Strong | Dependency injection library for Kotlin | Dependency Injection library
kandi X-RAY | Strong Summary
kandi X-RAY | Strong Summary
Dependency injection library for Kotlin.
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QUESTION
I have been trying to learn about functional programming, but I still struggle with thinking like a functional programmer. One such hangup is how one would implement index-heavy operations which rely strongly on loops/order-of-execution.
For example, consider the following Java code:
...ANSWER
Answered 2022-Mar-07 at 21:17This is not an index-heavy operation, in fact you can do this with a one-liner with scanl1 :: (a -> a -> a) -> [a] -> [a]
:
QUESTION
Here's an example of what I mean:
...ANSWER
Answered 2021-Dec-16 at 10:38foo = 5
creates a local variable inside your function. def foo
creates a global variable. That's why they can both have the same name.
If you refer to foo
inside your foo()
function, you're referring to the local variable. If you refer to foo
outside that function, you're referring to the global variable.
Since it evidently causes confusion for people trying to follow the code, you probably shouldn't do this.
QUESTION
I have a project which was running well yesterday, but today I find this problem:
Could not resolve all files for configuration ':app:debugRuntimeClasspath'. Could not resolve com.google.android.gms:play-services-location:16.+. Required by: project :app > project :location > Failed to list versions for com.google.android.gms:play-services-location. > Unable to load Maven meta-data from https://google.bintray.com/exoplayer/com/google/android/gms/play-services-location/maven-metadata.xml. > Could not get resource 'https://google.bintray.com/exoplayer/com/google/android/gms/play-services-location/maven-metadata.xml'. > Could not GET 'https://google.bintray.com/exoplayer/com/google/android/gms/play-services-location/maven-metadata.xml'. Received status code 502 from server: Bad Gateway
acutely I'm using classpath 'com.android.tools.build:gradle:4.1.0'
with distributionUrl=https://services.gradle.org/distributions/gradle-6.5-bin.zip
I have followed this question
and I upgraded 'com.android.tools.build:gradle:4.1.0'
to classpath 'com.android.tools.build:gradle:4.2.0'
then I changed distributionUrl=https://services.gradle.org/distributions/gradle-6.5-bin.zip
to distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip
but I still got the error.
my android/build.gradle:
...ANSWER
Answered 2021-Dec-01 at 09:09It looks like a temporary issue, the server with these libraries is down. I have the same problem now with Room:
QUESTION
I have been using github actions for quite sometime but today my deployments started failing. Below is the error from github action logs
...ANSWER
Answered 2022-Mar-16 at 07:01First, this error message is indeed expected on Jan. 11th, 2022.
See "Improving Git protocol security on GitHub".
January 11, 2022 Final brownout.
This is the full brownout period where we’ll temporarily stop accepting the deprecated key and signature types, ciphers, and MACs, and the unencrypted Git protocol.
This will help clients discover any lingering use of older keys or old URLs.
Second, check your package.json
dependencies for any git://
URL, as in this example, fixed in this PR.
As noted by Jörg W Mittag:
For GitHub Actions:There was a 4-month warning.
The entire Internet has been moving away from unauthenticated, unencrypted protocols for a decade, it's not like this is a huge surprise.Personally, I consider it less an "issue" and more "detecting unmaintained dependencies".
Plus, this is still only the brownout period, so the protocol will only be disabled for a short period of time, allowing developers to discover the problem.
The permanent shutdown is not until March 15th.
As in actions/checkout issue 14, you can add as a first step:
QUESTION
In earlier versions, we had Startup.cs class and we get configuration object as follows in the Startup file.
...ANSWER
Answered 2021-Oct-26 at 12:26WebApplicationBuilder
returned by WebApplication.CreateBuilder(args)
exposes Configuration
and Environment
properties:
QUESTION
Why does this .c
file #include
itself?
vsimple.c
...ANSWER
Answered 2022-Feb-18 at 07:48The file includes itself so the same source code can be used to generate 4 different sets of functions for specific values of the macro USIZE
.
The #include
directives are actually enclosed in an #ifndef
, which limits the recursion to a single level:
QUESTION
I am building a Gatsby site. I upgraded Node.js to v17.0.1, and when I run a build, there is an error:
...ANSWER
Answered 2022-Jan-04 at 23:33Gatsby must be using an algorithm or key size which is no longer allowed by default with OpenSSL 3.0.
UPDATE ⚠️This is most likely a webpack issue - https://github.com/webpack/webpack/issues/14532
They have since released a fix in version 5.61.0 - https://github.com/webpack/webpack/releases/tag/v5.61.0 - so upgrading webpack should address the issue as well
A member of the webpack team has stated they do not plan to backport the fix to webpack 4, so if you are on webpack 4 you may need to look to upgrading to webpack 5 first.
From Node.js 17's announcement post:
If you hit an
ERR_OSSL_EVP_UNSUPPORTED
error in your application with Node.js 17, it’s likely that your application or a module you’re using is attempting to use an algorithm or key size which is no longer allowed by default with OpenSSL 3.0. A new command-line option,--openssl-legacy-provider
, has been added to revert to the legacy provider as a temporary workaround for these tightened restrictions.
Running this on the terminal might look like:
QUESTION
After updating Android Studio to Arctic Fox and Android Gradle plugin to 7.0.0 I'm facing this warning, I mean the app can be built successfully nonetheless of this warning but what I am missing here? What's the problem here?
According to the official View Binding reference, I'm enabling it the right way. here is my build.gradle if anyone is interested in checking.
There are some related questions but I don't think they are relevant in this situation.
...ANSWER
Answered 2022-Jan-06 at 11:08Remove equal sign. On the screenshot you use Kotlin configuration, but Groovy is needed here. See the difference:
QUESTION
With regard to the Log4j JNDI remote code execution vulnerability that has been identified CVE-2021-44228 - (also see references) - I wondered if Log4j-v1.2 is also impacted, but the closest I got from source code review is the JMS-Appender.
The question is, while the posts on the Internet indicate that Log4j 1.2 is also vulnerable, I am not able to find the relevant source code for it.
Am I missing something that others have identified?
Log4j 1.2 appears to have a vulnerability in the socket-server class, but my understanding is that it needs to be enabled in the first place for it to be applicable and hence is not a passive threat unlike the JNDI-lookup vulnerability which the one identified appears to be.
Is my understanding - that Log4j v1.2 - is not vulnerable to the jndi-remote-code execution bug correct?
ReferencesThis blog post from Cloudflare also indicates the same point as from AKX....that it was introduced from Log4j 2!
Update #1 - A fork of the (now-retired) apache-log4j-1.2.x with patch fixes for few vulnerabilities identified in the older library is now available (from the original log4j author). The site is https://reload4j.qos.ch/. As of 21-Jan-2022 version 1.2.18.2 has been released. Vulnerabilities addressed to date include those pertaining to JMSAppender, SocketServer and Chainsaw vulnerabilities. Note that I am simply relaying this information. Have not verified the fixes from my end. Please refer the link for additional details.
...ANSWER
Answered 2022-Jan-01 at 18:43The JNDI feature was added into Log4j 2.0-beta9.
Log4j 1.x thus does not have the vulnerable code.
QUESTION
I know Python //
rounds towards negative infinity and in C++ /
is truncating, rounding towards 0.
And here's what I know so far:
...ANSWER
Answered 2022-Jan-18 at 21:46Although I can't provide a formal definition of why/how the rounding modes were chosen as they were, the citation about compatibility with the %
operator, which you have included, does make sense when you consider that %
is not quite the same thing in C++ and Python.
In C++, it is the remainder operator, whereas, in Python, it is the modulus operator – and, when the two operands have different signs, these aren't necessarily the same thing. There are some fine explanations of the difference between these operators in the answers to: What's the difference between “mod” and “remainder”?
Now, considering this difference, the rounding (truncation) modes for integer division have to be as they are in the two languages, to ensure that the relationship you quoted, (m/n)*n + m%n == m
, remains valid.
Here are two short programs that demonstrate this in action (please forgive my somewhat naïve Python code – I'm a beginner in that language):
C++:
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