bstring | A fork of Paul Hsieh 's Better String Library
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kandi X-RAY | bstring Summary
A fork of Paul Hsieh's Better String Library
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QUESTION
im trying to use the C standard library qsort()
function to sort an
array of bstring and didn't work,
according to bstrlib:
ANSWER
Answered 2022-Feb-10 at 21:49You have become confused about levels of indirection. Pretend that you don't know the definition of bstring
, and in particular, you don't know that it is a pointer type. Would you then think it made sense to convert pointers into bstring
s?
qsort()
's comparison function receives pointers to the values being compared, not the values themselves. Therefore, you appear to be looking for this variation:
QUESTION
I want to make a label using SwiftUI showing text in 3 colors i.e. ABC (A in black, B in gray, C in red) by following code
...ANSWER
Answered 2021-Jun-09 at 10:08A clean and clear approach that still produce the expected result would be:
QUESTION
I'm kinda new to JOLT and been struggling with getting the right transformation. Any help is appreciated. This is my input data:
...ANSWER
Answered 2021-Mar-24 at 18:32[EDIT] Try this spec:
QUESTION
Consider the following:
...ANSWER
Answered 2021-Feb-09 at 02:29Yes, of course TypeScript supports "hierarchical inheritance", although I've never heard this term before (or at least not in a way that contrasts with "single inheritance"). Instead of consulting javatpoint.com and w3spoint.com, I'd suggest using The TypeScript Handbook and the microsoft/TypeScript GitHub repository as more authoritative sources of information about TypeScript features.
If you look at the TypeScript Handbook section on class inheritance, you'll find the following example code:
QUESTION
GOAL: I have a GUI and a combo box with four values. I am attempting to get the selected amount and have it print to a file with an associated colour.
For example: if "ABC" is selected, then in a file, "Value and Assigned Color ABC red" is written to the line.
I am having this issue because I do not know how to retrieve the value from that combo box to use in my GetHeader class.
EXTRA: I am looking for one of two solutions,
(1) I go through and do the string compare as seen in "retrieveValueFromBox," or
(2) somehow get the index of the selected item and use that index to write the line I need." It would also be great to get some decent suggestions on how to work with or learn C# better.
My code:
MainWindow.xaml
...ANSWER
Answered 2020-Nov-20 at 19:03I got what I needed.
Problems on my end.
The Combo Box was not tied to an event properly. The fix was double clicking the Combo Box in the XAML design window, which created an event, at the very bottom of WindowWindow.xaml.cs, that tied to the box.
QUESTION
I am making a program that encrypts text to a file, then saves the file in whatever directory python is saved to. In the process I had the bright idea to have the program ask if the user wants to continue with more encrypts, or stopping. Now I have the even brighter idea of asking if they then want to move to decrypt or exit, however I am having issues with how the could should work. I have about a months and half worth of experience, so keeping it simple, without using def() or things like that would be appreciated.
Edit: I have now gotten all the code to work properly except for the very end in the else statement. I would like to give the user the option to retry their spelling input or exit the program. Having a hard time figuring out how to do that
...ANSWER
Answered 2020-Nov-15 at 01:31This is your code after editing to check for wrong spelling without much modifications. It just needed to set question to Spelling
and then check it in the next round for getting new input. You also had one check that was redundant and not needed at all which is:
QUESTION
Write a script that decrypts a message coded by the method used in Project 6.
Method used in project 6:
Add 1 to each character’s numeric ASCII value. Convert it to a bit string. Shift the bits of this string one place to the left. A single-space character in the encrypted string separates the resulting bit strings.
An example of the program input and output is shown below:
Enter the coded text: 0010011 1001101 1011011 1011011 1100001 000011 1110001 1100001 1100111 1011011 1001011 000101
Hello world!
The commented out stuff is seperate part of the code I'm not on. I am trying to get only with the binary to decimal conversion as I would like to figure as much out on my own as I can, but I feel like I'm getting too stuck and nothing I think of works. But in essence, it must be converted from binary to decimal, the decimal to ascii, then ascii to a writable string
This my code so far:
...ANSWER
Answered 2020-Nov-10 at 00:30You're processing every individual character of message
one by one, i.e. the zeros, ones and spaces. You should instead do message = message.split()
before the loop, to split message
into the binary chunks.
You could see that if you put a print
in the loop:
QUESTION
This checksum calculation will be called many times: Is it possible to make the following checksum function work faster?
I'm particularly wondering if it is possible to get rid of the for loops (as I'm told those are slow in python).
...ANSWER
Answered 2020-Nov-06 at 17:39This code is about 10% faster on my machine:
QUESTION
The following code is from better string library header. While looking at the define macros, I notice that va_list, va_start, and va_end are all used inside the for loop.
Wonder why this is necessary?
By the way, I have looked into the function bvcformata which doesn't modify bstrmp_arglist.
...ANSWER
Answered 2020-Oct-28 at 21:16Never mind silly me. I just notice that there are "break"s within the for loop. By "moving" the va_list and va_end out will create a memory leak.
QUESTION
I am trying to convert between custom types in TypeScript and use a conditional return type. However, TS won't let me, as the following doesn't compile:
...ANSWER
Answered 2020-Oct-14 at 00:20The problem is typescript can't make the jump in logic that isAString(a)
is equivalent to checking T extends string
. It narrows down the definition of the variable a
but not of the generic T
. It still thinks that T
could be either, so it complains about returning BString
or BNumber
individually because it doesn't know that you are returning the right one.
Your as BString
and as BNumber
declarations aren't actually necessary because typescript does already understand that it is dealing with {b: string}
in the first case and {b: number}
in the second. The jump that it is failing to make is that these types have anything to do with T
.
The easiest way to shut it up is to use as B
in both scenarios.
Another simple solution is to make your return type rely directly on a value which it can infer from T
.
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