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Replace a newline in TSQL
...client code you should add a column name. Though it is true that a lot of times you can get away with using .columns[0] instead.
– RBarryYoung
May 27 '16 at 12:28
2
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List the queries running on SQL Server
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This is not always helpful. Sometimes queries seem to spawn child spid's, especially when OPENQUERY or linked servers are being used. It can be hard to tell what is the parent query just from sp_who.
– Nathan
Dec 22 '1...
How to find Unused Amazon EC2 Security groups
...N=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
/*!40103 SET TIME_ZONE='+00:00' */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 S...
Strip Leading and Trailing Spaces From Java String
...ckward-compatible replacement for Java 11's String.strip(). I haven't had time to explore the subtle differences.
– Josiah Yoder
May 14 at 12:53
add a comment
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Java8 Lambdas vs Anonymous classes
...ies, so further methods can be called on it, its state can be mutated over time, etc. None of these apply to lambdas.
I'd guess that the majority of uses of AICs were to provide stateless implementations of single functions and so can be replaced with lambda expressions, but there are other uses of ...
What is the shortest function for reading a cookie by name in JavaScript?
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This will only ever hit document.cookie ONE time. Every subsequent request will be instant.
(function(){
var cookies;
function readCookie(name,c,C,i){
if(cookies){ return cookies[name]; }
c = document.cookie.split('; ');
cookies = {}...
Verify a certificate chain using openssl verify
...rver -key "$KEY" -cert "$CRT" "$@" -www &
PID=$!
sleep .5 # give it time to startup
}
check()
{
while read -r line
do
case "$line" in
'Verify return code: 0 (ok)') return 0;;
'Verify return code: '*) return 1;;
# *) echo "::: $line :::";;
esac
done < <(echo | op...
JavaScript: Get image dimensions
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additional info - although this worked for me first time it was intermittent. I think the problem is because the image has not been downloaded. I fixed by running the code which uses the dimension in the onload event handler like so: img.onload = function () {};
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Convert xlsx to csv in Linux with command line
...ats, but I could not make it work (it would simply open a blank file every time, even with the --headless argument).
– sleblanc
Aug 15 '13 at 17:24
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What are enums and why are they useful?
... you use enums instead of integers (or String codes), you increase compile-time checking and avoid errors from passing in invalid constants, and you document which values are legal to use.
BTW, overuse of enums might mean that your methods do too much (it's often better to have several separate met...