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How can I pair socks from a pile efficiently?
...was doing a naive search — picking one sock and "iterating" the pile in order to find its pair. This requires iterating over n/2 * n/4 = n 2 /8 socks on average.
...
Generate MD5 hash string with T-SQL
...here a way to generate MD5 Hash string of type varchar(32) without using fn_varbintohexstr
9 Answers
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C++ Convert string (or char*) to wstring (or wchar_t*)
...t;locale>
#include <codecvt>
#include <string>
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
std::string narrow = converter.to_bytes(wide_utf16_source_string);
std::wstring wide = converter.from_bytes(narrow_utf8_source_string);
Longer online compila...
How does “cat
...rmat to provide a string into stdin. See https://en.wikipedia.org/wiki/Here_document#Unix_shells for more details.
From man bash:
Here Documents
This type of redirection instructs the shell to read input from
the current source until a line
containing only word (with no trailing
bl...
Programmatically Determine a Duration of a Locked Workstation?
...SessionSwitch += new Microsoft.Win32.SessionSwitchEventHandler(SystemEvents_SessionSwitch);
void SystemEvents_SessionSwitch(object sender, Microsoft.Win32.SessionSwitchEventArgs e)
{
if (e.Reason == SessionSwitchReason.SessionLock)
{
//I left my desk
}
else if (e.Reason == ...
Can I incorporate both SignalR and a RESTful API?
...: HubController<ToDoListHub>
{
private static List<string> _items = new List<string>();
public IEnumerable<string> Get()
{
return _items;
}
public void Post([FromBody]string item)
{
_items.Add(item);
// Call add on SignalR cli...
NSRange to Range
...nd 2, so depending on which Swift you're using:
Swift 3.0
func textField(_ textField: UITextField,
shouldChangeCharactersIn range: NSRange,
replacementString string: String) -> Bool {
let nsString = textField.text as NSString?
let newString = nsString?.replaci...
Copying text with color from Notepad++
...eleases you can find the NppExport plugin here: https://github.com/chcg/NPP_ExportPlugin/releases
I've tested "NppExport_0.2.8.16_x64.zip" with Notepad++ v7.5.4.
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...data several seconds faster. That is a
massive real-world difference. In order to make the tests fair, the
times for AsyncTasks/Volley included the JSON parsing as Retrofit does
it for you automatically.
RetroFit Wins in benchmark test!
In the end, we decided to go with Retrofit for ...
Python 3.x rounding behavior
...l.Decimal('3.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_UP)
>>> Decimal('4')
>>> decimal.Decimal('2.5').quantize(decimal.Decimal('1'),
rounding=decimal.ROUND_HALF_EVEN)
>>> Decimal('2')
>>> decimal.Decimal('3.5').quantize(decimal...