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What's the difference between an object initializer and a constructor?
...struction of objects when you're using an object.
Constructors run, given 0 or more parameters, and are used to create and initialize an object before the calling method gets the handle to the created object. For example:
MyObject myObjectInstance = new MyObject(param1, param2);
In this case, t...
Escape Character in SQL Server
...by doubling up the quotes).
e.g. instead of doing
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = ''AAA'''
EXECUTE(@SQL)
try this:
DECLARE @SQL NVARCHAR(1000)
SET @SQL = 'SELECT * FROM MyTable WHERE Field1 = @Field1'
EXECUTE sp_executesql @SQL, N'@Field1 VARCHAR(10)...
Printing a variable memory address in swift
...UnsafePointer(to: &str) {
print(" str value \(str) has address: \($0)")
}
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Computed / calculated / virtual / derived columns in PostgreSQL
...
140
Up to Postgres 11 generated columns are not supported - as defined in the SQL standard and imple...
Flushing footer to bottom of the page, twitter bootstrap
...t;footer class="footer"></footer>
CSS:
html, body {
height: 100%;
}
#wrap {
min-height: 100%;
}
#main {
overflow:auto;
padding-bottom:150px; /* this needs to be bigger than footer height*/
}
.footer {
position: relative;
margin-top: -150px; /* negative value of footer heig...
How do I keep Python print from adding newlines or spaces? [duplicate]
...
201
import sys
sys.stdout.write('h')
sys.stdout.flush()
sys.stdout.write('m')
sys.stdout.flush()
...
What is the meaning of the planned “private protected” C# access modifier?
...
According to "Professional C# 2008" by De Bill Evjen and Jay Glynn, page 1699:
private protected - "only derived types within the current assembly"
C++/CLI has a similar feature - Define and Consume Classes and Structs (C++/CLI) > Member visibilit...
Excel: last character/string match in a string
...
JvdVJvdV
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How to document Ruby code?
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200
You should target your documentation for the RDoc processor, which can find your documentation ...
What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
...er, but %i defaults to decimal but also allows hexadecimal (if preceded by 0x) and octal (if preceded by 0).
So 033 would be 27 with %i but 33 with %d.
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