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Google Sheets API Setup · App Inventor 2 中文网
...he Enable button for the API Library.
4. Creating a Service Acccount
Now that we have enabled the Google Sheets API for this project, we want to
create a service account. Simply put, this service account will look a lot like
a google email account. After selecting the ‘Enable’ button for t...
Should each and every table have a primary key?
... thinking I wouldn't need one, I've ended up going back and adding one. I now create even my join tables with an auto-generated identity field that I use as the primary key.
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Passing enum or object through an intent (the best solution)
...ass).from(intent);
OPTION 3 (with Kotlin):
It's been a while, but since now we have Kotlin, I thought I would add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>&g...
How to list containers in Docker
...ject it’s interacting with. For example list and start of containers are now subcommands of docker container and history is a subcommand of docker image.
These changes let us clean up the Docker CLI syntax, improve help text and make Docker simpler to use. The old command syntax is still supported...
Set database from SINGLE USER mode to MULTI USER
...t the moment). It's the equivalent of "stop everything you're doing right now and do this."
– Bacon Bits
Jul 31 '16 at 1:29
...
How to vertically center a inside a div? [duplicate]
... position the child at top:50% with margin-top:-YYYpx, YYY being half the known height of the child.)
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map function for objects (instead of arrays)
...ll and an extra library just for one function. In any case, this answer is now outdated and you can simply call Object.entries({a: 1, b: 2, c: 3}) to get an array.
– user6269864
Oct 3 '17 at 7:49
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.gitignore file, where should I put it in my xcode project?
...ory and activate it:
git config --global core.excludesfile ~/.gitignore
Now you can put whatever files are generated by your development tools into your .gitignore file.
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PDO's query vs execute
... sid INT IDENTITY PRIMARY KEY,
id INT,
val VARCHAR(100)
);
And now a basic timed test for performance metrics.
$logs = [];
$test = function (String $type, Int $count = 3000) use ($pdo, &$logs) {
$start = microtime(true);
$i = 0;
while ($i < $count) {
$sql = "...
A monad is just a monoid in the category of endofunctors, what's the problem?
...nsformation, μ : T × T → T, where × means functor composition (μ is known as join in Haskell)
A natural transformation, η : I → T, where I is the identity endofunctor on X (η is known as return in Haskell)
...satisfying these laws:
μ ∘ Tμ = μ ∘ μT
μ ∘ Tη = μ ∘ ηT = 1 (the...