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How to count the number of files in a directory using Python
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Remember to add the folder_path inside os.path.filename(name) if you're not on the cwd. stackoverflow.com/questions/17893542/…
– Rafael Oliveira
Apr 10 '14 at 14:54
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How to check 'undefined' value in jQuery
... and fill them with a default value say 0.0:
var aFieldsCannotBeNull=['ast_chkacc_bwr','ast_savacc_bwr'];
jQuery.each(aFieldsCannotBeNull,function(nShowIndex,sShowKey) {
var $_oField = jQuery("input[name='"+sShowKey+"']");
if($_oField.val().trim().length === 0){
$_oField.val('0.0')
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How to check if an element is in an array
...ed and work with the first such element,
Then an alternative to contains(_:) as blueprinted Sequence is to first(where:) of Sequence:
let elements = [1, 2, 3, 4, 5]
if let firstSuchElement = elements.first(where: { $0 == 4 }) {
print(firstSuchElement) // 4
// ...
}
In this contrived ex...
How to determine whether an object has a given property in JavaScript
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Underscore.js or Lodash
if (_.has(x, "y")) ...
:)
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Converting RGB to grayscale/intensity
... vision is not uniform. Experiments led to weighting of tristimulus values based on perception. Our L, M, and S cones1 are sensitive to the light wavelengths we identify as "Red", "Green", and "Blue" (respectively), which is where the tristimulus primary colors are derived.2
The linear light3 spect...
How do I add a tool tip to a span element?
...ning the tooltip, just use the attribute selector and change the placement based on the attribute's value.
Example here (with code) / Full screen example
Full CSS used in the example - customize this to your needs.
[data-tooltip] {
display: inline-block;
position: relative;
cursor: he...
What SOAP client libraries exist for Python, and where is the documentation for them? [closed]
...DS is very nice! Highly recommended!
I did run into trouble calling HTTPS-based web services from behind a proxy. At the time of this writing, this affects all Python web-service clients that use urllib2, so I'll document the solution here.
The urllib2 module shipping with python 2.6.2 and below ...
PowerShell: Run command from script's directory
...ve-Path or Get-ChildItem:
$filepath = Resolve-Path "somefile.txt"
EDIT (based on comment from OP):
# temporarily change to the correct folder
Push-Location $folder
# do stuff, call ant, etc
# now back to previous directory
Pop-Location
There's probably other ways of achieving something simil...
Pretty print in MongoDB shell as default
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You can add
DBQuery.prototype._prettyShell = true
to your file in $HOME/.mongorc.js to enable pretty print globally by default.
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How to permanently set $PATH on Linux/Unix? [closed]
...directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD.
/etc/environment.d/*.conf List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. The co...