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Does Java casting introduce overhead? Why?
... nice and fast :) For interfaces I would assume no worse than a small hashtable or btree ?
– peterk
Jan 12 '12 at 19:34
...
SQL - Query to get server's IP address
...
Declare @pos int
set nocount on
set @ip = NULL
Create table #temp (ipLine varchar(200))
Insert #temp exec master..xp_cmdshell 'ipconfig'
select @ipLine = ipLine
from #temp
where upper (ipLine) like '%IP ADDRESS%'
if (isnull (@ipL...
Reading/writing an INI file
...g ways:
// Creates or loads an INI file in the same directory as your executable
// named EXE.ini (where EXE is the name of your executable)
var MyIni = new IniFile();
// Or specify a specific name in the current dir
var MyIni = new IniFile("Settings.ini");
// Or specify a specific name in a speci...
Using awk to remove the Byte-order mark
...
-- ADDENDUM --
Unicode Byte Order Mark (BOM) FAQ includes the following table listing the exact BOM bytes for each encoding:
Bytes | Encoding Form
--------------------------------------
00 00 FE FF | UTF-32, big-endian
FF FE 00 00 | UTF-32, little-endian
FE FF | UTF-16, b...
C state-machine design [closed]
...I've no doubt there will be higher-level abstractions which may be more suitable nowadays but I suspect they'll all boil down to this same sort of structure.
And, as ldog states in a comment, you can avoid the globals altogether by passing a structure pointer to all functions (and using that in ...
Object-orientation in C
...ual functions), you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int how_high);
};
struct base
{
struct base_vtable *vtable;
/* bas...
Valid values for android:fontFamily and what they map to?
...erif"
android:textStyle="bold" />
to the desired values from this table:
Font | android:fontFamily | android:textStyle
-------------------------|-----------------------------|-------------------
Roboto Thin | sans-serif-thin |
Roboto Li...
How do I import a Swift file from another Swift file?
...o test then.
On newer versions of Swift it's only necessary to add the @testable keyword.
PrimeNumberModelTests.swift
import XCTest
@testable import MyProject
class PrimeNumberModelTests: XCTestCase {
let testObject = PrimeNumberModel()
}
And your internal methods can keep Internal
PrimeNu...
What is the difference between a symbolic link and a hard link?
...emoves one link to the underlying inode. The inode is only deleted (or deletable/over-writable) when all links to the inode have been deleted.
A symbolic link is a link to another name in the file system.
Once a hard link has been made the link is to the inode. Deleting, renaming, or moving the or...
Hash Code and Checksum - what's the difference?
...me value. When used as a means of indexing in data structures (e.g. a hash table), a low collision probability is desirable.
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