S2E | Exploit Memorization Effect in Learning from Noisy Labels
kandi X-RAY | S2E Summary
kandi X-RAY | S2E Summary
Q. Yao, H. Yang, B. Han, G. Niu, J. Kwok. Searching to Exploit Memorization Effect in Learning from Noisy Labels. ICML 2020
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QUESTION
I need the group rows of my dataset based on some criteria. My input dataset is like df1 :
...ANSWER
Answered 2021-May-01 at 20:41First of all, the columns col_1
, col_2
, col_3
, and range
don't matter. They can be abstracted away by a group
column.
The idea is to use a window function to order rows in each window by tp
value, then:
- Create a row number for each row which will be used as subgroup id later.
- Calculate the ratio between each row and its previous row
- If the ratio is greater than or equal to 2, use the current row's row number as the subgroup id; otherwise, carry over the subgroup id from previous row.
Code in scala, but should demonstrate the idea:
QUESTION
I'm writing a simple math program, and it's my first UI based app. I'm trying to get entry and turn it into a number:
...ANSWER
Answered 2020-May-25 at 19:33A tk.Entry
does not readily convert to a python integer. When you try str(tk.Entry)
, it will return '!entry'
. When converting strings to integers, you can specify a base for the conversion, and int()
will convert based on the base (pun unintended). For base 10, you have no letters or symbols, so it is not possible to convert '!entry'
into an integer. You need to call tk.Entry().get()
, which will return the string of anything in the entry. However, it will return this instantaneously, not giving the user time to input anything, so you will get an empty string, ''
. Again, symbol 'nothing' is not in base 10, so it will raise an error. You need to put in a time delay before checking, to let the user input something, or you can make a button that calls a function that checks what you want to check when pressed:
QUESTION
I am trying to api test few APIs using Robot framework. when I try to test api with square brackets it is not getting considered and getting wrong response. Whereas the same api is able to give correct response in POSTMAN.
I have the below API: https://orbit.com/s2e/api/q1/client/?filter[customField.ID]=1003
When I hit in Postman I am getting valid response as
...ANSWER
Answered 2020-Jan-31 at 07:43Maybe the problem is not with the square brackets but with the equal sign. It is difficult to know what problem you are facing as you don't share your Robot Code.
But here are two implementation of basic GETS performed on URL that contain square brackets. Note that I used a backslash (\
) before the =
otherwise it is considered as a named argument.
Implementation with requests
library:
QUESTION
I am trying to analyse QEMU tcg IR code
I saw this post which discusses QEMU code flow. According to the diagram, the translation occurs at target-xxx/translate.c and that's where QEMU translates code from source (or front end) to TCG IR. Then further at tcg/xxx/tcg-target.c.
This process can be summarize as follows (at least according to my understanding) -
Say, we have x86
as a front-end and powerpc (ppc64abi32)
as a back-end, then -
x86
--> TCG IR
--> ppc64abi32
I want to analyse this TCG IR
code. Is there any way we can generate this code (This may not be relevant, but for eg. we can generate LLVM IR code using a flag -S with clang)?
I did some research myself and found struct TranslationBlock
(in the file /include/exec/exec-all.h) which has something to do with the tcg IR code (So, I tried to print some struct variables, but I'm not sure if I'm going in the right direction). I also read the tiny code generator readme, but could not find the generation related information.
ANSWER
Answered 2018-Dec-13 at 12:06Look at the -d option, which enables debug printing of various things. "-d op" traces the TCG ops. You probably also will want to trace the input and output asm with in_asm and out_asm. The -D file option to dump the tracing to a file is also helpful as the tracing is usually quite large.
QUESTION
I have this model:
...ANSWER
Answered 2018-Oct-08 at 13:23Idea is to use related_name='s2e_relation'
passed in ManyToManyField
You can do so by:
QUESTION
I am trying to use z3 to simplify a few expressions generated by S2E/KLEE
...ANSWER
Answered 2018-Jan-11 at 18:29You can print the expressions using the Python pretty printer as you do. It cuts off the expressions if they become very big and the pretty printer is not efficient. There are settings you can add to the pretty printer to force it to print full expressions. The function is called set_pp_option and it is defined in z3printer.py. The main option is called max_depth. Other options are defined as fields in the Formatter class.
You can also print expressions in SMT2 format using the method "sexpr()".
BTW, the file you uploaded doesn't process because it is in UTF8 format, but this is orthogonal to your question and probably an artifact of how you uploaded the repro.
QUESTION
I am trying to track use-after-free errors in C. And my question is that, if I have the code like this:
...ANSWER
Answered 2017-Dec-20 at 06:50The aliasA
is UAF error, it may hold the same value as ptrA
but it's not guaranteed and it's recommended to re-assign the freed pointer (both aliasA and ptrA) to NULL
to avoid dangling pointer.
In your case, it's better to assign NULL
after you free
:
QUESTION
Hi guys I'm now studying at Japan and here's my problem:
My code:
...
ANSWER
Answered 2017-Apr-27 at 07:12You need to tell the compiler that the source file is in UTF-8:
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