大约有 30,000 项符合查询结果（耗时：0.0301秒） [XML]
Selecting the last value of a column
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Actually I found a simpler solution here:
http://www.google.com/support/forum/p/Google+Docs/thread?tid=20f1741a2e663bca&hl=en
It looks like this:
=FILTER( A10:A100 , ROW(A10:A100) =MAX( FILTER( ArrayFormula(ROW(A10:A100)) , NOT(ISBLANK(A10:A100)))))
...
CSS3 gradient background set on body doesn't stretch but instead repeats?
...ut not a complete one. Here is what I do:
Create a gradient here: http://www.colorzilla.com/gradient-editor/
Set gradient on HTML instead of BODY.
Fix the background on HTML with "background-attachment: fixed;"
Turn off the top and bottom margins on BODY
(optional) I usually create a <DIV id='c...
How to move files from one git repo to another (not a clone), preserving history
...rl>
# eg. git clone --branch master --origin origin --progress \
# -v https://username@giturl/scm/projects/myprojects.git
# (assuming myprojects is the repository you want to copy from)
cd into it
cd <git repository A directory>
# eg. cd /c/Working/GIT/myprojects
Delete the link to th...
How does lock work exactly?
...n the way you lock. You can find a good list of optimizations here: http://www.thinkingparallel.com/2007/07/31/10-ways-to-reduce-lock-contention-in-threaded-programs/
Basically you should try to lock as little as possible, since it puts your waiting code to sleep. If you have some heavy calculation...
Date format Mapping to JSON Jackson
...predicted result. I have found real good tutorial and solution here http://www.baeldung.com/jackson-serialize-dates
There are examples for Date fields but I needed for Calendar fields so here is my implementation:
The serializer class:
public class CustomCalendarSerializer extends JsonSerializer&...
How can mixed data types (int, float, char, etc) be stored in an array?
...oblems when MacOS addressing advanced from 24 bits to 32 bits in System 7.
https://en.wikipedia.org/wiki/Tagged_pointer#Examples
On x86_64 you can still use the high bits as tags with care. Of course you don't need to use all those 16 bits and can leave out some bits for future proof
In prior versi...
How do I determine k when using k-means clustering?
...can check the veracity of this information on the following paper:
http://www.ijarcsms.com/docs/paper/volume1/issue6/V1I6-0015.pdf
There is also another method called G-means, where your distribution follows a Gaussian Distribution or Normal Distribution.
It consists of increasing k until all your...
Quickly create large file on a Windows system
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Check out RDFC http://www.bertel.de/software/rdfc/index-en.html
RDFC is probably not the fastest, but it does allocate data blocks. The absolutely fastest would have to use lower level API to just obtain cluster chains and put them into MFT with...
Can't pickle when using multiprocessing Pool.map()
...)
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
>>>
Get the code here:
https://github.com/uqfoundation/pathos
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window.location.reload with clear cache [duplicate]
...te to -1 like so:
<meta http-equiv="Expires" content="-1">
http://www.metatags.org/meta_http_equiv_cache_control
Also, IE should give you the latest content for the main page. If you are having issues with external documents, like CSS and JS, add a dummy param at the end of your URLs with ...