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Does Ruby have a string.startswith(“abc”) built in method?
...n building regexes out of string literals - remember to escape any special chars. there is a function for that fi the strings literals can be unpredictable
– Radu Simionescu
Nov 1 '17 at 8:40
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Copy existing project with a new name in Android Studio
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I've selected the base package folder and clicked Refactor -> Rename, I got errors with "package rename" option, then I did "folder rename" option with success.
– Ismail Yavuz
May 23 '19 a...
How to tell bash that the line continues on the next line
... another programmer, some lines exceeded 80 columns in length. What is the character or thing to be added to the line in order to indicate that the line continues on the next line?
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Code equivalent to the 'let' keyword in chained LINQ extension method calls
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Let doesn't have its own operation; it piggy-backs off of Select. You can see this if you use "reflector" to pull apart an existing dll.
it will be something like:
var result = names
.Select(animalName => new { nameLength = animalName.Length, animalName})
.Where...
For files in directory, only echo filename (no path)
...ered Jan 25 '12 at 22:21
Oliver CharlesworthOliver Charlesworth
246k2626 gold badges510510 silver badges632632 bronze badges
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GetNextDlgTabItem用法详解，回车替代Tab键切换控件焦点 - C/C++ - 清泛网 ...
... == VK_RETURN)
{
CWnd *wnd = GetFocus();
if (wnd != NULL)
{
char str[256];
CString ClassName = _T("Button");
GetClassName (wnd->m_hWnd, str, 256);
if (ClassName == str)
{
UINT i = wnd->GetDlgCtrlID();
SendMessage (WM_COMMAND, i, (LPARAM)wnd->m_hWnd);
CWn...
Invoke a callback at the end of a transition
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You want to listen for the "end" event of the transition.
// d3 v5
d3.select("#myid").transition().style("opacity","0").on("end", myCallback);
// old way
d3.select("#myid").transition().style("opacity","0").each("end", myCallback);
This demo uses the "end" event to chain many transitions in...
Selecting multiple classes with jQuery
I’ve had a good look and can’t seem to find out how to select all elements matching certain classes in one jQuery selector statement such as this:
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COALESCE Function in TSQL
...ks perfectly & gives a good visual explanation of how COALESCE works:
SELECT Name, Class, Color, ProductNumber,
COALESCE(Class, Color, ProductNumber) AS FirstNotNull
FROM Production.Product
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How can I retrieve Id of inserted entity using Entity framework? [closed]
... // Yes it's here
}
Entity framework by default follows each INSERT with SELECT SCOPE_IDENTITY() when auto-generated Ids are used.
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