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Escape double quotes in parameter
... the command line text "a\"b c" > d and redirect its output to file out.txt, then start your program as follows from the Windows command shell:
foo ^"a\^"b c^" ^> d > out.txt
If foo interprets \" as a literal double quote and expects unescaped double quotes to delimit arguments that incl...
How to detect my browser version and operating system using JavaScript?
...<div id="example"></div>
<script type="text/javascript">
txt = "<p>Browser CodeName: " + navigator.appCodeName + "</p>";
txt+= "<p>Browser Name: " + navigator.appName + "</p>";
txt+= "<p>Browser Version: " + navigator.appVersion + "</p>";
txt+= "...
How to concatenate two strings in C++?
... private class variable char name[10] to which I would like to add the .txt extension so that I can open the file present in the directory.
...
How to get the cuda version?
...abilities.
As others note, you can also check the contents of the version.txt using (e.g., on Mac or Linux)
cat /usr/local/cuda/version.txt
However, if there is another version of the CUDA toolkit installed other than the one symlinked from /usr/local/cuda, this may report an inaccurate version...
Find files and tar them (with spaces)
....gz file you can do this. Optional -type f -atime
find -name "httpd-log*.txt" -type f -mtime +1 -exec tar -vzcf {}.gz {} \;
This will compress
httpd-log01.txt
httpd-log02.txt
to
httpd-log01.txt.gz
httpd-log02.txt.gz
...
How to encode the filename parameter of Content-Disposition header in HTTP?
... allows utf-8 encoding, percentage encoded (url-encoded). Then Naïve file.txt becomes:
Content-Disposition: attachment; filename*=UTF-8''Na%C3%AFve%20file.txt
Safari (5) does not support this. Instead you should use the Safari standard of writing the file name directly in your utf-8 encoded head...
Redirect stdout to a file in Python?
...on in Python 3.4:
from contextlib import redirect_stdout
with open('help.txt', 'w') as f:
with redirect_stdout(f):
print('it now prints to `help.text`')
It is similar to:
import sys
from contextlib import contextmanager
@contextmanager
def redirect_stdout(new_target):
old_targe...
setuptools: package data folder location
... __init__.py
data/
resource1/
foo.txt
You can add a function to __init__.py to locate an absolute path to a data
file:
import os
_ROOT = os.path.abspath(os.path.dirname(__file__))
def get_data(path):
return os.path.join(_ROOT, 'data', path)
print ge...
Bind TextBox on Enter-key press
...you end up with a very MVVM friendly solution:
<TextBox Text="{Binding Txt1, Mode=TwoWay, UpdateSourceTrigger=Explicit}">
<TextBox.InputBindings>
<KeyBinding Gesture="Enter"
Command="{Binding UpdateTextBoxBindingOnEnterCommand}"
Co...
MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注IT技能提升
... | grep 10240 -A 10
所有连接消耗的内存加起来会相当惊人，推荐把Stack设置小一点，比如说1024：
shell> ulimit -s 1024
注：从MongoDB1.8.3开始，MongoDB会在启动时自动设置Stack。
有时候，出于某些原因，你可能想释放掉MongoDB占用的内存...