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How do you get the length of a list in the JSF expression language?
...length attributes, they won't implement getSize() or getLength() which JSF and most other standards require, you can't do what you want.
There's a couple ways to do this.
One: add a function to your Bean that returns the length:
In class MyBean:
public int getSomelistLength() { return this.somel...
How to add 30 minutes to a JavaScript Date object?
...in case this is not obvious, the reason we multiply minutes by 60000 is to convert minutes to milliseconds.
Be Careful with Vanilla Javascript. Dates Are Hard!
You may think you can add 24 hours to a date to get tomorrow's date, right? Wrong!
addMinutes(myDate, 60*24); //DO NOT DO THIS
It turns...
When should a class be Comparable and/or Comparator?
I have seen classes which implement both Comparable and Comparator . What does this mean? Why would I use one over the other?
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How to code a BAT file to always run as admin mode?
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convert your batch file into .exe with this tool: http://www.battoexeconverter.com/ then you can run it as administrator
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Transpose list of lists
... each column. The columns are just passed through to the outer map() which converts them from tuples to lists.
Somewhere in Python 3, map() stopped putting up with all this abuse: the first parameter cannot be None, and ragged iterators are just truncated to the shortest. The other methods still wo...
Insert HTML into view from AngularJS controller
...r $sce to resolve that.
$sce
Use $sce.trustAsHtml() in the controller to convert the html string.
$scope.thisCanBeusedInsideNgBindHtml = $sce.trustAsHtml(someHtmlVar);
ngSanitize
There are 2 steps:
include the angular-sanitize.min.js resource, i.e.:
<script src="lib/angular/angular-sanit...
How do you normalize a file path in Bash?
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if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too.
dirname /foo/bar/baz
# /foo/bar
basename /foo/bar/baz
# baz
dirname $( dirname /foo/bar/baz )
# /foo
realpath ../foo
# ../foo: No such file or directory
re...
Iterating over every two elements in a list
...turns a zip object in Python 3, which is not subscriptable. It needs to be converted to a sequence (list, tuple, etc.) first, but "not working" is a bit of a stretch.
– vaultah
Feb 25 '17 at 14:03
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Can I store images in MySQL [duplicate]
...atabases are ultimately stored on disk. This means that your DB images are converted to blobs, inserted into a database, and then stored on disk; you can save a lot of overhead by simply storing them on disk.
Instead, consider updating your table to add an image_path field. For example:
ALTER TAB...
Python Create unix timestamp five minutes in the future
...etime.timedelta) didn't mention that shortcut. It only had days, seconds, and microseconds.
– Daniel Rhoden
May 5 '10 at 19:05
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