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Data binding to SelectedItem in a WPF Treeview
...selects an item (aka OneWayToSource)?
– Shimmy Weitzhandler
Nov 21 '17 at 21:23
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How do I keep CSS floats in one line?
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This may work with divs, but I just tested it with ul/li and it doesn't work :(
– AsGoodAsItGets
Aug 28 '14 at 14:59
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sho...
Flatten an Array of Arrays in Swift
Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co?
14 Answers
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How to show loading spinner in jQuery?
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ajaxStart and ajaxStop are jQuery events so you can namespace them: stackoverflow.com/questions/1191485/… docs.jquery.com/Namespaced_Events
– David Xia
Apr 16 '11 at 22:57
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Best way to repeat a character in C#
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string.Concat(Enumerable.Repeat("ab", 2));
Returns
"abab"
And
string.Concat(Enumerable.Repeat("a", 2));
Returns
"aa"
from...
Is there a built-in function to repeat string or char in .net?
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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How to add /usr/local/bin in $PATH on Mac
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One note: you don't need quotation marks here because it's on the right hand side of an assignment, but in general, and especially on Macs with their tradition of spacy pathnames, expansions like $PATH should be double-quoted as "$PATH".
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Remove duplicated rows using dplyr
...mple(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_number(z) == 1)
## Source: local data frame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need...
Javascript library for human-friendly relative date formatting [closed]
...braries available, but it is trivial to implement it yourself. Just use a handful of conditions.
Assume date is an instantiated Date object for the time you want to make a comparison against.
// Make a fuzzy time
var delta = Math.round((+new Date - date) / 1000);
var minute = 60,
hour = minut...
How can I change CSS display none or block property using jQuery?
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The correct way to do this is to use show and hide:
$('#id').hide();
$('#id').show();
An alternate way is to use the jQuery css method:
$("#id").css("display", "none");
$("#id").css("display", "block");
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