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What is the meaning of #XXX in code comments?
... @ЯрославРахматуллин in source code I would always read it in the "this is an ugly hack job, but seems to work well enough" sense - something you'd like to clean up later, but is not urgent. I've not used it (I typically use TODO or XXX instead), but that's how I would interp...
Change all files and folders permissions of a directory to 644/755
...ich basically means:
to change file modes -Recursively by giving:
user: read, write and eXecute permissions,
group and other users: read and eXecute permissions, but not -write permission.
Please note that X will make a directory executable, but not a file, unless it's already searchable/execut...
When is .then(success, fail) considered an antipattern for promises?
...bit odd, this is actually what python has try-except-else for (recommended reading!).
// some_promise_call().then(logger.log).catch(logger.log)
try {
var results = some_call();
logger.log(results);
} catch(e) {
logger.log(e);
}
The catch logger will also handle exceptions from the suc...
How to compare strings in Bash
...you want to do something when they don't match, replace = with !=. You can read more about string operations and arithmetic operations in their respective documentation.
Why do we use quotes around $x?
You want the quotes around $x, because if it is empty, your Bash script encounters a syntax erro...
What's the u prefix in a Python string?
...ead simplest, probably flawed, solution this second.
A: You should really read Joel's Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!) essay on character sets.
Q: sry no time code pls
A: Fine. try str('Some String') or 'Some...
Use numpy array in shared memory for multiprocessing
...
While the answers already given are good, there is a much easier solution to this problem provided two conditions are met:
You are on a POSIX-compliant operating system (e.g. Linux, Mac OSX); and
Your child processes need read-only access to t...
How should strace be used?
...ster than GDB because it looks up errno codes for you, e.g. -EFAULT (oops, read-only buffer) or -ENOENT (oops, ran from the wrong directory where the relative path didn't work).)
– Peter Cordes
Apr 9 '19 at 6:50
...
How to reliably open a file in the same directory as a Python script
...able (e.g. if the interpreter is invoked interactively or if the script is read from standard input), path[0] is the empty string, which directs Python to search modules in the current directory first. Notice that the script directory is inserted before the entries inserted as a result of PYTHONPATH...
How to refer to relative paths of resources when working with a code repository
...em using a different path separator in the future and want your code to be ready for it, os.pardir will be more portable. I'd make the case that every programmer, even one who never read any python knows the meaning of "..", while "os.pardir" is a level o f indirection one would have to look up in t...
Biggest differences of Thrift vs Protocol Buffers?
...here is no way to do this in Thrift
I find Protocol Buffers much easier to read
Basically, they are fairly equivalent (with Protocol Buffers slightly more efficient from what I have read).
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