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Delegates: Predicate vs. Action vs. Func
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There's also System.Converter<TInput, TOutput>, though it's rarely used.
– G-Wiz
Jan 4 '10 at 23:03
4
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Execute Insert command and return inserted Id in Sql
...AddWithValue("@occ", Mem_Occ);
con.Open();
int modified = Convert.ToInt32(cmd.ExecuteScalar());
if (con.State == System.Data.ConnectionState.Open) con.Close();
return modified;
}
}
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java : convert float to String and String to float
How could I convert from float to string or string to float?
9 Answers
9
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How can I check if an ip is in a network in Python?
...ong integer"
return (2L<<n-1) - 1
def dottedQuadToNum(ip):
"convert decimal dotted quad string to long integer"
return struct.unpack('L',socket.inet_aton(ip))[0]
def networkMask(ip,bits):
"Convert a network address to a long integer"
return dottedQuadToNum(ip) & make...
Import a file from a subdirectory?
...nion the language shouldn't impose its way of loading files across the filesystem. In PHP we solved the problem by letting the userland code register multiple autoloading functions that are called when a namespace/class is missing. Then the community has produced the PSR-4 standard and Composer impl...
What is the JavaScript >>> operator and how do you use it?
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It doesn't just convert non-Numbers to Number, it converts them to Numbers that can be expressed as 32-bit unsigned ints.
Although JavaScript's Numbers are double-precision floats(*), the bitwise operators (<<, >>, &, | and ...
How do I get the path of a process in Unix / Linux
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@Noitidart - replace "/proc/self/exe" with sprintf(foo,"/proc/%d/exe",pid)
– Mark Lakata
Nov 3 '16 at 19:00
2
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Convert hex color value ( #ffffff ) to integer value
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Answer is really simple guys, in android if you want to convert hex color in to int, just use android Color class, example shown as below
this is for light gray color
Color.parseColor("#a8a8a8");
Thats it and you will get your result.
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Converting Epoch time into the datetime
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To convert your time value (float or int) to a formatted string, use:
time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(1347517370))
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An explicit value for the identity column in table can only be specified when a column list is used
...entity column, why do you even need an identity column? Just use a regular int instead.
Details on Solution 1
Instead of
SET IDENTITY_INSERT archive_table ON;
INSERT INTO archive_table
SELECT *
FROM source_table;
SET IDENTITY_INSERT archive_table OFF;
you need to write
SET IDENTITY_INSERT a...