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Data structure: insert, remove, contains, get random element, all at O(1)
... I don't know of any hashtables that let you get an element like that, and if there are any, I can't imagine that this would be a constant time operation. I would be interested to be proven wrong on either count.
– guildner
Apr 16 '11 at 6:10
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Replace Line Breaks in a String C#
...lacement text"); //add a line terminating ;
As mentioned in other posts, if the string comes from another environment (OS) then you'd need to replace that particular environments implementation of new line control characters.
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How to change the style of alert box?
... functionality.
var ALERT_TITLE = "Oops!";
var ALERT_BUTTON_TEXT = "Ok";
if(document.getElementById) {
window.alert = function(txt) {
createCustomAlert(txt);
}
}
function createCustomAlert(txt) {
d = document;
if(d.getElementById("modalContainer")) return;
mObj = d.g...
Kill a postgresql session/connection
...onnections:
REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8.4-9.1 use procpid instead of pid
SELECT
pg_terminate_backend(procpid)
FROM
pg_stat_activity
WHERE
-- don't kill my own connection!
procpid <> pg_backend_pid()
-- don...
How to insert newline in string literal?
... of course but I meant avoiding using Environment.NewLine, my question was if there is '/newline' literal.
– Captain Comic
Nov 3 '10 at 9:46
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
What is the difference between getContext() , getApplicationContext() , getBaseContext() , and " this "?
8 Answers
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Execute command on all files in a directory
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If no files exist in /dir/, then the loop still runs once with a value of '*' for $file, which may be undesirable. To avoid this, enable nullglob for the duration of the loop. Add this line before the loop shopt -s nullglob ...
Maven artifact and groupId naming
..., I want to use well-established conventions for finding groupId and artifactId , but I can't find any detailed conventions (there are some, but they don't cover the points I'm wondering about).
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How to install multiple python packages at once using pip
...oing it but i didn't find it neither here nor on google.
So i was curious if there is a way to install multiple packages using pip.
Something like:
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“continue” in cursor.forEach()
...tions in the beginning of each forEach iteration and then skip the element if I don't have to do the operation on it so I can save some time.
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