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MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
...AS Tg
using @source as Sc
on tg.namet=sc.name
when matched then update
set tg.age=sc.age
when not matched then
insert (name, age) VALUES
(SC.name, sc.age);
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Get all git commits since last tag
...u could do
for /f "delims=" %a in ('git describe --tags --abbrev^=0') do @set latesttag=%a
git log %latesttag%..HEAD --oneline
and on linux / git bash / windows bash
git log $(git describe --tags --abbrev=0)..HEAD --oneline
Also, if you have a case where you know a tag in history and want to p...
Python add item to the tuple
...
Since Python 3.5 (PEP 448) you can do unpacking within a tuple, list set, and dict:
a = ('2',)
b = 'z'
new = (*a, b)
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Read-only list or unmodifiable list in .NET 4.0
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Note that IEnumerable is not a complete set of "read only" methods, for example it does not contain methods like Contains.
– jrh
Aug 17 '17 at 12:31
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Is it .yaml or .yml?
...ad, has three informative letters ("M", "L" and "Y"). Indeed, the existing set of acronyms beginning with Y seems extremely small. By implication, this is why a four letter YAML file extension feels greatly overspecified.
Perhaps this is why we see in practice that the "linguistic" pressure (in nat...
Notification when a file changes?
...CreateFileWatcher(string path)
{
// Create a new FileSystemWatcher and set its properties.
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Path = path;
/* Watch for changes in LastAccess and LastWrite times, and
the renaming of files or directories. */
watche...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
...s of the CLR will auto-wrap this in System.Exception anyways but this is a setting that can be disabled
– JaredPar
Nov 30 '13 at 0:07
1
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Where does VBA Debug.Print log to?
...ndy to quickly output the property of an object...
? myWidget.name
...to set the property of an object...
myWidget.name = "thingy"
...or to even execute a function or line of code, while in debugging mode:
Sheet1.MyFunction()
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Content Security Policy “data” not working for base64 Images in Chrome 28
In this simple example, I'm trying to set a CSP header with the meta http-equiv header. I included a base64 image and I'm trying to make Chrome load the image.
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Can I return the 'id' field after a LINQ insert?
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Maybe you'll need to set your field to "database generated" and "update on insert" for this to work.
– Sam
Sep 22 '08 at 9:57
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