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What is the purpose of Flask's context stacks?
... up models
db.create_all()
In this case, the Flask-SQLAlchemy extension knows about the app application, but during create_all() it will throw an error complaining about there not being an application context. This error is justified; you never told Flask what application it should be dealing with...
How to discard all changes made to a branch?
...tried git reset --hard HEAD^ and it still left a bunch of untracked files. Now to google how to remove them in one simple command.
– John Deighan
Apr 3 '18 at 14:02
add a comm...
Detect if Android device has Internet connection
...eck if there is an active Internet connection is to try and connect
to a known server via http.
public static boolean hasActiveInternetConnection(Context context) {
if (isNetworkAvailable(context)) {
try {
HttpURLConnection urlc = (HttpURLConnection) (new URL("http://www.go...
What does [].forEach.call() do in JavaScript?
...
So how do we deal with the disparity, as Motto is clearly a talented and knowledgeable guy, and I would like to imagine that I know what I'm doing/where I'm going (now and then... ...other times it's head-first learning)?
The answer is actually quite simple, and something Uncle Bob and Sir Crockf...
How can I see incoming commits in git? [duplicate]
...hand for showing the commits between "the common ancestor of wherever I am now and origin" through "origin".
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How to change Git log date formats
... (either committer’s or author’s).
There is no built-in way that I know of to create a custom format, but you can do some shell magic.
timestamp=`git log -n1 --format="%at"`
my_date=`perl -e "print scalar localtime ($timestamp)"`
git log -n1 --pretty=format:"Blah-blah $my_date"
The first s...
Launch an app on OS X with command line
...
As was mentioned in the question here, the open command in 10.6 now has an args flag, so you can call:
open -n ./AppName.app --args -AppCommandLineArg
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Force update of an Android app when a new version is available
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@SepGH things have changed since, and Android now offers an API which you can use to force the user to upgrade and block him from continuing using the app if he doesn't upgrade to a minimum version: developer.android.com/guide/app-bundle/in-app-updates
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...ed a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
5 A...
How to have TFS 2010 detect changes done to files outside of Visual Studio?
...work connection available that allows you to check out the files.
If you know what files you've modified, you can just check them out from within Visual Studio, then you'll be able to check them back in.
If you don't know what files you've edited, you can detect the changes by running the tfpt onl...