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Split a vector into chunks in R
...ks of size 20:
split(d, ceiling(seq_along(d)/20))
More details: I think all you need is seq_along(), split() and ceiling():
> d <- rpois(73,5)
> d
[1] 3 1 11 4 1 2 3 2 4 10 10 2 7 4 6 6 2 1 1 2 3 8 3 10 7 4
[27] 3 4 4 1 1 7 2 4 6 0 5 7 4 6 8 4 7 1...
Adding days to $Date in PHP
...
All you have to do is use days instead of day like this:
<?php
$Date = "2010-09-17";
echo date('Y-m-d', strtotime($Date. ' + 1 days'));
echo date('Y-m-d', strtotime($Date. ' + 2 days'));
?>
And it outputs correctly:
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Is it possible to change the radio button icon in an android radio button group
I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered.
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How to turn off caching on Firefox?
During development I have to "clear cache" in Firefox all the time in order to make it use the latest version of JavaScript files.
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How to resume Fragment from BackStack if exists
... means there is an instance of the Fragment in the back stack. If not, actually execute the Fragment replacement logic.
private void replaceFragment (Fragment fragment){
String backStateName = fragment.getClass().getName();
FragmentManager manager = getSupportFragmentManager();
boolean fragm...
Filter element based on .data() key/value
...ts with class .navlink , which, when clicked, use .data() to set a key called 'selected' , to a value of true :
5 Answ...
CURL to access a page that requires a login from a different page
...he path parameter (/a in this case) and it is not forwarded to the second call. If I edit the cookie in the file and put a slash only, it works (cookie forwarded to the second call). Do you know if it's possible to prevent the storage of the path in the cookie file?
– рüфф...
Concatenate two string literals
...itial element.
So, when you try to do "Hello" + ",world", what you're really trying to do is add two const char*s together, which isn't possible (what would it mean to add two pointers together?) and if it was it wouldn't do what you wanted it to do.
Note that you can concatenate string liter...
Is it possible to do start iterating from an element other than the first using foreach?
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Good call. WTB auto-complete (gahh can't remember the real name of it) in stackoverflow ;)
– MoarCodePlz
Jun 21 '11 at 17:56
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TFS checkin error - could not find file
... project, then selected "Undo Pending Changes...", and it disappeared magically! I never expected that "undo pending changes" would remove the entire folder. TFS is unique in this regard.
– Hong
Apr 9 '14 at 4:13
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