大约有 600 项符合查询结果（耗时：0.0331秒） [XML]
Avoid trailing zeroes in printf()
...
I like the answer of R. slightly tweaked:
float f = 1234.56789;
printf("%d.%.0f", f, 1000*(f-(int)f));
'1000' determines the precision.
Power to the 0.5 rounding.
EDIT
Ok, this answer was edited a few times and I lost track what I was thinking a few years back (and origin...
Check a radio button with javascript
...dentifier) with native JS.
Native JS solution:
document.getElementById("_1234").checked = true;
JQuery solution:
$("#_1234").prop("checked", true);
share
|
improve this answer
|
...
Formatting Decimal places in R
...)
# [1] "1.20"
format(round(1, 2), nsmall = 2)
# [1] "1.00"
format(round(1.1234, 2), nsmall = 2)
# [1] "1.12"
A more general function is as follows where x is the number and k is the number of decimals to show. trimws removes any leading white space which can be useful if you have a vector of numb...
examining history of deleted file
...ld know the difference between:
svn cat http://server/svn/project/file -r 1234
and
svn cat http://server/svn/project/file@1234
The first version looks at the path that is now available as http://server/svn/project/file and retrieves that file as it was in revision 1234. (So this syntax does no...
Assign same value to multiple variables at once?
...ring, etc. by value and objects by reference by default.
That means
$c = 1234;
$a = $b = $c;
$c = 5678;
//$a and $b = 1234; $c = 5678;
$c = new Object();
$c->property = 1234;
$a = $b = $c;
$c->property = 5678;
// $a,b,c->property = 5678 because they are all referenced to same variable
...
Transactions in REST?
...ccount", "destination":"bob's account", "amount":10}
{"id":"/transfer/txn/12345", "state":"pending", "source":...}
Once you have this transaction, you can commit it, something like:
PUT /transfer/txn/12345
{"id":"/transfer/txn/12345", "state":"committed", ...}
{"id":"/transfer/txn/12345", "stat...
How to convert String to long in Java?
...:
1)
long l = Long.parseLong("200");
2)
String numberAsString = "1234";
long number = Long.valueOf(numberAsString).longValue();
3)
String numberAsString = "1234";
Long longObject = new Long(numberAsString);
long number = longObject.longValue();
We can shorten to:
String numberA...
Heroku Postgres - terminate hung query (idle in transaction)
...is likely to be the query you'd like to terminate. I'll assume the pid is 1234 below.
You may cancel a query through SQL (i.e. without shell access) as long as it's yours or you have super user access:
select pg_cancel_backend(1234);
That's a "friendly" request to cancel the 1234-query, and wit...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...q.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zouxy09@qq.com
http://blog.csdn.net/zouxy09
作者：Zouxy
version 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/877552...
Deep Learning（深度学习）学习笔记整理系列之（四） - 大数据 & AI - 清泛...
...q.comhttp: blog.csdn.net zouxy09作者：Zouxyversion 1.0 2013-04-08原文网址：h...Deep Learning（深度学习）学习笔记整理系列
zouxy09@qq.com
http://blog.csdn.net/zouxy09
作者：Zouxy
version 1.0 2013-04-08
原文网址：http://blog.csdn.net/zouxy09/article/details/877552...