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In C/C++ what's the simplest way to reverse the order of bits in a byte?
...up table.
//Index 1==0b0001 => 0b1000
//Index 7==0b0111 => 0b1110
//etc
static unsigned char lookup[16] = {
0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf, };
uint8_t reverse(uint8_t n) {
// Reverse the top and bottom nibble then swap them.
return (looku...
Best way to parse command-line parameters? [closed]
... // all options that are applicable to builder (like description, default, etc)
// are applicable here as well
val count:ScallopOption[Int] = opt[Int]("count", descr = "count the trees", required = true)
.map(1+) // also here work all standard Option methods -
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Create a shortcut on Desktop
...
With additional options such as hotkey, description etc.
At first, Project > Add Reference > COM > Windows Script Host Object Model.
using IWshRuntimeLibrary;
private void CreateShortcut()
{
object shDesktop = (object)"Desktop";
WshShell shell = new WshShell();...
How can I remove a key and its value from an associative array?
... loops depending on your array:
$arr[$key1][$key2][$key3]=$value1; // ....etc
foreach ($arr as $key1 => $values) {
foreach ($key1 as $key2 => $value) {
unset($arr[$key1][$key2]);
}
}
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Is the NOLOCK (Sql Server hint) bad practice?
...eg. banking software, space flight, intensive care monitoring application, etc. You get the idea.
12 Answers
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How to create duplicate allowed attributes
... attrbiute overrides TypeId, then accessing it through PropertyDescriptor.GetCustomAttributes() will only return a single instance of your attribute.
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What's the difference between struct and class in .NET?
...lly represents a single value, similar to primitive types (int, double, etc.).
It has an instance size under 16 bytes.
It is immutable. (cannot be changed)
It will not have to be boxed frequently.
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How to configure Visual Studio to use Beyond Compare
... after the project has been setup
(like via SourceTree or the command line etc...) OR edit the .git/config file
(in the solution folder) and remove any overrides for the above settings.
Thanks to minnow in the comments for bringing my attention to it again.
Note: I keep coming across this but I ...
How to make Visual Studio copy a DLL file to the output directory?
... I agree, it should be a part of the framework (to statically link dlls, etc.) -- Worth noting, storing the dll as a resource and then extracting it at runtime might cause issues in some corporate environments (especially if they have fairly proactive anti-virus software).
– ...
How do I make the return type of a method generic?
... old approach of separate methods (ConfigSettingString, ConfigSettingBool, etc.) has the advantage of method bodies that will be shorter, clearer, and better focused.
– phoog
Mar 21 '12 at 16:27
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