study | stack engineer study notes ; Spring login | Continuous Deployment library
kandi X-RAY | study Summary
kandi X-RAY | study Summary
Full-stack engineer study notes; Spring login, shiro login, CAS single sign-on and Spring boot oauth2 single sign-on; Spring data cache, supports Redis and EHcahce; web security, common web security vulnerabilities and solutions; conventional components, such as redis , mq, etc.; quartz timing task
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Top functions reviewed by kandi - BETA
- Create the initialize from a JSONObject
- Writes the specified JSONObject to the specified copy .
- Process a table .
- generate code qualified by name
- Update field value .
- Computes the PBKDF2 hash of the given password .
- Escapes the given string .
- add toString method
- Adds an equals method .
- Determine the type of the object .
study Key Features
study Examples and Code Snippets
Lines of Code : 9License : Permissive (MIT License)
Copy@GetMapping("/{id}")
public ResponseEntity read(@PathVariable("id") Long id) {
Student foundStudent = service.read(id);
if (foundStudent == null) {
return ResponseEntity.notFound().build();
} else {
public static String getNestedValue(Course course, String enrollId, String nestedPropertyName) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
return (String) PropertyUtils.getNestedProperty(course, "enrolled public Optional getStudent(int id) {
return Optional.ofNullable(students.get(id));
} Community Discussions
Trending Discussions on study
QUESTION
While studying OpenCV, I realized that whenever I blend two images the colors of scr2 have changed in some way(depends on the colors of scr1).
I know this is not an informative and clear way to explain my issue, however; I don't know how to describe this issue since I have no expertise with colors so I would like to show you what I meant with images and code.
The input image: Input image
...ANSWER
Answered 2021-Jun-15 at 16:46I think I misunderstood your issue. If your issue is that the image where you do not have lines has changed, then that is because you used a white background for scr2. The white then mixes with your image in the output. Make it scr2=img.copy() in place of what you have now. Then try your code. So in Python/OpenCV as a demonstration, using the Lena image as background, here is your code:
QUESTION
I have a text file called listofhotelguests.txt where hotelguests are stored line by line with their first names separated by && as a delimiter. Can someone explain how I can have my Python program read it so it associates john with doe, ronald with macdonald, and george with washington?
My expected outcome I'm hoping for is if I prompt the user for their lastname to make sure their a valid guest on the list, the program will check it against what it has in the file for whatever the firstname they entered earlier was.
So if someone enters george as their first name, the program retrieves the line where it has george&&washington, prompts the user to enter their lastname and if it doesn't match what it has, either say it matches or doesn't. I can figure the rest out later myself.
Assuming there is nobody with the same names.
I know I have to split the lines with &&, and somehow store what's before && as something like name1 and whats after && as name2? Or could I do something where if the firstname and lastname are on the same line it returns name1 and password1?
Not sure on what to do. Python is one of my newer languages, and I'm the only CS student in my family and friend groups, so I couldn't ask anybody else for help. Got nowhere by myself.
Even just pointing me in the direction of what I need to study would help immensely.
Thanks
Here's what the text file looks like:
...ANSWER
Answered 2021-Jun-15 at 19:30Here's a solution:
QUESTION
I need to get the size of bits used in one Integer variable.
like this:
...ANSWER
Answered 2021-May-18 at 21:30This works:
QUESTION
Hi I am looking for help to study pre-existing models that are IoT based but has applications such as radio frequency identification, emergency related, and some form of access control, a paper in that area is ideal. Thanks in advance!
...ANSWER
Answered 2021-Jun-15 at 15:56Please try to have more details in your questions, an example of what the framework is, I have published previously a framework in IoT Emergency System that was based on a disaster. The Doc will help you research your topic better as it is based on a framework design, a prototype is developed using an RFID access control and a drone system. We also incorporate design specifications that minimize the risk of data and privacy breaches. DOI
QUESTION
Could you please help me with a script that prints the first 10 working days or weekdays in a specified month and year to a file?
In my case, the month and year values are specified in a file and the content of the file looks like this:
...ANSWER
Answered 2021-Jun-15 at 12:54Here's an example:
QUESTION
Following script is a combination of RSI and Higher High and Lower Low script. The issue is that the HH LL labels are aligned for the price not on the RSI Line. How to align the labels to the RSI line? It is basically showing the Higher Highs and Lower Lows of RSI. The labels need to stick on to the respective RSI line.
...ANSWER
Answered 2021-Jun-15 at 09:25Changed the location.belowbar and location.abovebar with location.absolute and the plotshapes display (ex: if _hl is true, plot at the RSI level, otherwise pass)
QUESTION
For a project for my study I am working on a React Native project, but I am stuck. I want to give the prop 'Score' to Card.js and based on that score a color has to be defined; 'transparancyColor'. Currently, the props are passed from Home.js to Card.js and the transparencyColor is defined there. Is this a smart way, or do I have to do this at Home.js? And how?
The code of Card.js looks as follows:
...ANSWER
Answered 2021-Jun-15 at 09:10Regarding the code structure question, it's fine, especially initially, to pass props down one or two levels.
In terms of code, something like that (note the convention is to start variable names with lowercase):
QUESTION
Our platform allows user to submit forms (Umbraco Forms), but upon opening the submitted forms, the order of the data fields has changed arbitrarily every time. I need to reorder a form to the original order, but cannot know the order of the form without iterating it. I have tried this:
...ANSWER
Answered 2021-Jun-11 at 11:04This doesn't work because when you insert at index 10, then you iterate again, changing the index of that element.
Try use a Dictionary maybe:
QUESTION
I have been studying and learning PHP and MySQL and I have started a system that I'm developing for a friend's little school and to help me to improve my learning. I basically have in this case a table with the names of the students (tb_std) and another with the names of the teachers (tb_tch). The work is to distribute these students among the teachers in a new table, which is the way I think it will work better (tb_final).
- I basically need each student to have a randomly chosen teacher so that the distribution is numerically even among the teachers.
In this example, I have 7 teachers and 44 students. Using SELECT query I did the operations to find out how many students would be for each teacher (add/division/mod), but how to make this draw to play in this new table I have no idea where to start.
...ANSWER
Answered 2021-Jun-14 at 14:50You can solve this by next (a bit a complicate) query using window functions:
QUESTION
We are programmatically creating PDF using our in house lib (C++) by adding all the required objects so that PDF readers can render them properly. Currently we are enhancing the lib to support digital signatures in PDF. Our users will use USB token or Windows certificates to sign the PDF. On studying raw PDF file with digital signature, we were able to make sense of all the objects except for the contents of Sig type object.
...ANSWER
Answered 2021-Jun-10 at 16:48Ok, the signature container is embedded correctly.
But there are issues with the signature container itself:
Both in the
SignedData.digestAlgorithmscollection and in theSignerInfo.digestAlgorithmvalue you have used the OID of SHA1withRSA, but that is a full signature algorithm, not the mere digest algorithm SHA1 expected there.Then the SHA1 hash of the signed bytes is BB78A402F7A537A34D6892B83881266501A691A8 but the hash you signed is 90E28B8A0D8E48691DAFE2BA10A4761FFFDCCD3D. This might be because you hash buffer2 and
buffer2 has empty contents data (/Contents <>)
The hex string delimiters '<' and '>' also belong to the contents value and, therefore, must also be removed in buffer2.
Furthermore, your signature is very weak:
- It uses SHA1 as hash algorithm. SHA1 meanwhile has been recognized as too weak a hash algorithm for document signatures.
- It doesn't use signed attributes, neither the ESS signing certificate nor the algorithm identifier protection attribute. Many validation policies require such special attributes.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install study
You can use study like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the study component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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