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How to create a function in a cshtml template?
...ic string GetSomeString(){
return string.Empty;
}
}
<h2>index</h2>
@GetSomeString()
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Dynamic SQL - EXEC(@SQL) versus EXEC SP_EXECUTESQL(@SQL)
...ta spanned over more than one database and are using a CONSTRAINT to limit index scans.
Unless you use OPTION RECOMPILE, SQL server will attempt to create a "one size fits all" execution plan for your query, and will run a full index scan each time it is run.
This is much less efficient than a se...
Dynamic variable names in Bash
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@DeaDEnD -a declares an indexed array, not an associative array. Unless the argument to grep_search is a number, it will be treated as a parameter with a numeric value (which defaults to 0 if the parameter isn't set).
– chepner...
How do I retrieve the number of columns in a Pandas data frame?
...the number of columns.
And for those who want the number of rows:
len(df.index)
For a tuple containing the number of both rows and columns:
df.shape
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Print second last column/field in awk
...g on whitespace
e execute the perl code
The @F autosplit array starts at index [0] while awk fields start with $1.
$#F is the number of elements in @F
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What do we mean by Byte array? [closed]
... computer programs.
The crucial thing about a byte array is that it gives indexed (fast), precise, raw access to each 8-bit value being stored in that part of memory, and you can operate on those bytes to control every single bit. The bad thing is the computer just treats every entry as an indepen...
Add a number to each selection in Sublime Text 2, incremented once per selection
...oviding three numbers separated by one space:
N M P
N: the start index.
M represents the step size which will be added to the index for
each selection.
P must be > 0 and will be used to pad the index with
leading zeroes.
...
In what cases could `git pull` be harmful?
...ory Modifications
There's no way to predict what the working directory or index will look like until git pull is done. There might be merge conflicts that you have to resolve before you can do anything else, it might introduce a 50GiB log file in your working directory because someone accidentally...
Calculate a Running Total in SQL Server
... Reads 58, Duration 139
From what I've seen if you have proper clustered index/primary key on your table (in our case it would be index by ord_id) update will proceed in a linear way all the time (never encountered divide by zero). That said, it's up to you to decide if you want to use it in produ...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
... StockCode{get;set;}
//该次请求的股票名称
public string Index { get; set; }
//该次请求Excel分配的TopicID
public int TopicId { get; set; }
//该次请求的返回值
public object Value{get;set;}
}
3.2 创建RTD
如何创建RTD函数是本文的重点...