大约有 13,914 项符合查询结果(耗时:0.0200秒) [XML]
'Microsoft.SqlServer.Types' version 10 or higher could not be found on Azure
...st v6.1.3) is hardcoded in its SqlTypesAssemblyLoader (the source of this exception) to only look for versions 10 and 11 of the assembly.
To work around this I discovered you can tell Entity Framework which assembly you want to use like this:
SqlProviderServices.SqlServerTypesAssemblyName = typeof...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
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How can I match a string with a regex in Bash?
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To match regexes you need to use the =~ operator.
Try this:
[[ sed-4.2.2.tar.bz2 =~ tar.bz2$ ]] && echo matched
Alternatively, you can use wildcards (instead of regexes) with the == operator:
[[ sed-4.2.2.tar.bz2 == *tar.bz2 ...
A weighted version of random.choice
...red Oct 4 '14 at 18:56
Ronan PaixãoRonan Paixão
5,72911 gold badge2323 silver badges2121 bronze badges
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How to loop through file names returned by find?
...correct answer, you probably want my personal preference, find . -name '*.txt' -exec process {} \; (see the bottom of this post). If you have time, read through the rest to see several different ways and the problems with most of them.
The full answer:
The best way depends on what you want to do...
Getting the name of a child class in the parent class (static context)
...ng an ORM library with reuse and simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below:
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Python JSON serialize a Decimal object
...object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...rst but once you get acquainted with the way the SQL is composed from the expressions it will make a lot more sense, under the covers this will generate the type of join you are looking for.
EDIT Adding example for second join based on comment.
var query =
from t1 in myTABLE1List // List<TA...
How to get a JavaScript object's class?
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There's no exact counterpart to Java's getClass() in JavaScript. Mostly that's due to JavaScript being a prototype-based language, as opposed to Java being a class-based one.
Depending on what you need getClass() for, there are several ...
How can I open the interactive matplotlib window in IPython notebook?
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In [2]: %matplotlib inline
In [3]: plot(...)
In [4]: %matplotlib qt # wx, gtk, osx, tk, empty uses default
In [5]: plot(...)
and that will pop up a regular plot window (a restart on the notebook may be necessary).
I hope this helps.
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