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How to retrieve checkboxes values in jQuery
...):
function updateTextArea() {
var allVals = [];
$('#c_b :checked').each(function() {
allVals.push($(this).val());
});
$('#t').val(allVals);
}
$(function() {
$('#c_b input').click(updateTextArea);
updateTextArea();
});
Update
Some number of months l...
Adding rounded corner and drop shadow to UICollectionViewCell
... layer.cornerRadius = radius
}
}
You can call it in collectionView(_:cellForItemAt:) of the datasource once you dequeue your cell.
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In Vim, is there a way to paste text in the search line?
...uts (e.g, a calculator, current filename, clipboard contents). Type :help c_<C-R> to see the full list.
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What is sharding and why is it important?
...ean customers vs. American customers) then it may be possible to infer the appropriate shard membership easily and automatically, and query only the relevant shard.
Some more information about sharding:
Firstly, each database server is identical, having the same table structure. Secondly, the ...
Why are regular expressions so controversial? [closed]
...(?&mailbox) | (?&group))
(?<mailbox> (?&name_addr) | (?&addr_spec))
(?<name_addr> (?&display_name)? (?&angle_addr))
(?<angle_addr> (?&CFWS)? < (?&addr_spec) > (?&CFWS)?)
(?<group> (?&am...
Relative frequencies / proportions with dplyr
...
Try this:
mtcars %>%
group_by(am, gear) %>%
summarise(n = n()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vigne...
Change Tomcat Server's timeout in Eclipse
...setting of Tomcat port, however I saw correct place for it on your screen ^_^. Thanks
– Fisk
Dec 26 '16 at 15:08
...
Http长连接200万尝试及调优 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 23.5GB / 24GB 1333MHz == 6 x 4GB, 12 x empty
Disk-Control: megaraid_sas0: Dell/LSILogic PERC 6/i, Package 6.2.0-0013, FW 1.22.02-0612,
Network: eth0 (bnx2):Broadcom NetXtreme II BCM5709 Gigabit Ethernet,1000Mb/s
OS: RHEL Server 5.4 (Tikanga), Linux 2.6.18-164.el5 x86...
invalid byte sequence for encoding “UTF8”
... the iconv utility to change encoding of the input data.
iconv -f original_charset -t utf-8 originalfile > newfile
You can change psql (the client) encoding following the instructions on Character Set Support. On that page, search for the phrase "To enable automatic character set conversion".
...
How to split a large text file into smaller files with equal number of lines?
...file (still splits on line breaks):
split -C 20m --numeric-suffixes input_filename output_prefix
creates files like output_prefix01 output_prefix02 output_prefix03 ... each of max size 20 megabytes.
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