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How to request a random row in SQL?
...seems to be markedly slower on SQL Server. My query looks like: select top 1000 C.CustomerId, CL.LoginName from Customer C inner join LinkedAccount LA on C.CustomerId=LA.CustomerId inner join CustomerLogin CL on C.CustomerId=CL.CustomerId group by C.CustomerId, CL.LoginName having count(*)>1 ord...
Maximum and Minimum values for ints
...ded. It can, for instance, calculate a googol with ease:
>>> 10**100
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000L
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How to create dictionary and add key–value pairs dynamically?
...prototypal method
function Foo() {
this.myRandomNumber = Math.random() * 1000 | 0;
}
Foo.prototype.toString = function () {
return "Foo instance #" + this.myRandomNumber;
};
dict[new Foo] = "some value";
console.log(dict);
// => {
// "Foo instance #712": "some value"
// }
(Note t...
How do I get the size of a java.sql.ResultSet?
...0 "Go ahead and jump"
false 3 "EVH" 456 "Might as well jump"
...
[1000 total rows]
Simply refactor your code to something like this:
Statement s=myConnection.createStatement(ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_READ_ONLY);
String from_whe...
Error TF30063: You are not authorized to access … \DefaultCollection
...n an office where everything was turned off and unplugged overnight due to 100+ mph gales. I'm assuming that once the TFS server restarted it needed anyone to re-authenticate...
– Fetchez la vache
Feb 13 '14 at 9:39
...
How to create streams from string in Node.Js?
...the scheduler has had time to do other things
a.pipe(process.stdout)
},100)*/
a.on('end', function() {
console.log('ended') // the end event will be called properly
})
Note that the 'close' event is not emitted (which is not required by the stream interfaces).
...
Save Screen (program) output to a file
...al device
You can then use tail to see that the file is updating.
tail -100 out.txt
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CSS Div stretch 100% page height
...vigation bar on the left hand side of my page, and I want it to stretch to 100% of the page height. Not just the height of the viewport, but including the areas hidden until you scroll. I don't want to use javascript to accomplish this.
...
How can I remove specific rules from iptables?
... do:
iptables-save | grep -v "${comment}" | iptables-restore
So, you'll 100% delete all rules that match the $comment and leave other lines untouched. This solution works for last 2 months with about 100 changes of rules per day - no issues.Hope, it helps
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I forgot the password I entered during postgres installation
...
100
When connecting to postgres from command line, don't forget to add -h localhost as command lin...