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Check if Python Package is installed
What's a good way to check if a package is installed while within a Python script? I know it's easy from the interpreter, but I need to do it within a script.
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How to append a newline to StringBuilder
I have a StringBuilder object,
9 Answers
9
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Installing Python packages from local file system folder to virtualenv with pip
...-e, --editable <path/url> Install a project in editable mode (i.e. setuptools
"develop mode") from a local project path or a VCS url.
eg, pip install -e /srv/pkg
where /srv/pkg is the top-level directory where 'setup.py' can be found.
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What does “while True” mean in Python?
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15 Answers
15
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Formatting Phone Numbers in PHP
I am working on an SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
11
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PHP: How to use array_filter() to filter array keys?
...PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = array_filter(
$my_array,
function ($key) use ($allowed) {
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send mail from linux terminal in one line [closed]
...ers: First You need to install mailutils
sudo apt-get install mailutils
Setup an email server, if you are using gmail or smtp. follow this link. then use this command to send email.
echo "this is a test mail" | mail -s "Subject of mail" username@domain.com
In case you are using gmail and still...
How to deal with SettingWithCopyWarning in Pandas?
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The SettingWithCopyWarning was created to flag potentially confusing "chained" assignments, such as the following, which does not always work as expected, particularly when the first selection returns a copy. [see GH5390 and GH5...
What is the Python equivalent for a case/switch statement? [duplicate]
I'd like to know, is there a Python equivalent for the case statement such as the examples available on VB.net or C#?
2 Ans...