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How to reload/refresh an element(image) in jQuery
...you wrote in your question). You can force the browser to reload the image by passing an extra variable like so:
d = new Date();
$("#myimg").attr("src", "/myimg.jpg?"+d.getTime());
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handlerbars.js check if list is empty
...ag (with <li>s inside), you don't want the empty state to be wrapped by the <ul>.
– Leonardo Raele
Jul 15 '19 at 20:41
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Problems with Android Fragment back stack
...we keep in mind that .replace() is equal with .remove().add() that we know by the documentation:
Replace an existing fragment that was added to a container. This is essentially the same as calling remove(Fragment) for all currently added fragments that were added with the same containerViewId an...
AngularJS - difference between pristine/dirty and touched/untouched
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AngularJS Developer Guide - CSS classes used by AngularJS
@property {boolean} $untouched True if control has not lost focus yet.
@property {boolean} $touched True if control has lost focus.
@property {boolean} $pristine True if user has not interacted with th...
Is there a way to make ellipsize=“marquee” always scroll?
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By the way, we actually had problems with this solution, since it messes up stateful drawables: if you change drawables with focus-in/focus-out, then this will break. Took us almost an hour of debugging until we realized this...
Convert a list to a data frame
...f lists is called l:
df <- data.frame(matrix(unlist(l), nrow=length(l), byrow=T))
The above will convert all character columns to factors, to avoid this you can add a parameter to the data.frame() call:
df <- data.frame(matrix(unlist(l), nrow=132, byrow=T),stringsAsFactors=FALSE)
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Android emulator and virtualbox cannot run at same time
...better to shutdown the Virtualbox emulator and unload its driver (vboxdrv) by running 'sudo /etc/init.d/vboxdrv stop'. Google suggests this "solution" on its Android Emulator page in the section about Linux.
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
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tl;dr
The Joda-Time project is in maintenance-mode, now supplanted by java.time classes.
Just use java.time.Instant class.
No need for:
LocalDateTime
java.sql.Timestamp
Strings
Capture current moment in UTC.
Instant.now()
To store that moment in database:
myPreparedStatement.set...
Iterate over object attributes in python
...__', 'bar', 'foo', 'func']
You can always filter out the special methods by using a list comprehension.
>>> [a for a in dir(obj) if not a.startswith('__')]
['bar', 'foo', 'func']
or if you prefer map/filters.
>>> filter(lambda a: not a.startswith('__'), dir(obj))
['bar', 'foo...
How can I prevent Visual Studio 2013 from closing my IIS Express app when I end debugging?
...s this feature.
“Enable Edit and Continue” debugging option is now on by default for new web applications in VS2013 preview
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