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Nullable type issue with ?: Conditional Operator
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@starmandeluxe they all likely point here (at least that I how I got here)
– Scott Chamberlain
May 8 '17 at 15:44
add a ...
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...
In what order are Panels the most efficient in terms of render time and performance?
...ates relative to the Canvas area.
The Canvas has the best performance of all the panels for the arrange pass since each item is statically assigned a location. The measure pass also has excellent performance since there is no concept of stretching in this panel; each child simply uses its native ...
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
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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...
What is the difference between a database and a data warehouse?
...mized for read operations.
High performance for analytical queries.
Is usually a Database.
It's important to note as well that Data Warehouses could be sourced from zero to many databases.
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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...
How to get the Android device's primary e-mail address
...ntManager.getAccounts or AccountManager.getAccountsByType to get a list of all account names on the device. Fortunately, for certain account types (including com.google), the account names are email addresses. Example snippet below.
Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
Acc...