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Better techniques for trimming leading zeros in SQL Server?
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Encapsulating this in a function resulted in slowing down my queries. I'm not quite sure why but I think it has to do with type conversion. Using the SUBSTRING inline was much faster.
– Ronnie Overby
Jul 26 '13 at 16:22
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Abstract Class vs Interface in C++ [duplicate]
...al void Method4() = 0; // make MyAbstractClass not instantiable
};
In Windows programming, interfaces are fundamental in COM. In fact, a COM component exports only interfaces (i.e. pointers to v-tables, i.e. pointers to set of function pointers). This helps defining an ABI (Application Binary Inte...
How to write a Python module/package?
... Packages are a way of structuring Python’s module namespace by using “dotted module names”. For example, the module name A.B designates a submodule named B in a package named A. Just like the use of modules saves the authors of different modules from having to worry about each other’s globa...
When should one use HTML entities?
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You don't generally need to use HTML character entities if your editor supports Unicode. Entities can be useful when:
Your keyboard does not support the character you need to type. For example, many keyboards do not have em-das...
Why does Boolean.ToString output “True” and not “true”
...alled first to convert it to
lowercase.
Here comes the fun fact #1: it doesn't return TrueString or FalseString at all. It uses hardcoded literals "True" and "False". Wouldn't do you any good if it used the fields, because they're marked as readonly, so there's no changing them.
The alternative...
Oracle SQL: Update a table with data from another table
... code example: Is the outer WHERE-clause necessary for correct results? Or do you use it only to speed up the query?
– Mathias Bader
Aug 5 '13 at 7:53
43
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How to convert byte array to string [duplicate]
I created a byte array with two strings. How do I convert a byte array to string?
4 Answers
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Twitter Bootstrap - add top space between rows
...top17 { margin-top:17px; }
.top30 { margin-top:30px; }
whenever i want i do <div class="row top7"></div>
for better responsive you can add margin-top:7% instead of 5px for example :D
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How to convert AAR to JAR
...how to extract it on mac, in case others too: just change .aar to .zip and double click!
– Bastien Beurier
Jan 29 '15 at 23:16
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What is the difference between “int” and “uint” / “long” and “ulong”?
...mbers twice as large as their signed counterparts. The signed counterparts do not have "u" prefixed.
The limits for int (32 bit) are:
int: –2147483648 to 2147483647
uint: 0 to 4294967295
And for long (64 bit):
long: -9223372036854775808 to 9223372036854775807
ulong: 0 to 1844674407370955161...