of keys out of it as a List<string>, to pass to a another method
that expects a List<string>.
I often do the following:
...
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by: Jim Murphy |
last post by:
In creating a C# web service, I am having trouble returning a DataTable
object as the result of a web method. I have no problem returning native
types like string or int, but cannot return a .NET...
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by: Beorne |
last post by:
I have to retrieve the first kei I have inserted in a
Dictionary<int,intcalled dict.
The only method I found is:
Dictionary<int,int>.KeyCollection.Enumerator dke =
dict.Keys.GetEnumerator();...
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by: =?Utf-8?B?YW1pcg==?= |
last post by:
how can I access the first item of a dictionary where the datatype for the
Key is not known to me?
I tried the array index 0 and taht did not work because the key is not of
integer type.
...
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by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 3 Apr 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome former...
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by: ryjfgjl |
last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
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