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How to create a file in memory for user to download, but not through server?
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Just add download="txt.csv" attribute in order to have proper file name and extension and to tell your OS what to do with it.
– elshnkhll
Jan 15 '16 at 16:33
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What does “export” do in shell programming? [duplicate]
...the assignment visible to subprocesses.
jcomeau@intrepid:~/rentacoder/bin2txt$ foo=bar
jcomeau@intrepid:~/rentacoder/bin2txt$ bash -c 'echo $foo'
jcomeau@intrepid:~/rentacoder/bin2txt$ export foo
jcomeau@intrepid:~/rentacoder/bin2txt$ bash -c 'echo $foo'
bar
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...;.cmake file located within your project. Something like this:
CMakeLists.txt
cmake/FindFoo.cmake
cmake/FindBoo.cmake
CMakeLists.txt content:
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
find_package(Foo REQUIRED) # FOO_INCLUDE_DIR, FOO_LIBRARIES
find_package(Boo REQUIRED) # ...
Turn a string into a valid filename?
...al (like ".."), for example, what you say would allow a filename named " . txt" which I think is not valid on Windows. As this is the most simple approach I'd try to remove whitespace from the valid_chars and prepend a known valid string in case of error, any other approach will have to know about w...
symfony 2 twig limit the length of the text and put three dots
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@mshobnr / @olegkhuss solution made into a simple macro:
{% macro trunc(txt, len) -%}
{{ txt|length > len ? txt|slice(0, len) ~ '…' : txt }}
{%- endmacro %}
Usage example:
{{ tools.trunc('This is the text to truncate. ', 50) }}
N.b. I import a Twig template containing macros and imp...
Using scp to copy a file to Amazon EC2 instance?
...ey-pair.pem ec2-user@ec2-198-51-100-1.compute-1.amazonaws.com:~/SampleFile.txt ~/SampleFile2.txt
SampleFile.txt: It will be the path from your root directory(In my case, /home/ubuntu). in my case the file which I wanted to download was at /var/www
SampleFile2.txt: It will be path of your machine'...
Can I grep only the first n lines of a file?
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The magic of pipes;
head -10 log.txt | grep <whatever>
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Can I force pip to reinstall the current version?
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If you want to reinstall packages specified in a requirements.txt file, without upgrading, so just reinstall the specific versions specified in the requirements.txt file:
pip install -r requirements.txt --ignore-installed
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read complete file without using loop in java
... file is small, you can read the whole data once:
File file = new File("a.txt");
FileInputStream fis = new FileInputStream(file);
byte[] data = new byte[(int) file.length()];
fis.read(data);
fis.close();
String str = new String(data, "UTF-8");
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Download File Using jQuery
...f you don't want search engines to index certain files, you can use robots.txt to tell web spiders not to access certain parts of your website.
If you rely only on javascript, then some users who browse without it won't be able to click your links.
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