safeguard | lightweight framework designed to help identify issues | iOS library
kandi X-RAY | safeguard Summary
kandi X-RAY | safeguard Summary
Safeguard is designed to be helpful for those who are interested in logging (and/or utilizing custom handling) when a guard statement has protected an app from a crash. Per Swift conventions, guard allows us as developers to ensure certain conditions exist prior to executing a block of code. It does not, however, let you know this issue has arisen unless you have been diligent about explicitly handling the else portion of each guard statement. By utilizing Safeguard's safeguard() function in mission-critical areas of your code, it helps you to easily capture and log those silent failures so you can learn about and catch these problems before your users FREAK OUT. .
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Trending Discussions on safeguard
QUESTION
I am running into a small glitch with my plot.
I have the following tibble
...ANSWER
Answered 2021-May-20 at 09:57By default
reorder
reorders by themean
in case of multiple values. To get the order right, reorder by thesum
.Map
n
onx
instead oftotal
. Otherwise you get two times total for each group.
QUESTION
I'm using pyspark to process some streaming data coming in and I want to add a new column to my data frame with a 50-second moving average.
i tried using a Window spec with rangeBetween:
...ANSWER
Answered 2021-Apr-12 at 14:19You are getting the Exception because it looks like you are building the Window for batch processing, not a streaming Dataframe.
In the Structured Streaming Programming Guidelines in section Window Operations on Event-Time an example is given that can be applied to your use case:
QUESTION
I'm having trouble with a crawler script that I created on Python. I'm grabbing the features and specifications (which are bullet points) for a list of product urls:
...ANSWER
Answered 2021-Apr-14 at 20:21You can use this example how to grab data from the items and save them to CSV:
QUESTION
I'm using the Nimbus look and feel in a Java application I am building and have a safeguard in case Nimbus can't be found but it doesn't look very good and much of the components look obstructed when using the default Windows look and feel. I found some things saying that Nimbus was cross-platform so I think it should be okay but I came here just in case. When I say jar converted into exe I'm just talking about compiling it into a jar and then creating a self-contained executable out of it, would that have Nimbus look and feel?
Thanks!
...ANSWER
Answered 2021-Apr-02 at 03:30Yes, since the Nimbus look and feel is cross-platform and has been included since Java 6, the JAR file will also have it once executed.
One way you can be reassured of it is by following the instructions on how to set in the official documentation.
https://docs.oracle.com/javase/tutorial/uiswing/lookandfeel/nimbus.html
QUESTION
I am writing a raycaster using SDL's C API. I have spent weeks trying to fix the notorious fisheye effect to no avail. According to this source, I can multiply my calculated distance by the cosine of half of the FOV to fix it. That has not worked for me. I still have the cosine correction in my code nonetheless.
Here are two images demonstrating the distortion:
I think a core problem of my code may be that my angle increment is constant, while the increment should be smaller as I'm closer to the screen borders. Unfortunately, I don't know how to start implementing this.
If possible, could anyone please take a look at my code and give me a tip on how to remove the fisheye? To move in any direction, use the arrow keys. Use the 'a' and 's' keys to turn left and right respectively.
This is how I'm compiling: clang `pkg-config --cflags --libs sdl2` raycaster.c
ANSWER
Answered 2021-Mar-11 at 22:09Okay I found a guide which talks about this exact issue.
Before drawing the wall, there is one problem that must be taken care of. This problem is known as the "fishbowl effect." Fishbowl effect happens because ray-casting implementation mixes polar coordinate and Cartesian coordinate together. Therefore, using the above formula on wall slices that are not directly in front of the viewer will gives a longer distance. This is not what we want because it will cause a viewing distortion such as illustrated below.
Thus to remove the viewing distortion, the resulting distance obtained from equations in Figure 17 must be multiplied by cos(BETA); where BETA is the angle of the ray that is being cast relative to the viewing angle. On the figure above, the viewing angle (ALPHA) is 90 degrees because the player is facing straight upward. Because we have 60 degrees field of view, BETA is 30 degrees for the leftmost ray and it is -30 degrees for the rightmost ray.
QUESTION
I am writing a raycaster using the SDL library with C. I have been dealing with the fisheye effect for many weeks now. For a field of view like 60 degrees, I multiply the distance to the wall by the cosine of the relative angle (ranging from -30 to 30), but still, I get the same fisheye. Here's what that looks like:
I don't know what to do at this point, given that so many sources have recommended cosine correction and it just does not fix the distortion in my case.
- I am compiling like this:
clang `pkg-config --cflags --libs sdl2` raycaster.c
- To go forward and back, press the up and down keys. Press left and right to strafe. You can use the
a
ands
keys to turn left and right respectively.
My code is below if you want to take a look. If you manage to figure out why I am getting a warped perspective in my engine, please let me know.
...ANSWER
Answered 2021-Mar-16 at 03:52There are two major problem in this code. The distance to the wall must be calculated for the intersection point of your ray to the wall instead of just relying that your endpoint lies inside the wall square.
Having a camera at C, the distortion is solved by casting rays from C through a sufficient number of points between A and B, just dividing this plane (your screen) to equally wide columns (pixels).
I'm fairly pessimistic about the cosine correction, since what I can tell, one should more likely adjust the drawn column width or position with it, than the column height.
QUESTION
I apologize for the vague title, but my issue is fairly specific. I'm currently converting our site to use Bootstrap, and I've come across a small thing that bugs me with the header (jumbotron). When viewed on mobile, or with a xsmall/small screen size, the words "Service" and "Agency" will force down to the next line and display underneath our tree logo (shown in pictures)
EDIT: Forgot to mention, I cannot just simply split the tree logo and words into two different columns, as this forces them to appear on opposite ends of the screen when viewed on desktop.
Instead, I'd like for the words "Human", "Service", and "Agency" all to display stacked on top of one another, next to the tree, when viewed on small or xsmall screens. Any ideas on how to approach this?
HTML:
...ANSWER
Answered 2021-Mar-09 at 16:57Replace this:
QUESTION
I wonder what is the best design for an app sold to multiple clients (there is very few differences between each client app: some css, auth method).
I think multiple instances (front + back + db) of our app, one for each client is a better design but I cannot find online sources.
Advantages of multiple instances:
- robust +++: deployement seems to be easier, we can go step by step
- agile +++: easy to deploy for specific client
- gdpr compliant ++: db are splitted by client, no chances to mess with client data (you'll find below a quote from the gdpr guideline)
Drawbacks:
- need to redeploy for all client after a new version is published
Am I missing something ?
gdpr guidelines:
...Effectiveness is at the heart of the concept of data protection by design. The requirement to implement the principles in an effective manner means that controllers must be able to demonstrate that they have implemented dedicated measures to protect these principles, and that they have integrated specific safeguards that are necessary to secure the rights and freedoms of data subjects. It istherefore not enough to implement generic measures solely to document DPbDD-compliance; each implemented measure must have an actual effect. This observation has two consequences.
ANSWER
Answered 2021-Feb-26 at 03:13I think this question would mostly attract opinionated answers and without deep understanding of your case it's pretty hard to claim any of it be applicable. I however wanted to add more points to consider as drawbacks of your chosen approach:
- maintaining multiple DBs has more overheads compared to one multi-tenanted DB (think RAM, disk, CPU, separate caches etc)
- deployment process gets more complicated - it requires to do multiple deployments of the same package to fix bugs/add common functionality
- the above would probably get particularly painful if you found a critical bug that you need to patch for everyone ASAP
- assuming some clients are going to use the application more often than others it gets harder to predict and balance the load across your app and DB servers (you either overprovision all or risk missing a user spike on one that's particularly hot)
There are more good points expressed on this software engineering SE thread.
QUESTION
The following code is giving me an android.content.ActivityNotFoundException
every so often.
I use identical code in a few of my activities to direct the user to additional information on a web site and it seems to work most of the time without problems.
...ANSWER
Answered 2021-Feb-08 at 22:12Is there a way to safeguard against this error?
Wrap any startActivity()
or startActivityForResult()
call that uses an implicit Intent
in a try
/catch
block, where you catch ActivityNotFoundException
. Bear in mind that there is no requirement for the user of your app to have access to a Web browser (e.g., child with a restricted account).
I can't figure out from the stack trace if the problem is with the calling Acttivity or with the new Activity that I am starting?
It is from com.nooriginalthought.amalfi.FirstRun.openWebPage (FirstRun.java:27)
. We do not have your full file and cannot tell you which line that is.
Note also that the stack trace refers to StartActivityForResult which I am not doing in this instance, I am just starting the new activity normally.
Your code is calling startActivity()
, as you can see in the at android.app.Activity.startActivity (Activity.java:5549)
line of the stack trace. Eventually, that calls startActivityForResult()
internally.
QUESTION
In some Node.js, I had
...ANSWER
Answered 2020-Dec-11 at 23:03The tool ESLint is the de facto standard to check for problems in JavaScript code.
In your specific case, the rule no-undef
would report the undeclared function.
There's also an extension for Visual Studio Code with more than 12 million downloads:
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