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Python list directory, subdirectory, and files
...n i[2]] for i in os.walk('./')] for val in sublist]
# Meta comment to ease selecting text
The outer most val for sublist in ... loop flattens the list to be one dimensional. The j loop collects a list of every file basename and joins it to the current path. Finally, the i loop iterates over all di...
jQuery Tips and Tricks
...sts
if ($("#someDiv").length)
{
// It exists...
}
Writing your own selectors
$.extend($.expr[":"], {
over100pixels: function (e)
{
return $(e).height() > 100;
}
});
$(".box:over100pixels").click(function ()
{
alert("The element you clicked is over 100 pixels heig...
What is the point of “final class” in Java?
...
@Goran globally applying final, yes. The key is to selectively apply final in places where you don't want modification (and of course to provide good hooks for extension)
– Sean Patrick Floyd
Mar 3 '11 at 14:17
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Sending message through WhatsApp
...act information and send message without having to touch on the contact to select and click ok to send ??
– user1492955
Jun 13 '13 at 7:02
1
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?
...ways be used with care.) The sync block requires the author to explicitly select a lock object; this allows them to participate in the synchronization policy of some other object, if they know what that policy is. The dangerous part is assuming that synchronizing on 'this' (which is what sync meth...
How to access the ith column of a NumPy multidimensional array?
...]])
>>> ncol = test.shape[1]
>>> ncol
5L
Then you can select the 2nd - 4th column this way:
>>> test[0:, 1:(ncol - 1)]
array([[1, 2, 3],
[6, 7, 8]])
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How to resolve the C:\fakepath?
...before uploading. Now I have to upload the file to create a preview of the selected image.
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How do you configure Django for simple development and deployment?
..., Python, Django, etc. As part of the installation process we allow you to select which database you want to use (MySQL, SQLite, PostgreSQL). We use the installers extensively when automating deployments internally (they can be run in unattended mode).
...
Get next / previous element using JavaScript?
...Name("div");
//divs now contain each and every div element on the page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous +1 = next within bounds
for(var i = 0; i < divs.le...
How can I simulate an anchor click via jquery?
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[0] indicates the first element of the array - a selector returns 0 or more elements when its executed. Its unfortunate that .click() doesn't seem to work directly here since seemingly other invocations are applied to collections of elements from selectors consistently acro...