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Entity Framework and Connection Pooling
...tion Pooling (ADO.NET))
Never ever use global context. ObjectContext internally implements several patterns including Identity Map and Unit of Work. Impact of using global context is different per application type.
For web applications use single context per request. For web services use single con...
Using emit vs calling a signal as if it's a regular function in Qt
...e this:
#ifndef QT_NO_EMIT
# define emit
#endif
(The define guard is to allow you to use Qt with other frameworks that have colliding names via the no_keywords QMake config option.)
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impro...
Nullable type issue with ?: Conditional Operator
...
@starmandeluxe they all likely point here (at least that I how I got here)
– Scott Chamberlain
May 8 '17 at 15:44
add a ...
How do I find a list of Homebrew's installable packages?
Recently I installed Brew . How can I retrieve a list of available brew packages to install?
3 Answers
...
How to format a number as percentage in R?
...s pointed out by @DzimitryM, percent() has been "retired" in favor of label_percent(), which is a synonym for the old percent_format() function.
label_percent() returns a function, so to use it, you need an extra pair of parentheses.
library(scales)
x <- c(-1, 0, 0.1, 0.555555, 1, 100)
label_pe...
contenteditable change events
... (mouseup, for example). You may want to poll the element's contents as a fallback.
UPDATE 29 October 2014
The HTML5 input event is the answer in the long term. At the time of writing, it is supported for contenteditable elements in current Mozilla (from Firefox 14) and WebKit/Blink browsers, but ...
Chrome Dev Tools - “Size” vs “Content”
...of things can make them different, including:
Being served from cache (small or 0 "size")
Response headers, including cookies (larger "size" than "content")
Redirects or authentication requests
gzip compression (smaller "size" than "content", usually)
From the docs:
Size is the combined size...
git diff renamed file
...t/a.txt
similarity index 100%
copy from a.txt
copy to test/a.txt
Incidentally, if you restrict your diff to just one path (as you do in git diff HEAD^^ HEAD a.txt you aren't ever going to see the renames or copies because you've excluded the everything apart from a single path and renames or copie...
Undoing a git bisect mistake
I'm doing a non-automated git bisect via command line. All is going well until I accidentally hit return on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I...
Can I save the window layout in Visual Studio 2010/2012/2013?
... and Export Settings Wizard" again to import that settings file, restoring all of your tool windows to their previous layout. (Note that the wizard also allows you to limit what you import from a particular settings file the same way you can limit what you export.)
I use this on my laptop, where sw...