42sh | : four : :two : bash-like shell | Interpreter library
kandi X-RAY | 42sh Summary
kandi X-RAY | 42sh Summary
By alao, ariard, gwojda, jhalford, wescande. Final grade : 125/100. More than 10 000 lines of pure C, even the library was written by ourselves. No memory leaks, no crash were allowed. The most impressive project of the first cycle of 42 school cursus.
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QUESTION
I'm actually learning reacts. and I meet this error when I try to loop over my DB, so to fix the problem I try to create an array and add some information in, but the problem is already there, can anyone help me please ?
this is the code:
...ANSWER
Answered 2020-Jul-02 at 19:30Your items are an object not an array. Change items: { ...}
to items: [...]
.
Also you access state via this.state.items
.
QUESTION
I want to compile my C99 project with the flag -fsanitize=address
. I need to use CMake and to compile with gcc on a Centos 7 distribution.
I currently have gcc 7.3.1 and cmake 3.13.4.
I added the -fsanitize=address
flag in the compilation flags list and in the linker, but it still fails to compile with the following error:
ANSWER
Answered 2019-Mar-26 at 09:48Your toolchain is somewhat confused about which version of GCC it is and the linkage failure is one consequence of that confusion.
You tell us you are using GCC 7.3.1, but the first of the unresolved references to __asan_init_v1
:
QUESTION
I am writing an option parser for a bash-like shell I develop.
Nevertheless, to be compatible with bash options, I must read some options which begin with a '+', like this:
./42sh +O autocd [...]
(The manual page says these options will passed to the builtin shopt
which sets the values of settings).
The problem is that getopt_long()
function only returns the options which begin with a -
or --
, if they are not alone. If they are, bash counsider them respectively as an alias for standard input and a end of options marker.
How I could get this type of options with getopt_long()
? Have I to parse these options by myself ?
EDIT : according to the @jxh response and the man 3 getopt
page, I discovered that getopt
and getopt_long
arranges the **argv
parameters array to move all arguments that don't seem to be valid options - from their point of view - at the end. So, I wrote the following code after the usual code which gets the normal options (all suggestions and remarks greatly appreciated):
EDIT2 : fixed memory leak due to strdup() at each iteration of the loop.
...ANSWER
Answered 2018-Mar-24 at 06:30As you have noted in your research, you cannot use getopt_long
to parse options that begin with +
.
As a workaround, you can scan argv[]
yourself, and then create a new argument vector that substitutes --plus-
in front of every argument you think is a +
style option in the original argv[]
. This new array should be parseable by getopt_long
.
QUESTION
I am using Bootstrap
s 3 collapse panels that look like such when closed.
I wish to change the background and text color to something else, I believe the css
snippet that is interresting is the following (in bootstrap.css
):
ANSWER
Answered 2017-Feb-01 at 20:49You're loosing a specificity war with Bootstrap's css. Remove the class panel-default
and then apply your css as attached.
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