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javac option to compile all java files under a given directory recursively
...our project, it's easy:
# Linux / MacOS
$ find -name "*.java" > sources.txt
$ javac @sources.txt
:: Windows
> dir /s /B *.java > sources.txt
> javac @sources.txt
The advantage is that is is a quick and easy solution.
The drawback is that you have to regenerate the sources.txt file eac...
How do you read a file into a list in Python? [duplicate]
...
with open('C:/path/numbers.txt') as f:
lines = f.read().splitlines()
this will give you a list of values (strings) you had in your file, with newlines stripped.
also, watch your backslashes in windows path names, as those are also escape chars i...
Can I make 'git diff' only the line numbers AND changed file names?
...orite:
git diff --name-status
Prepends file status, e.g.:
A new_file.txt
M modified_file.txt
D deleted_file.txt
2) If you want statistics, then:
git diff --stat
will show something like:
new_file.txt | 50 +
modified_file.txt | 100 +-
deleted_file | 40 -
3) Fin...
How to open a file using the open with statement
...gle with. You comma-separate them. Your code would then be:
def filter(txt, oldfile, newfile):
'''\
Read a list of names from a file line by line into an output file.
If a line begins with a particular name, insert a string of text
after the name before appending the line to the ...
How do you append to a file in Python?
...
with open("test.txt", "a") as myfile:
myfile.write("appended text")
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How do I get both STDOUT and STDERR to go to the terminal and a log file?
...
The Pattern
the_cmd 1> >(tee stdout.txt ) 2> >(tee stderr.txt >&2 )
This redirects both stdout and stderr separately, and it sends separate copies of stdout and stderr to the caller (which might be your terminal).
In zsh, it will not proceed to...
Renaming a virtualenv folder without breaking it
...uirements, or can get them, Make a new virtualenv:
Create a requirements.txt file
(env)$ pip freeze > requirements.txt
If you can't create the requirements.txt file, check env/lib/pythonX.X/site-packages before removing the original env.
Delete the existing (env)
deactivate && rm -...
nodeJs callbacks simple example
...e of using both functions.
Synchronous:
var data = fs.readFileSync('test.txt');
console.log(data);
The code above blocks thread execution until all the contents of test.txt are read into memory and stored in the variable data. In node this is typically considered bad practice. There are times th...
How does a public key verify a signature?
...ncrypting):
openssl rsautl -encrypt -inkey public.pem -pubin -in message.txt -out message.ssl
openssl rsautl -decrypt -inkey private.pem -in message.ssl -out message.txt
Private key encrypts, public key decrypts (signing):
openssl rsautl -sign -inkey private.pem -in message.txt ...
CMake: How to build external projects and include their targets
... have to install Project A manually before invoking Project B's CMakeLists.txt - just like any other third-party dependency added this way or via find_file / find_library / find_package.
If you want to make use of ExternalProject_Add, you'll need to add something like the following to your CMakeLis...