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Speed up the loop operation in R
...possible. I took your function, change indexing and here version_A
dayloop2_A <- function(temp){
res <- numeric(nrow(temp))
for (i in 1:nrow(temp)){
res[i] <- i
if (i > 1) {
if ((temp[i,6] == temp[i-1,6]) & (temp[i,3] == temp[i-1,...
jQuery: checking if the value of a field is null (empty)
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answered Nov 22 '10 at 10:47
GuffaGuffa
619k9090 gold badges651651 silver badges926926 bronze badges
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node.js child process - difference between spawn & fork
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219
Spawn is a command designed to run system commands. When you run spawn, you send it a system ...
Under what conditions is a JSESSIONID created?
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329
JSESSIONID cookie is created/sent when session is created. Session is created when your code ca...
Android hide listview scrollbar?
...37
Ria
9,22633 gold badges2626 silver badges5454 bronze badges
answered Aug 15 '11 at 6:20
ihrupinihrupin
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How to get jQuery to wait until an effect is finished?
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answered Jun 30 '09 at 20:16
Paolo BergantinoPaolo Bergantino
434k7676 gold badges504504 silver badges431431 bronze badges
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Select element based on multiple classes
...two classes? "Chain" the selectors (no spaces between them):
.class1.class2 {
/* style here */
}
This selects all elements with class1 that also have class2.
In your case:
li.left.ui-class-selector {
}
Official documentation : CSS2 class selectors.
As akamike points out a problem with...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
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293
Use the .scrollHeight property of the DOM node: $('#your_div')[0].scrollHeight
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Why is there no Convert.toFloat() method?
...y C#. There's a Convert.ToSingle() method, just like there's
Convert.ToInt32() instead of Convert.ToInt().
See this thread Convert class
(BTW - I didn't know this either, so I learned something new today :) )
share
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How does git compute file hashes?
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123
Git prefixes the object with "blob ", followed by the length (as a
human-readable integer)...