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How to zip a whole folder using PHP
...zip->close();
Zip a whole folder + delete all files except "important.txt":
// Get real path for our folder
$rootPath = realpath('folder-to-zip');
// Initialize archive object
$zip = new ZipArchive();
$zip->open('file.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE);
// Initialize empty ...
Printing the last column of a line in a file
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One way using awk:
tail -f file.txt | awk '/A1/ { print $NF }'
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How to create a file in memory for user to download, but not through server?
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Just add download="txt.csv" attribute in order to have proper file name and extension and to tell your OS what to do with it.
– elshnkhll
Jan 15 '16 at 16:33
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What does “export” do in shell programming? [duplicate]
...the assignment visible to subprocesses.
jcomeau@intrepid:~/rentacoder/bin2txt$ 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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