大约有 2,600 项符合查询结果（耗时：0.0270秒） [XML]
How to change string into QString?
...omUtf8(const char * str, int size = -1)
const char* str = read_raw("hello.txt"); // assuming hello.txt is UTF8 encoded, and read_raw() reads bytes from file into memory and returns pointer to the first byte as const char*
QString qstr = QString::fromUtf8(str);
There's also method for const usho...
How to print last two columns using awk
...
try with this
$ cat /tmp/topfs.txt
/dev/sda2 xfs 32G 10G 22G 32% /
awk print last column
$ cat /tmp/topfs.txt | awk '{print $NF}'
awk print before last column
$ cat /tmp/topfs.txt | awk '{print $(NF-1)}'
32%
awk - print last two columns...
How to read a file in Groovy into a string?
...the same.
Read file.
File file1 = new File("C:\Build\myfolder\myTestfile.txt");
def String yourData = file1.readLines();
Read Full file.
File file1 = new File("C:\Build\myfolder\myfile.txt");
def String yourData= file1.getText();
Read file Line Bye Line.
File file1 = new File("C:\Build\myfol...
Which Visual C++ file types should be committed to version control?
...e
ico: resource
rc: resource script
rc2: resource script
sln: project file
txt: project element
vcxproj: project file
No:
aps: last resource editor state
exe: build result
idb: build state
ipch: build helper
lastbuildstate: build helper
lib: build result. Can be 3rd party
log: build log
manifes...
How to search file text for a pattern and replace it with a given value
...nto your programs.
Here's a quick short way to do it.
file_names = ['foo.txt', 'bar.txt']
file_names.each do |file_name|
text = File.read(file_name)
new_contents = text.gsub(/search_regexp/, "replacement string")
# To merely print the contents of the file, use:
puts new_contents
# To ...
How can I read large text files in Python, line by line, without loading it into memory?
...Keith's, while succinct, doesn't close the file explicitly
with open("log.txt") as infile:
for line in infile:
do_something_with(line)
share
|
improve this answer
|
...
Best practices for adding .gitignore file for Python projects? [closed]
...ts/
sdist/
var/
*.egg-info/
.installed.cfg
*.egg
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
.tox/
.coverage
.cache
nosetests.xml
coverage.xml
# Translations
*.mo
# Mr Developer
.mr.developer.cfg
.project
.pydevproject
# Rope
.ropeproject
# Django ...
Shell Script: Execute a python program from within a shell script
...ay:
python_file.py argument1 argument2 argument3 >> testpy-output.txt && echo "Done with python_file.py"
python_file1.py argument1 argument2 argument3 >> testpy-output.txt && echo "Done with python_file1.py"
Output of job.sh should look like this:
Done with python...
Upgrade python in a virtualenv
... save the dependencies in a requirement file (pip freeze > requirements.txt) and make a backup of it somewhere else. If anything goes wrong, you can still create a new virtualenv and install the old dependencies in it (pip install -r requirements.txt).
Updated: I changed the answer 5 months afte...
Git Diff with Beyond Compare
...
Funny thing is, 'git difftool file.txt' and 'git mergetool file.txt' are working ok, so I switched to those. But 'git diff file.txt' is now busted (before it used to show me the default console diff). Now it gives me 'error: cannot spawn bc3: No such file or d...